i1109discuz

SpatialDigitalDatabasefortheTectonicMapofSoutheastArizonaMapbyHaraldDrewes1DigitaldatabasebyRobertA.
Fields2,DouglasM.
Hirschberg3,andKarenS.
Bolm2MiscellaneousInvestigationsSeriesMapI-1109Digitaldatabase,version2.
02002(Maporiginallypublishedin1980)DatabaseapprovedforpublicationApril19,2002Anyuseoftrade,product,orfirmnamesisfordescriptivepurposesonlyanddoesnotimplyendorsementbytheU.
S.
Government.
U.
S.
DEPARTMENTOFTHEINTERIORU.
S.
GEOLOGICALSURVEY1U.
S.
GeologicalSurvey2U.
S.
GeologicalSurvey,520N.
ParkAve.
,Tucson,Arizona857193UniversityofArizona,520N.
ParkAve.
,Tucson,Arizona857192TableofContentsINTRODUCTION.
3DESCRIPTIONOFMAPUNITS.
4DATASOURCES,PROCESSING,ANDACCURACY.
11GISDOCUMENTATION14LINEARFEATURES.
14AREALFEATURES.
17POINTFEATURES.
19SOURCEATTRIBUTES.
22OBTAININGDIGITALDATA.
22OBTAININGPAPERMAPS23REFERENCESCITED.
23APPENDIXA-LISTOFDIGITALFILESINTHESOUTHEASTARIZONAGIS24APPENDIXB-TRANSFORMATIONFILELISTINGFORTHEEASTANDWESTMAPS25APPENDIXC-METADATAFILE(I1109MET.
TXT)FORTHESOUTHEASTARIZONAGIS31ListofFiguresFigure1.
Indexmapshowingthegeographicextentofthemappedarea(shadedfill)withrespecttocountiesinArizona4Figure2.
ExplanationofthesimplifiedtectonicmapofsoutheastArizona.
12Figure3.
SimplifiedtectonicmapofsoutheastArizona.
13Figure4.
Relationshipbetweenfeatureattributeandrelatedlook-uptables.
153IntroductionAspatialdatabasewascreatedforDrewes'(1980)tectonicmapofsoutheastArizona:thisdatabasesupercedesDrewesandothers(2001,ver.
1.
0).
StaffandacontractorattheU.
S.
GeologicalSurveyinTucson,Arizonacompletedaninterimdigitalgeologicmapdatabasefortheeastpartofthemapin2001,maderevisionstothepreviouslyreleaseddigitaldataforthewestpartofthemap(Drewesandothers,2001,ver.
1.
0),mergeddatafilesfortheeastandwestparts,andaddedadditionaldatanotpreviouslycaptured.
Digitalbasemapdatafiles(suchastopography,roads,towns,riversandlakes)arenotincluded:theymaybeobtainedfromavarietyofcommercialandgovernmentsources.
ThisdigitalgeospatialdatabaseisoneofmanybeingcreatedbytheU.
S.
GeologicalSurveyasanongoingefforttoprovidegeologicinformationinageographicinformationsystem(GIS)foruseinspatialanalysis.
Theresultingdigitalgeologicmapdatabasecanbequeriedinmanywaystoproduceavarietyofgeologicmapsandderivativeproducts.
BecauseDrewes'(1980)mapsheetsincludeadditionaltextandgraphicsthatwerenotincludedinthisreport,scannedimagesofhismaps(i1109_e.
jpg,i1109_w.
jpg)areincludedasacourtesytothereader.
Thisdatabaseshouldnotbeusedordisplayedatanyscalelargerthan1:125,000(forexample,1:100,000or1:24,000).
Thedigitalgeologicmapplotfiles(i1109_e.
pdfandi1109_w.
pdf)thatareprovidedhereinarerepresentationsofthedatabase(seeAppendixA).
ThemapareaislocatedinsoutheasternArizona(fig.
1).
Thisreportdescribesthemapunits(fromDrewes,1980),themethodsusedtoconvertthegeologicmapdataintoadigitalformat,theArcInfoGISfilestructuresandrelationships,andexplainshowtodownloadthedigitalfilesfromtheU.
S.
GeologicalSurveypublicaccessWorldWideWebsiteontheInternet.
ThemanuscriptanddigitaldatareviewbyHelenKayser(InformationSystemsSupport,Inc.
)isgreatlyappreciated.
4Figure1.
Indexmapshowingthegeographicextentofthemappedarea(shadedfill)withrespecttocountiesinArizona5DescriptionofMapUnitsDrewes'(1980)descriptionsofmapunitsareincludedbelow.
Radiometricdatespresentedhereincoverprimaryrockages.
SURFICIALDEPOSITSQgGravel,sand,andsilt(HoloceneandPleistocene)—Alluviumpediments;includessomecolluviumandsoils.
Depositsmostlylight-gray,unindurated,andofpoorlyroundedandlocally-derivedclasts,exceptalonglargervalley-centerrivers.
Mostlyseveralmetersthickbutasmuchasahundredmetersthick.
QdSandandsilt(Holocene)—Eoliandeposits,mainlyofdunesbutincludingbeachridgesreworkedintodunes.
Unitisprobablyasmuchasseveralmetersthickinmostplaces.
QpGravel,sand,silt,andclay(Pleistocene)—Pluviallakedeposits,includingbeachgravelinlowridges.
Depositswellsortedandmostlyunconsolidated;gravelwellrounded.
Thicknessunknown.
QTgGravel,sand,andsilt(PleistoceneandPliocene)—Mainlyalluviumofbasins;includessomecolluviumandlandslidedeposits.
Generallylight-pinkishgray,weaklyindurated,andwithpoorlyroundedclasts;locallywellindurated.
Thicknessseveralmeterstohundredsofmeters.
QTguGravel,sand,andsilt(HolocenetoMiocene)—Alluviumoffloodplains,terraces,pediments,andbasins,undifferentiated.
Commonlyafewtensofmeterstohundredsofmetersthick.
QTbBasalt(PleistocenetoPliocene)—Lavaflows,pyroclasticrocks,andsomeintercalatedgravel.
Thicknessseveralmeterstoafewhundredmetersinmostplaces.
Radiometricallydatedat0.
25,1.
0,and3.
2m.
y.
oldTucUpperconglomerate,gravel,andsand(PlioceneandMiocene)—Alluvium;mainlydepositsrichinvolcanicfragmentsderivedfromunderlyingornearbyrhyoliterocks.
Thicknessseveraltensofmeterstohundredsofmeters.
IGNEOUSANDSEDIMENTARYROCKSTbBasalt(Miocene)—Lavaflows,pyroclasticrocks,andsomedikesandintercalatedgravel,ofandesiticbasalt.
Mostlyabout1metertoseveralmetersthick.
Includesayoungergroupradiometricallydatedat13and14m.
y.
old,andanoldergroupdatedat20,23,24,25,and25m.
y.
TcConglomerate(MiocenetoEocene)—Mostlyreddish-graypoorlyinduratedtomoderatelyinduratedrockwithsubroundedclasts;locallyincludessome6landslidedeposits,andsomebodiesoftuffandcoarselyporphyriticandesitetoosmalltobemappedseparately.
Commonlyseveraltenstohundredsofmetersthick.
TvaExtrusiveandesiteanddacite(MioceneandupperOligocene)—Lavaflows,pyroclasticrocks,someintercalatedepiclasticrocks,anddikes.
Mostlygray,fine-grained,porphyriticrocks;includessomeverycoarsefeldsparporphyryandesite(Turkeytrackporphyry,aninformaltermofCooper,1961).
Thicknessmostlyseveralmeterstoseveraltensofmeters.
Datedat24,25,27,33,and39m.
y.
TvExtrusiverhyoliteandrhyodacite(MioceneandupperOligocene)—Lavaflows,weldedtuff,pyroclasticrocks,andsomeintercalatedepiclasticrocks.
Light-graytograyish-pink,vitrictofine-grained,porphyritic.
Commonlyafewtenstoafewthousandsofmetersthick.
Datedat23,24,25,26,26,26,26,and27m.
y.
Anadditionaldateof47m.
y.
,ifsubstantiated,mayindicatethepresenceofEocenerocksinthelowermemberoftheSOVolcanicsofCochiseCo.
TugGranitoidrocks(MioceneandupperOligocene)—Granite(),quartzmonzonite,andgranodioriteinstocksandsmallintrusivebodies.
Datedat22(),26,28,29,30,31,31,and33m.
y.
TiIntrusiverhyoliteandrhyodacite(upperOligocene)—Plugs,laccoliths,anddikes;probablygeneticallyrelatedtovolcanicrocksnearby.
Mostlygraytopink,vitrictofine-grained,porphyritic,massivetoflow-laminated.
Datedat24,25,26,26,26,27,and29m.
y.
TaAndesite(OligoceneandEocene)—Lavaflows,pyroclasticrocks,andepiclasticrocks.
Mainlygreenish-graypropylitizedpyroxene-oramphibole-bearingfeldsparporphyries.
TlcLowerconglomerate,gravel,andsand(OligoceneandEocene)—Alluvium;commonlygrayish-reddepositsofsmall,wellrounded,nonvolcanicclasts.
Mostlyseveralmeterstoafewtensofmetersthick.
CORDILLERAN(LARAMIDE)IGNEOUSANDSEDIMENTARYROCKSTgGranitoidrocks(upperPaleocene)—Mostlyquartzmonzoniteandgranodioritestocksandsomequartzdioritestocks.
Includessomeaphaniticporphyries.
Datedat47(),51,51,52,54,54,60,and60m.
y.
TlpQuartzlatiteporphyry(upperPaleocene)—Plugs,brecciapipes,anddikes.
Inmanyplacesassociatedwithmineralization.
Datedat56,56,and56m.
y.
TlvLowervolcanicrocks(lowerPaleocene)—Rhyolitetoandesitelavaflows,pyroclasticrocks,andsomeintercalatedepiclasticrocks.
Datedat57m.
y.
Possiblyyoungeragetoeast.
7TlgLowergranitoidrocks(lowerPaleocene)—Granodioriteandquartzmonzonitestocks.
Locallyassociatedwithmineralization.
Datedat58,58,59,59,60,62,and64m.
y.
TKpPorphyriticandapliticintrusiverocks(PaleoceneandUpperCretaceous)—Mostlylatiticporphyrytodaciticporphyryinsmallstocksandplugsandapliticbodiesnotassociatedwithothergranitoidstocks.
Datedat61,63,63,64,and65m.
y.
KdDioriteandquartzdiorite(UpperCretaceous)—Stocksofdark-grayfine-tomedium-grainedrocks.
Locallyassociatedwithmineralization.
Datedat67and67m.
y.
KqQuartzmonzonite(UpperCretaceous)—Stocksofpinkish-graymedium-grainedrock.
Datedat68,69,and70m.
y.
KgGranodiorite(UpperCretaceous)—Stocksofgray,medium-grained,locallyporphyriticrock.
Datedat68m.
y.
KusUppersedimentaryrocks(UpperCretaceous)—Mainlyconglomerateandsandstone;includessometuffaceousrocks.
Thicknessasmuchasseveralhundredsofmeters.
KrRhyodacitetuffandweldedtuff(UpperCretaceous)—IncludespartsofSaleroFormation,SugarloafQuartzLatite,andBroncoVolcanics,andallofRedBoyRhyolite,CatMountainRhyoliteofBrown(1939)andUncleSamPorphyry.
Includeslocalintrusivebodiesandlocallycontainsfragmentsofexoticrocks.
Thicknesscommonlyseveraltensofmeterstoseveralhundredsofmeters.
Datedat66(),70,72,72,73,and73m.
y.
KaAndesitictodaciticvolcanicbreccia(UpperCretaceous)—IncludespartsofSaleroFormation,SugarloafQuartzLatite,andBroncoVolcanics,andallofDemetrieVolcanicsandSilverbellFormationofCourtright(1958).
Commonlycontainslargeblocksofexoticrocksandlocallyincludessomesedimentaryrocksandintrusiverocks.
Severaltensofmeterstoseveralhundredsofmetersthickinmostplaces.
KuvsVolcanicandsedimentaryrocks,undifferentiated(UpperCretaceous)—Mainlyandesitictorhyoliticpyroclasticrocks,andepiclasticrocks.
Commonlyseveraltensofmeterstoseveralhundredsofmetersthick.
KlqLowerquartzmonzoniteandgranodiorite(UpperCretaceous)—includessomequartzdiorite;appearsinsmallstocks.
Locallyassociatedwithmineralization.
Datedat70,71,72,73,74,74,74,and76m.
y.
KsSedimentaryrocks(UpperCretaceous)—IncludesFortCrittendenFormationandformationnearJavelinaCanyonofEpis(1956).
Mainlyconglomerate,sandstone,8andsiltstone;includessomeredbeds,fossiliferousblackshale,andtuffaceousrocks.
Thicknessseveraltenstoseveralhundredsofmeters.
KiRhyodaciteporphyry(UpperandLowerCretaceous)—Mainlystocks,sills,andsomedikesbutpossiblyincludessometuffs.
Someoftherocksmaybeasyoungasrhyodacitetuffandweldedtuff.
IGNEOUSANDSEDIMENTARYROCKSKbBisbeeFormationorGroup,undifferentiated(LowerCretaceous)KbuUpperpartofBisbeeFormationorGroup,undifferentiated,andrelatedrocks—includesupperpartofBisbeeFormation,MuralLimestone,Morita,Cintura,WillowCanyon,ApacheCanyon,ShellenbergerCanyonandTurneyRanchFormations(notlistedinstratigraphicsequence)oftheBisbeeGroup,ArmoleArkoseofBryantandKinnison(1954),andAngelicArkose.
Consistsofbrownish-toreddish-grayarkose,siltstone,sandstone,conglomerate,andsomefossiliferousgraylimestone.
Commonlyseveralhundredmetersthick.
KbgGlanceConglomerateofBisbeeGroup,orGlanceConglomerateMemberofBisbeeFormation—Typicallylimestone-pebble-andcobbleconglomerate;locallygraniteorschistconglomerate.
Mostlylessthan10metersthick;locallyseveralhundredsofmetersthick.
KlvsLowervolcanicandsedimentaryrocks(LowerCretaceous)—Andesitictorhyoliticvolcanicrocks,conglomerate,andsandstone.
Asmuchasseveralhundredsofmetersthick.
JgGraniteandquartzmonzonite(Jurassic)—Stocksofpinkish-graycoarse-grainedrock.
Locallyassociatedwithmineralization.
Datedat140,148,148,149,149,150,153,160,161,167,178,and185m.
y.
J^iIntrusiverocks(JurassicandTriassic)—Rhyoliticporphyryplutons,dikes,andsills.
J^vsVolcanicandsedimentaryrocks(JurassicandTriassic)—Rhyolitictuff,weldedtuff,lava,sandstone,andconglomerate.
Asmuchasseveralhundredsofmetersthick.
Datedat143and173m.
y.
^mMonzoniticrocks(Triassic)—Stocksofdark-grayverycoarse-grainedmonzoniteandquartzmonzonite.
Datedat184,190,and210m.
y.
^sSedimentaryrocks(Triassic)—Redmudstone,sandstone,andconglomerate,andintercalatedrhyodacitevolcanicrocks.
Asmuchasseveralhundredsofmetersthick.
Datedat192m.
y.
9^vsVolcanicandsedimentaryrocks(Triassic)—Rhyolitictoandesiticlavaandpyroclasticrocksandintercalatedsandstone,quartzite,andsomeconglomerate.
Asmuchas3000metersthick.
Datedat220m.
y.
|sSedimentaryrocks(Paleozoic)—RainvalleyFormation(LowerPermian)toBolsaQuartzite(MiddleCambrian),undifferentiated.
P*nNacoGroup(LowerPermianandPennsylvanian)—RainvalleyFormation,ConchaLimestone,ScherrerFormation,EpitaphDolomite,ColinaLimestone,EarpFormation,andHorquillaLimestone,undifferentiated.
PsSedimentaryrocks(LowerPermian)—ConsistsofRainvalleyFormation,ConchaLimestone,andScherrerFormation,undifferentiated.
RainvalleyFormationisasparselyfossiliferouslimestone,dolomite,andsomesandstone,90-120metersthick.
ConchaLimestoneisdark-gray,cherty,fossiliferouslimestone,120-180metersthick.
ScherrerFormationisalight-pinkish-grayfine-grainedquartzitewithsomebasalreddish-graysiltstoneandamedialgraydolomiteunit240-310metersthick.
P*sSedimentaryrocks(LowerPermianandUpperPennsylvanian)—ConsistsofEpitaphDolomite(LowerPermian),ColinaLimestone(LowerPermian),andEarpFormation(LowerPermianandUpperPennsylvanian),undifferentiated.
EpitaphDolomiteisadark-tolight-grayslightlychertydolomite,limestone,marl,siltstone,andgypsum,120-280metersthick.
ColinaLimestoneisamedium-gray,thick-bedded,sparselycherty,andsparselyfossiliferouslimestone120-280metersthick.
EarpFormationisapale-redsiltstone,mudstone,shale,andlimestone,120-240metersthick.
*hHorquillaLimestone(UpperandMiddlePennsylvanian)—Light-pinkish-gray,thick-tothin-bedded,cherty,fossiliferouslimestoneandintercalatedpalebrowntopalereddish-graysiltstonethatincreasesinabundanceupward.
Typically300-490metersthick.
MDsSedimentaryrocks(MississippianandDevonian)—ConsistsmainlyofEscabrosaLimestone(Mississippian)—locally(ArmstrongandSilberman,1974)calledEscabrosaGroup—andMartinFormation(UpperDevonian),undifferentiated.
InpartoftheChiricahuaMountainsalsoincludesParadiseFormation(UpperMississippian)andPortalFormationofSabins,1957a(UpperDevonian).
IntheLittleDragoonMountainsandsomeadjacenthillsalsoincludesBlackPrinceLimestone,whosefaunaandcorrelationshowstrongestaffinitieswithMississippianrocksbutwhichmayincludesomePennsylvanianrocks.
EscabrosaLimestoneisamedium-gray,massivetothick-bedded,commonlycrinoidal,cherty,fossiliferouslimestone90-310metersthick.
MartinFormationisthick-tothin-bedded,graytobrowndolomite,graysparselyfossiliferouslimestone,andsomesiltstoneandsandstone,90-120metersthick.
ParadiseFormationisabrown,fossiliferous,shalylimestone.
PortalFormationisablackshaleand10limestone60-105metersthick.
BlackPrinceLimestoneisapinkish-graylimestonewithabasalshaleandchertconglomerate,asmuchas52metersthick.
O_sElPasoLimestone(LowerOrdovicianandUpperCambrian),AbrigoFormation(UpperandMiddleCambrian),andBolsaQuartz(MiddleCambrian),undifferentiated—ElPasoLimestoneisagray,thin-beddedchertylimestoneanddolomite90meterstoabout220metersthick.
AbrigoFormationisabrown,thin-beddedfossiliferouslimestone,sandstone,quartzite,andshale,210-240metersthick.
BolsaQuartziteisabrowntowhiteorpurplish-gray,thick-bedded,coarse-grainedquartziteandsandstonewithabasalconglomerate,90-180metersthick.
Totheeast,equivalentsofpartoftheAbrigoFormationandBolsaQuartziteareknownastheCoronadoSandstone.
_sSedimentaryrocks(UpperandMiddleCambrian)—AbrigoFormation(UpperandMiddleCambrian),andBolsaQuartzite(MiddleCambrian),undifferentiated.
YdDiabase(PrecambrianY)—Includesmetadiabase,insills,dikes,andpossiblyasmallpluton.
YaApacheGroup(PrecambrianY)—MainlyDrippingSpringFormationandPioneerFormation.
DrippingSpringFormationisapaletodark-brownarkosicsandstoneandquartzite,asmuchas90metersthick.
BarnesConglomerateMemberlocallyatbaseofDrippingSpringisaround-pebbleconglomeratewithclastsofquartziteandjasper,asmuchas5metersthick.
PioneerFormationisagrayish-redtopurplish-graysiltstoneandmudstone,asmuchas90metersthick.
ScanlanConglomerateMemberlocallyatbaseofPioneerisasubangular-pebbleconglomeratewithclastsofgranitoidrocksandveinquartz.
Memberisasmuchas10metersthick.
YgMainlygranodioriteandquartzmonzonite(PrecambrianY)—Unfoliatedtofoliated,inpartmetamorphosed.
Generallyinstocks,whichhavebeenlittlestudied.
YwWrongMountainQuartzMonzonite(PrecambrianY)—A2-micagneissicrockthermallymetamorphosedduringtheOligoceneandpossiblyrelatedtoaPaleocenemagmaticevent,butwithrelictsofPrecambrian()agerecordedlocally.
YrRinconValleyGranodiorite(PrecambrianY)—Typicallyunfoliatedbiotitegranodioriteandlocallyhornblende-biotitegranodiorite.
Datedat1450,1540,and1560m.
y.
YcContinentalGranodiorite(PrecambrianY)—Verycoarselyporphyriticgranodiorite,metagranodiorite,andgneissicgranodiorite,possiblyofbatholithic-sizedbodies.
Datedas1360and1450m.
y.
,andpossiblyslightlyolder.
YtTungstenKingGranite(PrecambrianY)—Coarse-grainedporphyriticbiotitegranite.
11XjJohnnyLyonGranodiorite(PrecambrianY)—Commonlyanaltered,massive,hornblende-biotitegranodiorite;locallyabiotitegranodioriteandlocallymetamorphosed.
Datedat1630m.
y.
XpPinalSchist(PrecambrianX)—Chloriteschist,phyllite,andsomemetavolcanicrocks,metaquartzite,metaquartziteconglomerate,andgneiss.
Onemetavolcanicrockdatedat1715m.
y.
XiRhyoliteporphyry(PrecambrianX)—Stocksandintrusivesheets;mainlyolderthanregionalmetamorphismbutsomesheetsyoungerthanmetamorphism.
DataSources,Processing,andAccuracyOptronicsSpecialtyCo.
,Inc.
(Northridge,CA)scannedcontactsandfaultsfromthepublishedpapermapsbyDrewes(1980)undercontracttotheU.
S.
GeologicalSurveyin2000and2001.
Becauseneitheroriginalmylarsnorunfoldedmapswereavailable,foldedmapswerepressedwithadryironpriortobeingscanned.
ContractorsattheSpokaneFieldOfficedevelopedaregistrationticfilefromtheoriginalmapsheets(Drewes,1980)andtransformedthedata(AppendixB).
Thespatialdigitaldatabaseinversion2.
0containsrevisionstotheversion1.
0database,newGISfortheeasthalfoftheDrewes(1980)tectonicmapsandadditionaldatasuchasstructuralattitudeofbedding,foliation,lineationandfaultplanes,rocksamplecollectionsites,markerbedsandgeomorphicfeaturedata.
U.
S.
GeologicalSurveystaffandcontractorseditedthespatialandattributedata,standardizedthedatabase,andcomparedplotsofthedatabasewiththeoriginalpublishedmapstoidentifyandcorrectdigitizingandattributionerrors.
Inafewinstances,mapunitswithaverysmallarealextenthadtobeinterpretedsincetheycouldnotbeconclusivelyidentifiedontheoriginalmap.
Duetothecartographicnatureoflinedecorationsontheoriginalmap,segmentsofparticularfaultshadtobeinterpretedastowhereagivenfaulttypestartedandended.
FaultlinesontheDrewes(1980)mapthatweredecoratedwithaballandbarandnodiparrowwereattributedasfaultswithnormalmovement.
Afewbeddingsymbolsdidnothaveadipvalueandwereexcludedfromthedatabase.
FinalprocessingattheUSGeologicalSurveywasdoneinArcInfo(version7.
2.
1)installedonSunUltraandMicrosoftNTworkstations.
Theoverallaccuracy(withrespecttothelocationoflines,pointsandpolygons)ofthedigitalgeologicmapisprobablynobetterthan±187meters.
Thisdatabaseshouldnotbeusedordisplayedatanyscalelargerthan1:125,000(forexample,1:100,000or1:24,000).
Figure2isasimplifiedpagesizeexplanationofthemapunitsandfigure3isapagesizeplotofasimplifiedportionofthisdatabase.
12Figure2.
ExplanationofthesimplifiedtectonicmapofsoutheastArizona13Figure3.
SimplifiedtectonicmapofsoutheastArizona14GISDocumentationTheprimarydatabaseforthedigitaltectonicmapofsoutheastArizonaincludesalinearfeatureattributetable,i1109.
aat,thatrelatestothei1109.
con,i1109.
st2,i1109.
lguandi1109.
reffilesandarockunit(arealfeatures)polygonattributetable,i1109.
pat,thatrelatestothei1109.
ruandi1109.
reffiles.
Pointfeaturesrepresentingstructuralattitudesoffaultplanes,bedding,foliationandlineationarelocatedinthepointattributetable,i1109sdp.
pat,whichrelatestothei1109sdp.
reffile.
Geomorphicfeaturessuchaspaleoplayas,exoticbrecciazonesandmaarcratersarestoredinthepolygonattributetable,i1109gm.
pat,whichrelatestothei1109gm.
reffile.
Pointsrepresentingcinderconesarelocatedinthepointattributetable,i1109cin.
pat,whichrelatestothei1109cin.
reffile.
Pointsrepresentingrocksamplesitesarecontainedinthepointattributetable,i1109sam.
pat,whichrelatestothei1109sam.
reffile.
Thesedatafilesaredescribedbelow.
Therelationshipsbetweenthefeatureattributefilesandrelatedlook-uptablesareshowninFigure4.
LinearFeaturesGeologydatasetDescriptionsoftheitemsidentifyinglinearfeaturessuchascontacts,boundaries(linesoflatitudeandlongitude,stateboundaries)andstructuresinthegeologyarc(orline)attributetable,i1109.
aat,areasfollows:i1109.
aatITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONlinecodeinteger3Numericcodeusedtoidentifytypeoflinearfeature.
Linecodes100and800representgeologicunitssuchasdikes,sillsandmarkerbeds.
namecharacter30Namegiventostructuralfeature.
sourceinteger4Numericcodeusedtoidentifythedatasourceforthelinearfeature.
Completereferencesforthesourcesarelistedinthei1109.
reffile.
15Arcattributetableandrelatedlook-uptables:Polygonattributetablesandrelatedlook-uptables:Pointattributetablesandrelatedlook-uptables:Figure4.
Relationshipbetweenfeatureattributeandrelatedlook-uptablesi1109.
aatlinecodenamesourcei1109cin.
refsourcescaleauthorsyearreferencei1109.
conlinecodesymboltypemodifiercertaintydesci1109sam.
pattypeage1age1_certage2age3age4age5site_numsymbolsourcei1109.
st2linecodesymboltypehorizontalverticalfoldplungeaccuracycertaintydesci1109sam.
refsourcescaleauthorsyearreferencei1109.
lgulinecodelabelsymboltypeaccuracycertaintydesci1109sdp.
patpttypesymbolstrikedipai_angsym$angsourcei1109.
refsourcescaleauthorsyearreferencei1109.
patunitsourcelabel-alphadesci1109.
ruunitlabelsymbollabel-alphalabel-gafnamesslithdescminagemaxagei1109.
refsourcescaleauthorsyearreferencei1109gm.
patsymboldescsourcei1109gm.
refsourcescaleauthorsyearreferencei1109sdp.
refsourcescaleauthorsyearreferencei1109cin.
patpttypesymbolsource16Attributedescriptionsforitemsinthecontact(andboundary)look-table,i1109.
con,areasfollows:i1109.
conITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONlinecodeinteger3Numericcode(avalue100and800)usedtoidentifytypeoflineargeologicunit.
(Thisitemalsooccursini1109.
aat).
labelcharacter10Maplabelusedinthemappropertoidentifymapunit.
symbolinteger3LinesymbolnumberusedbyArcInfotoplotlineargeologicunit.
(Symbolnumbersrefertothegeol_dia.
linlineset).
typecharacter10Majortypeoflineargeologicunit,forexample,dike,vein,markerbedorother.
accuracycharacter15Linetypemodifierindicatingdegreeofaccuracy,forexample,approximate,concealed,gradational.
Noentryimplies'known'.
certaintycharacter15Degreeoflinetypecertainty,forexample,inferred,uncertain.
Noentryimplies'certain'.
desccharacter100Writtendescriptionorexplanationoflineargeologicunits.
ArealFeaturesGeologydatasetDescriptionsoftheitemsidentifyinggeologicunitsinthepolygonattributetable,i1109.
pat,areasfollows:i1109.
patITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONunitinteger4Numericcodeusedtoidentifytherockunitdescribedinthei1109.
rulook-uptable.
(Thisitemalsooccursini1109.
ru.
)sourceinteger4Numericcodeusedtoidentifythedatasourcefortherockunit.
Completereferencesforthesourcesarelistedinthei1109.
reffile.
label-alphacharacter10Rockunitlabel(abbreviation)usedtolabelunitonmapwithstandardalphabeticcharacters.
(Thisitemwasjoinedfromthei1109.
rulook-uptable.
)desccharacter250Formalorinformalunitname.
(Thisitemwasjoinedfromthei1109.
rulook-uptable.
)18Attributedescriptionsforitemsinthelithology(rockunit)look-uptable,i1109.
ru,areasfollows:i1109.
ruITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONunitinteger4Numericcodeusedtoidentifyrockunit(thisitemalsooccursini1109.
pat).
labelcharacter10Rockunitlabel(abbreviation)usedtolabelunitonthemap.
Thisitemwascalculatedequalto'label-gaf'.
symbolinteger3ShadesetsymbolnumberusedbyArcInfotoplotafilled/shadedpolygon.
Thesymbolnumbersusedinthisfilerefertothecalcomp1.
shdshadeset.
label-alphacharacter10Rockunitlabel(abbreviation)forusewithstandardalphabeticcharacters(forexample,TRforTriassic).
label-gafcharacter10Rockunitlabel(abbreviation)thatusestheGeoageFullAlphafont,version1.
1(forexample,^forTriassic.
namecharacter7Theprefixportionoftherockunitlabelthatdoesnotincludesubscripts.
(Ifsubscriptingisnotusedintheoriginalunitlabel,thenthe'name'itemisthesameasthe'label'item.
)sscharacter3Thesuffixportionoftherockunitlabelthatincludessubscripts.
lithcharacter20Majortypeoflithostratigraphicunit,forexample,unconsolidatedsediments,sedimentaryrocks,metasedimentaryrocks,intrusiverocks,extrusiverocks,metamorphicrocks,water,ice.
desccharacter250Formalorinformalunitname.
Thisisanabbreviatedrockunitdescription.
Seedescriptionofmapunitsinthisreportorinthe*.
jpgfilesforthefulldescriptionusedinDrewes,(1980).
minagecharacter7Minimumstatigraphicageoflithologicunit,forexample,CRET,TERT,MPROT.
maxagecharacter7Maximumstratigraphicageoflithologicunit.
19GeomorphicfeaturesdatasetDescriptionsoftheitemsidentifyinggeomorphicfeaturesinthepolygonattributetable,i1109gm.
pat,areasfollows:i1109gm.
patITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONgeomorphcharacter1Letterabbreviationforthetypeofgeomorphicfeature:E-exoticblockbreccia,M-maarcrater,P-paleoplayaandW-Wilcoxplaya.
symbolinteger3ShadesetsymbolnumberusedbyArcInfotoplotafilled/shadedpolygon.
Symbolnumbersrefertothecalcomp1shadeset.
desccharacter250Adetaileddescriptionofthegeomorphicfeature,fromDrewes(1980).
sourceinteger4Numericcodeusedtoidentifythedatasource.
Completereferencesforthesourcesarelistedinthei1109gm.
reffile.
PointFeaturesCinderconedatasetDescriptionsoftheitemsinthecinderconepointattributetable,i1109cin.
pat,areasfollows:i1109cin.
patITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONpttypecharacter50Typeofcindercone:"cindercone"forknownlocationand"cindercone,uncertain"foruncertainlocation.
symbolinteger3MarkersymbolnumberusedbyArcInfotoplotthelocationofcindercones.
Symbolnumbersrefertothescamp2d.
mrkmarkerset(afterMattiandothers,1997).
sourceinteger4Numericcodeusedtoidentifythedatasource.
Completereferencesforthesourcesarelistedinthei1109cin.
reffile.
20RocksampledatasetDescriptionsoftheitemsintherocksamplepointattributetable,i1109sam.
pat,areasfollows:i1109sam.
patITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONtypecharacter18Collectionsite:"collectionsite"forknownlocation,"collectionsite"foruncertainlocation.
age1integer4Radiometricage(inmillionsofyears).
age1_certcharacter2Certainityoftheradiometricage:""indicatestheageisuncertain.
age2integer4Radiometricage(inmillionsofyears)ofthesecondsample.
age3integer4Radiometricage(inmillionsofyears)ofthethirdsample.
age4integer4Radiometricage(inmillionsofyears)ofthefourthsample.
age5character24RadiometricagethatwasshownontheDrewes(1980)mapwithcharacterattributes(forexampleP_,>800orYgstock).
site_numinteger5Anarbitrarynumberassignedtoeachcollectionsitelocation.
ThiswasnotontheDrewes(1980)maps.
symbolinteger3MarkersymbolnumberusedbyArcInfotoplotsamplepointlocation.
Symbolnumbersrefertothescamp2d.
mrkmarkerset(afterMattiandothers,1997).
sourceinteger4Numericcodeusedtoidentifythedatasource.
Completereferencesforthesourcesarelistedinthei1109sam.
reffile.
21StructuralmapsymbolsdatasetDescriptionsofitemsinthegeologicmapsymbolspointattributetable,i1109sdp.
pat,areasfollows:i1109sdp.
patITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONpttypecharacter50Thetypeofpointfeatureobservationdisplayedonthemap,forexample,faultattitudeindicator,foldplunge,inclined,horizontalorverticalbedding,inclinedorverticalfoliation,lineation.
symbolinteger3MarkersymbolnumberusedbyArcInfotoidentifytypeofgeologicmapsymbol.
Symbolnumbersrefertothescamp2d.
mrkmarkerset(afterMattiandothers,1997).
strikeinteger3Strikeofbedding,fault,foliationorotherstructuralplane;bearingoflineation;ordirectionofplunge.
Thevalueinstrikeisanazimuthalangle(measuredindegreesfrom0to360inaclockwisedirectionfromnorth).
Thevaluein"strike"isapproximate,becauseitwascalculatedbydigitizingthecartographicsymbolfromthemap.
dipinteger3Dipofbedding,fault,foldplunge,foliationorlineation.
Thisvalueisananglemeasured(indegreesfrom0to90)downfromthehorizontal;thusahorizontaldipis0degreeandaverticaldipis90degrees.
ai_anginteger3Aninterimvalueusedtocalculatesym$angle.
Thevariousstructuralmapsymbolsinthescamp2d.
mrkmarkerset(Mattiandothers,1997)hadtoberotatedbydifferentamountstoachievetheirpropermaporientation.
Forthestrikeanddipsymbols,ai_ang=strike–270.
sym$anginteger3Theangleusedtocompletethemathematicalrotationofthestructuralmapsymboltoitsproperorientationonthemap.
Thisvalueisthe$anglepseudoitemvalueforthepoint.
sourceinteger4Numericcodeusedtoidentifythedatasourceforthestructuralmapsymbol.
Completereferencesforthesourcesarelistedinthei1109sdp.
reffile.
22SourceAttributesDescriptivesourceorreferenceinformationforthei1109,i1109cin,i1109gm,i1109sam,andi1109sdpArcInfodatasetsisstoredinthei1109*.
reffilesrespectively.
Attributedescriptionsforitemsinthe*.
refdatasourcefilesareasfollows:i1109.
ref/i1109cin.
ref/i1109gm.
ref/i1109sam.
ref/i1109sdp.
refITEMNAMEITEMTYPEITEMWIDTHATTRIBUTEDESCRIPTIONsourceinteger4Numericcodeusedtoidentifythedatasource.
(Thisitemalsooccursinthei1109.
aat,i1109.
pat,i1109cin.
pat,i1109gm.
pat,i1109sam.
pat,andi1109sdp.
patfiles.
)scaleinteger8Scaleofsourcemap.
(Thisvalueisthedenominatoroftheproportionalfractionthatidentifiesthescaleofthemapthatwasdigitizedorscannedtoproducethedigitalmap.
)authorscharacter200Author(s)orcompiler(s)ofsourcemapenteredaslastname,firstnameorinitial,andmiddleinitial.
yearinteger4Source(map)publicationdate.
referencecharacter250RemainderofreferenceinUSGSreferenceformat.
ObtainingDigitalDataThedigitalversionofthegeologicmapisavailableinArcInfoexchange(*.
e00)format(seeAppendixA).
ThesedataaremaintainedinaUniversalTransverseMercatormapprojection:Projection:UTMZone:12Datum:NAD27Units:metersSpheroid:Clarke1866Notethatthisprojectioncanalsobedescribedinthefollowingmanner:Projection:TransverseMercatorUnits:metersParameters:scalefactoratcentralmeridian:0.
99960000longitudeofcentralmeridian-11100.
00latitudeoforigin000.
000falseeasting(meters)500000.
0falsenorthing(meters)0.
00000Toobtaincopiesofthedigitaldata,dooneofthefollowing:1.
DownloadthedigitalfilesfromtheUSGSpublicaccessWorldWideWebsiteontheinternet:URL=http://geopubs.
wr.
usgs.
gov/i-map/i1109or2.
AnonymousFTPfromgeopubs.
wr.
usgs.
gov,inthedirectory:pub/i-map/i110923TheInternetsitescontainthedigitalgeologicmapbothasArcInfointerchange-formatfiles(*.
e00)andasplotfiles(i1109_e.
pdfandi1109_w.
pdf).
ToutilizethespatialdatabaseyoumusthaveaGISthatiscapableofreadingArcInfointerchange-formatfiles.
ObtainingPaperMapsPapercopiesofthedigitalgeologicmaparenotavailablefromtheUSGS.
However,withaccesstotheInternetandalarge-formatcolorplottera1:125,000-scaleplotofthemapcanbemadeasfollows:1.
Downloadplotfilesofthemap(i1109_e.
pdfandi1109_w.
pdf)thatwerederivedfromthespatialdatabase.
Youcanalsodownloadthei1109_e.
jpgandi1109_w.
jpgscannedimagefilesoftheoriginalpublication(Drewes,1980).
AllofthesefilescanbeobtainedfromtheUSGSpublicaccessWorldWideWebsiteontheInternetusingtheURL=http://geopubs.
wr.
usgs.
gov/i-map/i1109/or2.
AnonymousFTPtheplotfilesfrom:geopubs.
wr.
usgs.
gov,inthedirectory:pub/i-map/i1109The.
pdfplotsareapproximately41by35inchesandthe.
jpgplotsareapproximately41by58inches.
ReferencesCitedArmstrong,A.
K.
,andSilberman,M.
L,1974,GeologicmapofthecentralPeloncilloMountains,HidalgoCounty,NewMexico:U.
S.
GeologicalSurvey,Open-FileReport74-11.
Brown,W.
H.
,1939,TucsonMountains,anArizonaBasinRangetype:GeologicalSocietyofAmericaBulletin,v.
50,no.
5,p.
697-760.
Bryant,D.
L,andKinnison,J.
E.
,1954,LowerCretaceousageoftheAmoleArkose,TucsonMountains,Arizona:GeologicalSocietyofAmericaBulletin,v.
65,no.
12,pt.
2,p.
1235.
Cooper,J.
R.
,1961,Turkey-trackporphyry-ApossibleguidetoMiocenerocksinsoutheasternArizona:ArizonaGeologicalSocietyDigest,v.
4,p.
17-33.
Courtright,J.
H.
,1958,ProgressreportoninvestigationsofsomeCretaceous-TertiaryformationsinsoutheasternArizona:ArizonaGeologicalSocietyDigest,v.
1,p.
7-9.
Drewes,Harald,1980,TectonicmapofsoutheastArizona:U.
S.
GeologicalSurvey,MiscellaneousInvestigationsSeriesI-1109,2sheets,scale1:125,000.
Epis,R.
C.
,1956,GeologyofthePedregosaMountains,CochiseCounty,Arizona:Berkeley,UniversityofCalifornia,Ph.
D.
thesis,263p.
Matti,J.
C.
,Miller,F.
K.
,Powell,R.
E.
,Kennedy,S.
A.
,Bunyapanasarn,T.
P.
,Koukladas,C.
,Hauser,R.
M.
,andCossette,P.
M.
,1997,Geologic-pointattributesfordigitalgeologic-mapdatabasesproducedbytheSouthernCaliforniaArealMappingProject(SCAMP):U.
S.
GeologicalSurveyOpen-FileReport97-859,7p.
Sabins,F.
E.
,Jr.
,1957,GeologyoftheCochiseHeadandwesternpartoftheVanarquadrangles:GeologicalSocietyofAmericaBulletin,v.
68,no.
10,p.
1315-1342.
AppendixA24AppendixA-ListofdigitalfilesinthesoutheastArizonaGIS—Usethe'import.
aml'toIMPORTallofthe*.
E00filesforuseinArcInfo.
ReporttextinAdobeportabledocumentformat:i1109.
pdfPrimaryArcInfointerchange-format(*.
e00)andmetadata(*.
txt)filesforthespatialdigitaldatabase:i1109.
e00geologicmap(contacts,structuresandmapunits)i1109cin.
e00cinderconesi1109gm.
e00geomorphicfeaturesi1109sam.
e00rocksampleswithradiometricagedatesi1109sdp.
e00structuralmapsymbolsi1109met.
txtmetadataAdobeportabledocumentformat(*.
pdf)plotfilesderivedfromthespatialdigitaldatabase:i1109_e.
pdf–eastpartofmapi1109_w.
pdf–westpartofmapArcInfoAMLnecessarytosetuptheGIS:import.
aml–programtoimportArcInfointerchange-format(*.
e00)filesGrayscalerasterimagefiles(*.
jpg)formapsheets1and2(Drewes,1980):i1109_e.
jpg–sheet1(eastpartofmap)i1109_w.
jpg–sheet2(westpartofmap)AppendixB25AppendixB-TransformationFileListingFortheEastandWestMapsSHEET1–EASTMAPArc:|>transformtmash1i1109sh1v1<|Transformingcoordinatesforcoveragetmash1Scale(X,Y)=(3185.
679,3186.
759)Skew(degrees)=(-0.
005)Rotation(degrees)=(0.
726)Translation=(587544.
049,3465744.
897)RMSError(input,output)=(0.
022,69.
649)AffineX=Ax+By+CY=Dx+Ey+FA=3185.
423B=-40.
636C=587544.
049D=40.
359E=3186.
499F=3465744.
897ticidinputxinputyoutputxoutputyxerroryerror3452.
4250.
384595080.
9383467085.
750172.
600-20.
3523213.
8581.
912599701.
3753472024.
25054.
730-30.
4723193.
8204.
929599551.
6253481634.
000-37.
970-28.
9033173.
8337.
959599457.
5003491278.
250-26.
942-15.
8713153.
83411.
033599368.
6253501075.
250-59.
937-18.
1703134.
16614.
087600277.
3753510767.
750-34.
23932.
5273226.
8371.
916609290.
1883472142.
250-46.
213-15.
3853206.
8744.
943609270.
6253481821.
750-29.
464-49.
2283419.
8981.
905619052.
5003472224.
000-57.
397-10.
74233916.
0192.
877638398.
5003475535.
75054.
60522.
1733167.
19011.
030610002.
7503501154.
500-4.
82828.
7063186.
8857.
959609154.
8123491388.
500-2.
996-5.
771******9.
8736.
084618712.
1883485507.
50035.
82722.
6403146.
91514.
088609032.
1883510896.
500-33.
14017.
550******9.
88314.
782618395.
1253513218.
50028.
52629.
42633516.
0397.
933638254.
5623491822.
00057.
662-152.
70733115.
99310.
990638086.
3753501418.
250-43.
217-7.
41233012.
79014.
063627667.
3123511036.
25045.
49536.
2173114.
17817.
125600151.
6883520537.
7504.
193-55.
502AppendixB262004.
03223.
224599441.
0003539839.
0003.
66670.
6863105.
03121.
699602640.
7503535016.
00048.
15376.
5403054.
12826.
228599619.
3123549558.
0009.
481-72.
283******2.
50132.
197594202.
2503568397.
0000.
00145.
7683126.
93817.
137608967.
3123520593.
000-17.
92640.
1133069.
53125.
190616837.
9383546434.
75041.
249-37.
22332313.
06223.
224628226.
8123540187.
500-20.
02086.
4143007.
20229.
224609323.
4383559197.
250-24.
750-37.
984******9.
89732.
183617754.
2503568643.
7507.
91551.
11730113.
23929.
214628591.
4383559446.
500-62.
804-78.
263******17.
3186.
076642456.
9383485805.
2505.
4530.
00734219.
0450.
301648285.
4383467438.
500-87.
96533.
70234325.
3960.
282668519.
8123467661.
750-90.
0287.
14233619.
1647.
911648247.
7503491736.
75020.
649-9.
57133219.
14310.
962648076.
1883501402.
750-0.
33046.
124******17.
31014.
780642076.
4383513517.
7506.
48522.
54533722.
2057.
922657971.
0623491835.
750-17.
89849.
30733322.
48810.
914658777.
1883501415.
000-43.
67914.
941******24.
7846.
092666202.
8753486157.
25041.
830-1.
256******24.
76514.
796665758.
8753513871.
25070.
58522.
02134430.
8010.
308685638.
5003467976.
7507.
303-8.
82634028.
2874.
911677522.
5623482561.
750-70.
669-26.
81433830.
7627.
859685204.
7503492045.
75011.
194-16.
35832719.
11917.
126647748.
4383521072.
5002.
86116.
15732419.
10922.
205647459.
2503537205.
50053.
43567.
97130719.
08226.
229647325.
5003550175.
250-64.
036-82.
55530822.
30826.
087657458.
9383549746.
50084.
40826.
52432525.
61122.
990668152.
6883540022.
00039.
21614.
931AppendixB2730925.
37926.
087667384.
5003549991.
000-56.
712-94.
00730219.
29729.
228647865.
6883559721.
500-41.
191-61.
741******17.
28632.
170641307.
2503568945.
500-5.
8287.
35630322.
30829.
048657446.
4383559251.
000-23.
379-45.
716******24.
67332.
196664861.
4383569302.
000-32.
30430.
32332828.
58319.
911677769.
0623530295.
25013.
59048.
72432930.
74417.
035684699.
8753521235.
00084.
35233.
38832628.
53523.
006677520.
5623540104.
000-16.
832100.
37430430.
65229.
178683949.
5003560076.
50047.
234-118.
303SHEET2–WESTMAPArc:transformmapi1109v1mapi1109v2Transformingcoordinatesforcoveragemapi1109v1Scale(X,Y)=(3178.
721,3180.
983)Skew(degrees)=(0.
138)Rotation(degrees)=(0.
247)Translation=(469839.
445,3461329.
589)RMSError(input,output)=(0.
059,186.
041)AffineX=Ax+By+CY=Dx+Ey+FA=3178.
692B=-6.
064C=469839.
445D=13.
712E=3180.
987F=3461329.
589ticidinputxinputyoutputxoutputyxerroryerror1351.
9913.
519476242.
6253472546.
500-95.
5155.
1131374.
5542.
538484534.
5943469383.
750-234.
09281.
2351395.
1005.
020486044.
6253477377.
000-23.
417-8.
746******2.
0137.
407476258.
3753484858.
000-66.
12759.
8661243.
81012.
575481831.
1253501386.
75041.
591-5.
287******2.
08016.
107476321.
7813512566.
00033.
10329.
8321387.
6211.
513494142.
8443466235.
750-87.
99410.
4991409.
4541.
520499929.
2813466296.
750-48.
568-1.
53813313.
7254.
914513559.
9063477131.
750-122.
42717.
17014116.
9631.
540523755.
6253466452.
500-5.
1146.
812******9.
4817.
348500000.
0003484830.
750-68.
3012.
846AppendixB28******9.
51916.
071500000.
0003512539.
0000.
10541.
57113112.
7888.
094510404.
3753487345.
75034.
688-93.
211******16.
9527.
333523741.
6253484858.
000-62.
12828.
90114913.
85215.
398513715.
2503510464.
25061.
30435.
11812516.
99012.
359523699.
0003500835.
25070.
01839.
836******16.
97316.
041523678.
2193512566.
00014.
65821.
4421183.
61721.
723481149.
2503530496.
50055.
794-16.
035******2.
12924.
770476385.
6253540275.
25069.
634-125.
0181084.
66427.
400484514.
8753548600.
000-17.
053-46.
5931044.
78829.
649484844.
0313555800.
75036.
171-92.
5831013.
11632.
665479675.
1563565366.
500-127.
656-88.
5141502.
16833.
499476412.
1253567837.
000114.
91282.
64311410.
47524.
306503490.
2503538812.
500-500.
632-21.
351******9.
55024.
766500000.
0003540248.
00045.
293-7.
93810912.
11026.
386508118.
4063545538.
50053.
726-108.
04611516.
79924.
520522801.
2813539228.
000289.
569329.
032******16.
98924.
741523614.
3753540275.
25077.
651-12.
6191519.
34833.
422499317.
3443567785.
25032.
879-12.
009******16.
98933.
445523550.
0623567985.
75088.
677-36.
25310217.
39632.
924524803.
3753566438.
250132.
636-139.
38514219.
5591.
510532085.
9383466352.
500-83.
10949.
49814324.
4341.
507547582.
1883466481.
000-84.
166-24.
07814429.
0771.
578561113.
1883466823.
0001142.
334-76.
03013632.
6873.
652573785.
8123473403.
000-66.
041-9.
49114531.
8931.
522571281.
3753466636.
750-72.
377-29.
887******24.
4197.
322547483.
4383484939.
000-67.
82618.
00212625.
49211.
160550788.
8123497144.
75014.
39334.
06212219.
76116.
489532428.
3753514113.
250125.
850-61.
731AppendixB29******24.
42216.
043547356.
6253512647.
75015.
42549.
78314823.
33815.
376543843.
3753510554.
75088.
3827.
036******31.
8857.
324571225.
6883485074.
500-77.
682-11.
15713031.
7119.
788570592.
5003492925.
750-11.
961-24.
61114729.
23713.
512562690.
0003504755.
0004.
036-42.
13412732.
48912.
235573050.
4383500672.
500-12.
63421.
908******31.
85816.
039571035.
4383512783.
500-27.
5984.
06014635.
3721.
601582357.
8753466942.
500-92.
881-33.
75513434.
6575.
232580013.
6253478475.
750-42.
309-27.
03413237.
4778.
238588896.
6253488099.
25020.
474-51.
93412835.
08612.
442581271.
0003501387.
00020.
5511.
48012336.
18816.
096584763.
9383513038.
7509.
800-13.
06712937.
68312.
332589608.
1253501064.
000-59.
98611.
64812122.
86218.
369542348.
8753520090.
25049.
100-14.
78411119.
94626.
912533084.
0003547203.
500-4.
0906.
144******24.
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517AppendixC31AppendixC-Metadatafile(i1109met.
txt)forthesoutheastArizonaGISIdentification_Information:Citation:Citation_Information:Originator:HaraldDrewes,RobertA.
Fields,DouglasM.
HirschbergandKarenS.
BolmPublication_Date:2002Title:SpatialDigitalDatabasefortheTectonicMapofSoutheastArizonaGeospatial_Data_Presentation_Form:mapSeries_Information:Series_Name:USGSMiscellaneousInvestigationsSeriesIssue_Identification:MapI-1109Publication_Information:Publication_Place:MenloPark,CaliforniaPublisher:U.
S.
GeologicalSurveyOnline_Linkage:URL:http://geopubs.
wr.
usgs.
gov/i-map/i1109/Description:Abstract:AspatialdatabasewascreatedfortheDrewes(1980)tectonicmapofsoutheastArizona:thisdatabasesupercedesDrewesandothers(2001,ver.
1.
0).
Thewesttectonicmap(Drewes,1980)wasconvertedtodigitalformatbyOptronicsSpecialtyCo.
,Inc.
andpublishedin2001.
StaffandacontractorattheU.
S.
GeologicalSurveyinTucson,Arizonadevelopedadigitalgeologicmapdatabasefortheeastmapin2001,maderevisionstothepreviouslyreleaseddigitaldataforthewestmap(Drewesandothers,2001,ver.
1.
0),mergeddatafilesfortheeastandwestsheets,andaddedadditionaldatanotpreviouslycaptured.
Purpose:ThisdigitalgeospatialdatabaseisoneofmanybeingcreatedbytheU.
S.
GeologicalSurveyasanongoingefforttoprovidegeologicinformationinageographicinformationsystem(GIS)foruseinspatialanalysis.
Theresultingdigitalgeologicmapdatabasedatacanbequeriedinmanywaystoproduceavarietyofgeologicmapsandderivativeproducts.
Thisdatabaseshouldnotbeusedordisplayedatanyscalelargerthan1:125,000(forexample,1:100,000or1:24,000).
Supplemental_Information:ContractorsattheU.
S.
GeologicalSurveyinSpokane,Washington,completedaninterimDigitaldatabase,version1.
0,withlineandpolygonfeaturesforSheet2in2001.
Thedatabaseinversion2.
0containsrevisionstotheSheet2databaseandadditionaldatasuchasstructuralstrikeanddip,collectionsample,markerbed,markerhorizonandgeomorphicfeaturedataforbothSheets1and2.
Digitalbasemapdatafiles(topography,roads,towns,riversandlakes,etc.
)arenotincluded.
SincetheDrewes(1980)eastandwestmapsheetshaveadditionaldatathatwasnotincludedinthisdatabase,scannedimagesareincludedasacourtesytothereader.
Thedigitalgeologicmapplotfiles(i1109_e.
hp/.
eps/.
pdfandi1109_w.
hp/.
eps/.
pdf)providedinthedigitalpackagearearepresentationofthedatabase.
ThesefileswillnotprintacopyoftheoriginalDrewes(1980)TectonicMapofSoutheastArizona.
AppendixC32Thetextreport(i1109.
pdf)describesthemapunits,themethodsusedtoconvertthegeologicmapdataintoadigitalformat,theArcInfoGISfilestructuresandrelationships,andexplainshowtodownloadthedigitalfilesfromtheU.
S.
GeologicalSurveypublicaccessWorldWideWebsiteontheInternet.
Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:2002Currentness_Reference:PublicationsupercedesHaraldDrewes,WilliamN.
KelleyandStevenR.
Munts,(2001).
Status:Progress:CompleteMaintenance_and_Update_Frequency:AsNeededSpatial_Domain:Bounding_Coordinates:West_Bounding_Coordinate:-111.
32East_Bounding_Coordinate:-109.
00North_Bounding_Coordinate:32.
26South_Bounding_Coordinate:31.
32Keywords:Theme:Theme_Keyword_Thesaurus:noneTheme_Keyword:geologyTheme_Keyword:geologicmapPlace:Place_Keyword_Thesaurus:nonePlace_Keyword:CochiseCountyPlace_Keyword:PimaCountyPlace_Keyword:SantaCruzCountyPlace_Keyword:ArizonaPlace_Keyword:USAAccess_Constraints:noneUse_Constraints:Thisdigitaldatabaseshouldnotbeusedordisplayedatanyscalelargerthan1:125,000(forexample,1:100,000or1:24,000).
Anyhardcopiesutilizingthesedatasetsshallclearlyindicatetheirsource.
Ifusersmodifythedatainanywaytheyareobligatedtodescribeonthehardcopymapthetypesofmodificationstheyhaveperformed.
Usersspecificallyagreenottomisrepresentthesedatasets,nortoimplythatchangestheymadewereapprovedbytheU.
S.
GeologicalSurvey.
AppendixC33Point_of_Contact:Contact_Information:Contact_Person_Primary:Contact_Person:FloydGrayContact_Organization:U.
S.
GeologicalSurveyContact_Position:GeologistContact_Address:Address_Type:mailingandphysicaladdressAddress:USGSGeologicDivisionDennisDeConciniEnvironmental&NaturalResourcesBldg.
520NorthParkAve.
,Room357City:TucsonState_or_Province:ArizonaPostal_Code:85719-5035Country:USAContact_Voice_Telephone:520-670-5582Contact_Facsimile_Telephone:520-670-5571Contact_Electronic_Mail_Address:fgray@usgs.
govData_Set_Credit:Thegeologicmapdatabasewasinitiallypreparedfromfoldedpapergeologicmaps(Drewes,1980)bythestaffatOptronicsSpecialtyCo.
,Inc.
OptronicsscannedthegeologicmapandpreparedminimallyattributedArcInfoexchange-formatfiles.
WilliamN.
KelleyandStevenR.
Munts(contractors)georeferencedandtransformedthedataforSheets1and2andcompletedtheediting,datamodelpreparationandattributingofarcsandpolygonsforthewestsheet(Sheet2).
RobertA.
Fields,DouglasM.
Hirschberg(contractor)andKarenS.
Bolmreviewedandeditedthefilesforbothsheetsanddevelopedadditionalspatialandattributedata.
ThemanuscriptanddigitaldatawerereviewedbyHelenKayser(contractor)andPamelaDerkeyattheUSGSSpokaneoffice.
Native_Data_Set_Environment:SunOS,5.
6,sun4uUNIXARC/INFOversion7.
2.
1Cross_Reference:Citation_Information:Originator:Drewes,HaraldPublication_Date:1980Title:TectonicMapofSoutheastArizonaGeospatial_Data_Presentation_Form:mapSeries_Information:Series_Name:MiscellaneousInvestigationSeriesMapIssue_Identification:MapI-1109Publication_Information:Publication_Place:Denver,COAppendixC34Publisher:U.
S.
GeologicalSurveyOnline_Linkage:http://geopubs.
wr.
usgs.
gov/i-map/i1109/Data_Quality_Information:Attribute_Accuracy:Attribute_Accuracy_Report:Accuracywasverifiedbymanualcomparisonofthesourcewithhardcopyplotsandprintouts.
Someinterpretationoftheoriginaldatawasnecessarywhenmapareascoveredaverysmallarealextent,hadnolabelsandwererepresentedwithsimilarcolorhues.
Insomecasesthedecorationsforfaultsontheoriginalmapmadeitdifficulttodeterminewhereaparticulartypeoffaultstartedandstopped.
Numericalvaluesforstrikeshouldbeconsideredapproximatebecausetheyweredigitizedfromthesourcemapandnottakenfromfieldnotes.
Theitem"strike"alsorepresentslineationbearingandplungedirectiontosimplifythedatabase.
Strikesymbolsweredigitizedusingtheright-handruleandthestrikedirectionwascalculatedmathematically.
Dipvaluesinthedatabaserepresentthedipvalueannotatedontheoriginalmap.
Logical_Consistency_Report:Polygonandchain-nodetopologyispresent.
Polygonsintersectingtheneatlineareclosedalongtheborder.
Segmentsmakinguptheouterandinnerboundariesofapolygontieend-to-endtocompletelyenclosethearea.
Polygonsliversandlinedangleswereremoved.
Linesegmentsareasetofsequentiallynumberedcoordinatepairs.
Noduplicatefeaturesorduplicatepointsexistinadatastring.
Intersectinglinesareseparatedintoindividuallinesegmentsatthepointofintersection.
Pointdataarerepresentedbytwosetsofcoordinatepairs,eachwiththesamecoordinatevalues.
Allnodesarerepresentedbyasinglecoordinatepairindicatingthebeginningorendofalinesegment.
Theneatlinewasgeneratedbymathematicallygeneratingthefoursidesofthequadrangle,densifyingthelinesoflatitudeandprojectingthefiletoTransverseprojection(shownasUTM12).
Completeness_Report:AllgeologicunitswerecapturedfromDrewes(1980)atascaleof1:125,000.
Fourconcealedcontactlinesinthe"Qg"alluviummapunitinthenorthwestpartofthemapwereexcludedfromthedatabase.
Theoriginalmapalsohadtwopointswitha"Qg"mapunitlabelandnocorrespondingcontactrepresentingtheextentofthemapunit.
Theselabelswereexcludedfromthedatabase.
Threeconcealedmapunitareaslabeled"Klq"ontheoriginalwestsheetwereprintedwithacolorrepresentingthe"QTgu"mapunit.
Thisdatabaseshowsthesethreeareaswiththegreen"Klq"colorassignedtothismapunit.
ThreelineslocatedintheYwandYcmapunitinthenorthernpartofthewestsheetwereundefinedinthemapexplanationandwereexcludedfromthisdatabase.
HachuredlinesrepresentingbeachridgesintheQpmapunitalongthemarginsoftheWilcoxPlayawerenotincludedinthedatabase.
Welllocation,mapunitspenetratedandcorrespondingthicknessdataalsowerenotincludedinthisdatabase.
Cartographicbasemapdatasuchasrivers,roads,etc.
andmapinsertsandcorrespondingexplanations,crosssections,references,andotherdatawhichwerenotincludedinthegeospatialdatabasecanbeviewedinthei1109_e.
jpgandi1109_w.
jpgrasterimagefiles.
Positional_Accuracy:Horizontal_Positional_Accuracy:AppendixC35Horizontal_Positional_Accuracy_Report:Arcsandpointsareprobablynomoreaccuratethan±187metersbasedupontheRMSerrorencounteredwhentransformingthedatasetbaseduponmathematicallydefinedtics.
Lineage:Source_Information:Source_Citation:Citation_Information:Originator:Drewes,HaraldPublication_Date:1980Title:TectonicMapofSoutheastArizonaGeospatial_Data_Presentation_Form:mapSeries_Information:Series_Name:MiscellaneousInvestigationSeriesMapIssue_Identification:MapI-1109Publication_Information:Publication_Place:Denver,COPublisher:U.
S.
GeologicalSurveySource_Scale_Denominator:125000Type_of_Source_Media:foldedpaperSource_Time_Period_of_Content:Time_Period_Information:Single_Date/Time:Calendar_Date:1980Source_Currentness_Reference:publicationdateSource_Citation_Abbreviation:Drewes,1980Source_Contribution:Thisistheoriginalsourceforthe2002dataset.
Source_Contribution:HaraldDrewes,WilliamN.
KelleyandStevenR.
Munts,(2001).
Process_Step:Process_Description:Thegeologicmaps(Drewes,1980)wereopticallyscannedbyOptronicsSpecialtyCo.
,Inc.
andgivenminimalattribution.
Version1.
0forthewestpartoftheareawaseditedandattributedbyW.
N.
KelleyandS.
R.
Munts(contractors).
Version2.
0forthewholemapareawasdevelopedbyRobertA.
Fields(USGS),DouglasM.
Hirschberg(contractor)andKarenS.
Bolm(USGS).
Process_Date:2001Spatial_Data_Organization_Information:Direct_Spatial_Reference_Method:VectorPoint_and_Vector_Object_Information:SDTS_Terms_Description:SDTS_Point_and_Vector_Object_Type:PointPoint_and_Vector_Object_Count:8787SDTS_Terms_Description:SDTS_Point_and_Vector_Object_Type:StringPoint_and_Vector_Object_Count:24743AppendixC36SDTS_Terms_Description:SDTS_Point_and_Vector_Object_Type:GT-polygoncomposedofchainsPoint_and_Vector_Object_Count:8788Spatial_Reference_Information:Horizontal_Coordinate_System_Definition:Planar:Grid_Coordinate_System:Grid_Coordinate_System_Name:UniversalTransverseMercatorUniversal_Transverse_Mercator:UTM_Zone_Number:12Transverse_Mercator:Scale_Factor_at_Central_Meridian:0.
999600Longitude_of_Central_Meridian:-111.
000000Latitude_of_Projection_Origin:0.
0False_Easting:500000.
000000False_Northing:0.
000000Planar_Coordinate_Information:Planar_Coordinate_Encoding_Method:coordinatepairCoordinate_Representation:Abscissa_Resolution:0.
01Ordinate_Resolution:0.
01Planar_Distance_Units:MetersGeodetic_Model:Horizontal_Datum_Name:NorthAmericanDatumof1927Ellipsoid_Name:Clarke1866Semi-major_Axis:6378206.
4Denominator_of_Flattening_Ratio:294.
98Entity_and_Attribute_Information:Overview_Description:Entity_and_Attribute_Overview:The'SpatialDigitalDatabasefortheTectonicMapofSoutheastArizona'report,i1109.
pdf,containsadetaileddescriptionofeachattributecodeandareferencetotheassociatedmapsymbolsonthemapsourcematerials.
ThedigitaltectonicmapofsoutheastArizonaincludesageologic(linearfeature)arcattributetable,i1109.
aat,whichrelatestothei1109.
con,i1109.
st2,i1109.
lguandi1109.
reffiles.
Arockunitpolygonattributetable,i1109.
pat,relatestothei1109.
ruandi1109.
reffiles.
Pointfeaturesrepresentingstructuralattitudesofbedding,faultplanes,foliationandlineationarelocatedinthepointattributetable,i1109sdp.
pat,whichrelatestothei1109sdp.
reffile.
Geomorphicfeaturessuchaspaleoplayas,exoticbrecciazonesandmaarcratersarelocatedini1109gm.
patanditsrelatedi1109gm.
reffile.
Pointsrepresentingcinderconesarelocatedini1109cin.
patanditsrelatedi1109cin.
reffile.
Pointsrepresentingrocksamplesitesandradiometricagedatesarecontainedini1109sam.
patanditsrelatedi1109sam.
reffile.
InformationonArcInfointerchangefilesislistedinthei1109.
pdftextreport.
AppendixC37Entity_and_Attribute_Detail_Citation:Seethereporttext,i1109.
pdf,foradetaileddescriptionoftheitemsinthespatialdatabaseavailableontheWorldWideWebathttp://geopubs.
wr.
usgs.
gov/I-map/i1109.
Distribution_Information:Distributor:Contact_Information:Contact_Organization_Primary:Contact_Organization:U.
S.
GeologicalSurveyContact_Electronic_Mail_Address:http://geopubs.
wr.
usgs.
gov/i-map/i1109/Distribution_Liability:TheU.
S.
GeologicalSurvey(USGS)providesthesegeographicdata"asis.
"TheUSGSmakesnoguaranteeorwarrantyconcerningtheaccuracyofinformationcontainedinthegeographicdata.
TheUSGSfurthermakesnowarranties,eitherexpressedorimplied,astoanyothermatterwhatsoever,including,withoutlimitation,theconditionoftheproductoritsfitnessforanyparticularpurpose.
Theburdenfordeterminingfitnessforuseliesentirelywiththeuser.
AlthoughthesedatahavebeenprocessedsuccessfullyoncomputersattheUSGS,nowarranty,expressedorimplied,ismadebytheUSGSregardingtheuseofthesedataonanyothersystem,nordoesthefactofdistributionconstrueorimplyanysuchwarranty.
InnoeventshalltheUSGShaveanyliabilitywhatsoeverforpaymentofanyconsequential,incidental,indirect,special,ortortdamagesofanykind,including,butnotlimitedto,anylossofprofitsarisingoutofuseoforrelianceonthegeographicdataorarisingoutofthedelivery,installation,operation,orsupportbyUSGS.
ThisdigitalgeologicmapGISshouldnotbeusedordisplayedatanyscalelargerthan1:125,000(forexample,1:100,000or1:24,000).
Metadata_Reference_Information:Metadata_Date:20020102Metadata_Review_Date:20020208Metadata_Contact:Contact_Information:Contact_Organization_Primary:Contact_Organization:U.
S.
GeologicalSurveyInformationServicesContact_Person:RobertA.
FieldsContact_Position:GeologistContact_Address:Address_Type:mailingandphysicaladdressAddress:USGSGeologicDivisionDennisDeConciniEnvironmental&NaturalResourcesBldg.
520NorthParkAve.
,Room357City:TucsonAppendixC38State_or_Province:ArizonaPostal_Code:85719-5035Country:USAContact_Voice_Telephone:520-670-5589Contact_Facsimile_Telephone:520-670-5571Contact_Electronic_Mail_Address:rafields@usgs.
govMetadata_Standard_Name:FGDCContentStandardsforDigitalGeospatialMetadataMetadata_Standard_Version:FGDC-STD-001-1998Metadata_Access_Constraints:noneMetadata_Use_Constraints:none