Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Grant Co., Oregon, USA

Oldest recorded age at locality: 290
Youngest recorded age at locality: 5.3

mindat Locality ID: 19986
mindat URL: http://www.mindat.org/loc-19986.html

Tectonic Settings:

Total number of sublocalities beneath "Grant Co., Oregon, USA": 639
Total number of bottom-level sublocalities: 597

Number of Child Localities: 91
Child Localities:
Alamo District
Austin Area
Austin Pit
Austin/Dixie Summit
Bald Mountain District
Bear Valley Occurrence
Big Creek
Big Creek Quarry
Blue Mts
Brown Bear Mine
Cable Cove
Cable Cove District
Caledonia
Canyon City District
Canyon Creek District
Coho Creek (Valley Pit & Plant USBM-0410230206; MSHA-3502527)
Cracker Creek District
Crane Creek District
Dayville Rock Products Pit
Deer Creek Riprap Site
Desolation Butte
Desolation Creek
Fox-Beach Creek Pit
Frenchy Springs (Blackbird; Crow)
George Len Lode Occurrence
Granite District
Greenhorn District
Greenstone 1-3 (Buckhorn 1-4; Greenstone 4-20)
Jack Blank Placer
John Day
John Day River
Kimberley
Little Strawberry Lake
Lone Pine Occurrence (Badger)
Middle Fork Area
Middle Fork John Day River
Monument
Mount Vernon
MP 106 John Day Highway
MP 195.3 John Day Highway
MP 32.7 Kimber Long Creek
Mud Spring Occurrence
Murderers Creek
N. Fk. John Day River RARE II Area
New Eldorado
North Fork District
North Fork John Day River
Parrish Cabin Pit
Pine Creek Pit
Placer Gulch Site
Porter And Company Dredge
Quarry (MRDS - 10051380)
Quarry (MRDS - 10051383)
Quarry (MRDS - 10052280)
Quarry (MRDS - 10052281)
Quartzburg District (Comer District)
Red Boy District / Granite Area
Ritter
Silvies
Smokey Creek (Designated Community Material Site)
South Fork Area
Spray Rock
Star Ridge Quarry
Stony Creek
Susanville District (Comer District)
Susanville District (Galena District)
Talc Boulder Prospect
Unnamed Gold Prospect (MRDS - 10249363)
Unnamed Gold Prospect (MRDS - 10249860)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10135393)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10177074)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10177350)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201406)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201679)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10225478)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10225810)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10232580)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10249490)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10249597)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10249625)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10249786)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10298349)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10298362)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10298785)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10298916)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10305731)
Unnamed Stone Pit (MRDS - 10128248)
Unnamed Stone Pit (MRDS - 10152659)
Valley Pit And Plant
Walton Pit
Welch Creek Mine

Latitude: 44°35'17"N
Longitude: 118°57'15"W
Decimal Degree (lat, lon): 44.588055555556,-118.95416666667
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au Ba Bi C Ca Co Cr Cu F Fe H Hg K Mg Mn Mo Na O P Pb S Sb Si Ti V W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteAnalcimeApatiteApophylliteAragoniteArsenicArsenopyriteCalciteChabazite
ChalcopyriteClayClinozoisiteCobaltiteCopperCorundumCovelliteEpidoteErioniteGarnet
GismondineGyroliteHarmotomeKaoliniteLöllingiteLévyneMalachiteMarcasiteMicaMolybdenite
NatroliteNickelineNoneNot in a structural groupPerovskitePyritePyroxeneQuartzRhodoniteRocksalt
RutileScheeliteSerpentineSkutteruditeSmectite-vermiculiteSphaleriteSpinelStibniteStilbiteTalc
TetrahedriteThomsoniteTobermoriteVivianite

80 IMA Minerals at location:
Aegirine  (*)Analcime  (*)Ankerite  (*)Antigorite  (*)Aragonite  (*)
Arsenopyrite  (*)Augite  (*)Beidellite  (*)Bismuth  (*)Bismuthinite  (*)
Bornite  (*)Calcite  (*)Chabazite-Ca  (*)Chalcocite  (*)Chalcopyrite  (*)
Chromite  (*)Chrysocolla  (*)Chrysotile  (*)Cinnabar  (*)Cobaltite  (*)
Copper  (*)Covellite  (*)Cowlesite  (*)Dolomite  (*)Enstatite  (*)
Epidote  (*)Erionite-Ca  (*)Erythrite  (*)Fluorapatite  (*)Fluorapophyllite-(K)  (*)
Galena  (*)Gismondine  (*)Glaucodot  (*)Gold  (*)Gonnardite  (*)
Gyrolite  (*)Hematite  (*)Ilmenite  (*)Jarosite  (*)Kaolinite  (*)
Laumontite  (*)Lévyne-Ca  (*)Magnetite  (*)Malachite  (*)Manganite  (*)
Marcasite  (*)Mesolite  (*)Molybdenite  (*)Montmorillonite  (*)Muscovite  (*)
Natrolite  (*)Offretite  (*)Paulingite-Ca  (*)Phillipsite-Ca  (*)Powellite  (*)
Proustite  (*)Pyrargyrite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodonite  (*)Roscoelite  (*)Safflorite  (*)Scheelite  (*)Scolecite  (*)
Siderite  (*)Silver  (*)Skutterudite  (*)Sphalerite  (*)Stellerite  (*)
Stephanite  (*)Stibnite  (*)Tacharanite  (*)Talc  (*)Tennantite-(Fe)  (*)
Tetrahedrite-(Zn)  (*)Thomsonite-Ca  (*)Tobermorite  (*)Uvarovite  (*)Vermiculite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O612580161022
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O11258015,258022,258023,258024,258027,258097,258098,258196,258197,258198,2582021627
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)27258227,258231,258233,258234,258242,258244,2582573092
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)42802802257725,257865708
Aragonite  (*)AragoniteCa(CO3)2802803257795,257807,2580273250
Arsenopyrite  (*)ArsenopyriteFeAsS29023.813257687,257694,257874,257878,257879,257904,257905,257909,257913,257933,258108,258256,2582579052
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O612580162060
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O125812085
Bismuth  (*)ArsenicBi20623.812581081966
Bismuthinite  (*)StibniteBi2S32258108,2581551935
Bornite  (*)NoneCu5FeS44257705,257980,258120,2581215516
Calcite  (*)CalciteCa(CO3)2805.356257659,257664,257670,257694,257695,257701,257776,257787,257795,257812,257851,257852,257865,257871,257874,257913,257933,257935,257936,257943,257944,257959,257960,257964,257975,257997,258007,258015,258023,258024,258027,258034,258049,258097,258098,258099,258113,258114,258121,258132,258137,258138,258141,258142,258144,258148,258149,258155,258171,258173,258196,258197,258198,258200,258202,25823627770
Chabazite-Ca  (*)ChabaziteCa2[Al4Si8O24]·13H2O1258201310
Chalcocite  (*)NoneCu2S12582565707
Chalcopyrite  (*)ChalcopyriteCuFeS220633.764257687,257691,257694,257695,257696,257701,257702,257705,257706,257874,257904,257905,257909,257915,257921,257933,257935,257936,257954,257957,257960,257974,257980,257982,257984,257985,257997,258006,258007,258008,258055,258061,258065,258113,258120,258121,258123,258127,258130,258134,258138,258141,258142,258143,258144,258148,258149,258155,258156,258157,258160,258170,258171,258173,258227,258230,258231,258233,258234,258239,258241,258242,258256,25825727198
Chromite  (*)SpinelFe2+Cr2O428028053257716,257718,257719,257725,257730,257732,257735,257744,257746,257751,257752,257757,257758,257760,257763,257764,257773,257779,257782,257789,257795,257797,257799,257807,257810,257811,257814,257823,257831,257840,257859,257864,257865,257911,257936,257942,257945,257946,257947,257948,257949,257950,257951,257952,257979,258046,258047,258050,258088,258155,258204,258210,2582113902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2257747,2579603531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)42802805257681,257826,257840,257937,258032951
Cinnabar  (*)NoneHgS54.823.812257769,257776,257851,257852,257954,257963,257979,257984,258045,258049,258235,2582482600
Cobaltite  (*)CobaltiteCoAsS4258108,258120,258121,258155966
Copper  (*)CopperCu4257712,258027,258198,2582023846
Covellite  (*)CovelliteCuS12581574165
Cowlesite  (*)NoneCa(Al2Si3)O10·5-6H2O4258027,258097,258198,25820284
Dolomite  (*)NoneCaMg(CO3)216257879,257904,257911,257943,257954,257960,257976,257985,257986,258007,258108,258121,258123,258127,258143,2581559895
Enstatite  (*)PyroxeneMg2Si2O61258016944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)23.85.32257907,2582368173
Erionite-Ca  (*)ErioniteCa5[Si26Al10O72]·30H2O125802731
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O1258155814
Fluorapatite  (*)ApatiteCa5(PO4)3F12580162740
Fluorapophyllite-(K)  (*)ApophylliteKCa4Si8O20F·8H2O5258015,258024,258098,258198,258202303
Galena  (*)RocksaltPbS16613048257691,257694,257695,257696,257701,257702,257705,257711,257712,257874,257878,257905,257913,257923,257933,257936,257943,257944,257954,257965,257975,257980,257982,257985,257986,257989,258007,258061,258108,258121,258123,258127,258128,258142,258143,258149,258155,258156,258171,258173,258227,258228,258233,258234,258242,258244,258256,25825724243
Gismondine  (*)GismondineCa2(Si4Al4)O16·8H2O1258098128
Glaucodot  (*)Arsenopyrite(Co0.5Fe0.5)AsS1258155131
Gold  (*)CopperAu28028023257678,257691,257737,257750,257755,257874,257875,257933,257935,257943,257984,258007,258057,258063,258085,258122,258155,258237,258248,258256,258257,258258,25825930554
Gonnardite  (*)Natrolite(Na,Ca)2(Si,Al)5O10·3H2O1258202167
Gyrolite  (*)GyroliteNaCa16(Si23Al)O60(OH)8·14H2O9258015,258023,258024,258098,258196,258197,258198,258202,258222142
Hematite  (*)CorundumFe2O310257680,257791,257933,257960,258019,258056,258061,258114,258121,25817314640
Ilmenite  (*)CorundumFe2+Ti4+O312580165433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612582342228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42257935,2579915591
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12581961271
Lévyne-Ca  (*)LévyneCa3(Si12Al6)O36·18H2O125802742
Magnetite  (*)SpinelFe2+Fe3+2O43257960,258016,25815714899
Malachite  (*)MalachiteCu2(CO3)(OH)229020610257722,257726,257730,257733,257744,257747,257812,257966,258065,25812012537
Manganite  (*)RutileMn3+O(OH)1258212770
Marcasite  (*)MarcasiteFeS29257687,257852,257909,258123,258144,258156,258196,258237,2582565674
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O10258015,258025,258027,258097,258098,258099,258196,258197,258198,258202425
Molybdenite  (*)MolybdeniteMoS25257701,257936,257939,257957,2579915800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O12580241508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)254.833.715257701,257711,257923,257944,257991,258061,258120,258123,258127,258134,258155,258157,258227,258234,25824117380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O7258015,258022,258023,258024,258098,258197,2581981236
Offretite  (*)Not in a structural groupKCaMg(Si13Al5)O36·15H2O5258027,258098,258196,258198,258202146
Paulingite-Ca  (*)None(Ca,K,Na,Ba,   )10(Si,Al)42O84·34H2O12582012
Phillipsite-Ca  (*)HarmotomeCa3(Si10Al6)O32·12H2O125820175
Powellite  (*)ScheeliteCa(MoO4)1257907494
Proustite  (*)NoneAg3AsS31257905733
Pyrargyrite  (*)NoneAg3SbS31661308257851,257852,257874,257904,257905,257913,257935,2580571425
Pyrite  (*)PyriteFeS22905.3113257653,257659,257664,257670,257679,257687,257691,257694,257695,257696,257698,257702,257705,257706,257710,257711,257713,257722,257727,257787,257812,257852,257867,257871,257874,257878,257879,257880,257890,257891,257904,257905,257909,257913,257915,257920,257921,257923,257933,257935,257936,257944,257959,257960,257964,257966,257975,257976,257979,257980,257981,257984,257989,257991,257993,257997,257999,258006,258007,258008,258049,258056,258057,258061,258065,258108,258113,258120,258121,258123,258127,258128,258129,258130,258132,258133,258134,258136,258137,258138,258141,258142,258143,258144,258148,258155,258156,258157,258160,258170,258171,258173,258176,258177,258178,258196,258197,258202,258224,258227,258228,258230,258231,258233,258234,258236,258237,258239,258241,258242,258244,258256,25825739462
Pyrrhotite  (*)NickelineFe7S82065.320257905,257933,258008,258108,258113,258123,258130,258138,258142,258143,258144,258157,258173,258230,258231,258234,258236,258241,258242,2582569056
Quartz  (*)QuartzSiO229033.7117257659,257664,257670,257679,257680,257687,257691,257694,257695,257698,257701,257705,257706,257710,257711,257713,257722,257727,257733,257747,257755,257781,257787,257812,257824,257851,257852,257867,257871,257874,257878,257879,257880,257890,257891,257904,257905,257907,257909,257913,257915,257921,257923,257933,257935,257936,257939,257943,257944,257959,257960,257964,257966,257974,257975,257976,257979,257980,257981,257982,257984,257986,257989,257991,257995,257997,257999,258007,258016,258024,258038,258045,258057,258058,258061,258065,258113,258114,258120,258121,258123,258127,258128,258129,258130,258132,258133,258134,258137,258138,258141,258142,258143,258144,258148,258149,258155,258157,258160,258171,258173,258176,258177,258178,258212,258224,258227,258230,258231,258233,258234,258239,258241,258242,258244,258256,25825761156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1258038969
Roscoelite  (*)MicaKV3+2(Si3Al)O10(OH)21257975253
Safflorite  (*)LöllingiteCoAs21258155317
Scheelite  (*)ScheeliteCa(WO4)2257996,2580584894
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O1258202390
Siderite  (*)CalciteFe(CO3)12581216417
Silver  (*)CopperAg4257691,257905,257984,2580075186
Skutterudite  (*)Skutterudite PerovskiteCoAs3206652258113,258155531
Sphalerite  (*)SphaleriteZnS2066544257691,257694,257695,257701,257705,257712,257874,257878,257904,257905,257933,257935,257936,257943,257944,257974,257975,257980,257982,257991,257995,257997,258108,258113,258121,258123,258127,258142,258143,258155,258156,258157,258171,258173,258227,258228,258231,258233,258234,258241,258242,258244,258256,25825721482
Stellerite  (*)StilbiteCa4(Si28Al8)O72·28H2O3258196,258197,258201189
Stephanite  (*)NoneAg5SbS41257935586
Stibnite  (*)StibniteSb2S38257687,257711,257935,258057,258058,258065,258233,2582563418
Tacharanite  (*)NoneCa12Al2Si18O33(OH)365258015,258024,258098,258196,25819847
Talc  (*)Clay TalcMg3Si4O10(OH)22257659,2579113337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1312582391803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1316613028257687,257705,257851,257852,257871,257874,257904,257905,257913,257921,257933,257935,257936,257962,257964,257975,257980,257982,257991,257995,257997,258065,258108,258121,258171,258239,258256,2582575317
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O9258015,258022,258027,258098,258196,258197,258198,258199,258202452
Tobermorite  (*)TobermoriteCa4Si6O17(H2O)2·(Ca·3H2O)1258202114
Uvarovite  (*)GarnetCa3Cr2(SiO4)32802802257725,257865212
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1258015652


55 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
podchrome-00456280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr147262Ajax Mine, Canyon City District, Grant Co., Oregon, USAAjaxMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00452280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr147981Chambers Mine (George Len), Canyon City District, Grant Co., Oregon, USAChambersMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00455280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr150229Marks & Thompson Mine (Hanenkrats; Marks-Thompson; Big Jim), Canyon City District, Grant Co., Oregon, USAMarks & ThompsonMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00472280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr151177Ray Mine (Tip Top Mine; Ray Springs Mine), Canyon City District, Grant Co., Oregon, USARay SpringMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00457280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr147971Celebration Mine, Canyon Creek District, Grant Co., Oregon, USACelebrationMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00454280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148625Dry Camp, Canyon Creek District, Grant Co., Oregon, USADry Camp (Upper Deposit)Moiser et al. (2012) USGSSIR2012_5157 
podchrome-00471280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148940Gardner Ranch Prospect (Zero; Carlsen; Al Dunn), Canyon Creek District, Grant Co., Oregon, USADune CarlsonMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00461280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr149357Haggard And New Mines, Canyon Creek District, Grant Co., Oregon, USAHaggard and NewMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00453280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr149625Iron King Mine (Billie Girl), Canyon Creek District, Grant Co., Oregon, USAIron KingMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00460280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr149822Kingsley Mine (Wm.W. Gardner Claim), Canyon Creek District, Grant Co., Oregon, USAKingsleyMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00464280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr150640Norway Mine (Potato Patch Mine; Smith Mine; Geitsfield Mine), Canyon Creek District, Grant Co., Oregon, USASmith & GeitsfieldMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00465280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr150640Norway Mine (Potato Patch Mine; Smith Mine; Geitsfield Mine), Canyon Creek District, Grant Co., Oregon, USANorwayMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00462280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr150977Powers Mine, Canyon Creek District, Grant Co., Oregon, USAPowersMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00459280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr153298Ward Mine (B & J; Olson), Canyon Creek District, Grant Co., Oregon, USAWardMoiser et al. (2012) USGSSIR2012_5157 
NAVDAT-919854.823.839.3±15.5   9198    149277Granite Placers (Porter And Company; Hudson Dredge & Company; Bull Run Mining Company; Oro Plata; Western Gold Corp.), Granite District, Grant Co., Oregon, USA NAVDAT NAVDAT 
USGS-Rb-Sr-03602164130147±17Rb-Sr whole rock     54409Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-03603166150158±8Rb-Srage of intrusionwhole rock     54409Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-03604151.93137.93144.93±7Rb-Sr whole rock     54409Monumental Mine (Kissell), Granite District, Grant Co., Oregon, USA USGS-Rb-Sr USGS-Rb-Sr 
NAVDAT-919754.823.839.3±15.5   9197    151140R Dee & R Dee Too, Granite District, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-9182290206248±42   9182    149986Little Giant, Greenhorn District, Grant Co., Oregon, USA NAVDAT NAVDAT 
podchrome-00463280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr151569Silver's Mine (Silver Lease), Mount Vernon, Grant Co., Oregon, USASilver LeaseMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00470280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148514Delore Prospects, Murderers Creek, Grant Co., Oregon, USADelore ProspectMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00469280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr149378Hankins (Oregon Mine; Hankins; Spring And Chrome Ridge), Murderers Creek, Grant Co., Oregon, USAHankinsMoiser et al. (2012) USGSSIR2012_5157 
NAVDAT-1072520665135.5±70.5   10725    147729Boulder Group (Boulder Ridge Mining Company; Cobalt Gold Mines Inc.), Quartzburg District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-1072120665135.5±70.5   10721    147992Charlie Q. Occurrence (Leslie Ray; Ran 1; Sadie Bell 1-2; Ruth Tee Ann; Sharyl Ann; Mary Lou; Short Rock; Tory D.; Dana Lou; Wilma L.), Quartzburg District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-1071314465104.5±39.5   10713    148970Gladys Occurrence (Kayuse), Quartzburg District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-1071554.833.744.25±10.55   10715    149165Gold Prospect (MRDS - 10036650), Quartzburg District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-1032554.823.839.3±15.5   10325    151765Stithum Mine, Quartzburg District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-9190290206248±42   9190    150743Oregon Monarch Occurrence, Red Boy District / Granite Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-9191290206248±42   9191    150743Oregon Monarch Occurrence, Red Boy District / Granite Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-9192290206248±42   9192    150743Oregon Monarch Occurrence, Red Boy District / Granite Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18956161515+1/-0   18956    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18957161515+1/-0   18957    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18958161515+1/-0   18958    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18959161515+1/-0   18959    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18960161515+1/-0   18960    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18961161515+1/-0   18961    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18962161515+1/-0   18962    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18963161515+1/-0   18963    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18964161515+1/-0   18964    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18965161515+1/-0   18965    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18966161515+1/-0   18966    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18967161515+1/-0   18967    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18968161515+1/-0   18968    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18969161515+1/-0   18969    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18970161515+1/-0   18970    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18971161515+1/-0   18971    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18972161515+1/-0   18972    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18973161515+1/-0   18973    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-18974161515+1/-0   18974    147545Big Chief Claim, South Fork Area, Grant Co., Oregon, USA NAVDAT NAVDAT 
podchrome-00466280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148973Glasscock Claims (Another Chance; Queen Of The May; Stone & Hankins; Uncle Sam; Eddy Group), South Fork Area, Grant Co., Oregon, USAUncle SamMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00467280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148973Glasscock Claims (Another Chance; Queen Of The May; Stone & Hankins; Uncle Sam; Eddy Group), South Fork Area, Grant Co., Oregon, USAQueen of the MayMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00468280280Early Permian (268-278 Ma U-Pb zircon in plagiogranites)       Cr148973Glasscock Claims (Another Chance; Queen Of The May; Stone & Hankins; Uncle Sam; Eddy Group), South Fork Area, Grant Co., Oregon, USAStone & HankinsMoiser et al. (2012) USGSSIR2012_5157 
NAVDAT-1032154.823.839.3±15.5   10321    150037Long Walk Prospect, Susanville District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-1031723.85.314.55±9.25   10317    150541Myrtle Mine, Susanville District (Comer District), Grant Co., Oregon, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL
R050078Grant Co., Oregon, USAhttps://rruff.info/R050078
R070270Beech Creek Quarry, Mount Vernon, Grant Co., Oregon, USAhttps://rruff.info/R070270
R060457Ritter, Grant Co., Oregon, USAhttps://rruff.info/R060457

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