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:
Sunnyside Mine Group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA

Oldest recorded age at locality: 380
Youngest recorded age at locality: 20

mindat Locality ID: 3630
mindat URL: http://www.mindat.org/loc-3630.html

Tectonic Settings:

Total number of sublocalities beneath "Sunnyside Mine Group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°54'11"N
Longitude: 107°36'41"W
Decimal Degree (lat, lon): 37.903055555556,-107.61138888889
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 Be Bi C Ca Cl Cu F Fe H K Mn Mo Ni O Pb S Sb Si Te W Zn 

Elements from minerals reported directly at this locality: Ag Al As Au Ba Be Bi C Ca Cl Cu F Fe H K Mn Mo Ni O Pb S Sb Si Te W Zn 

Structural Groups for minerals in this locality: 
AcanthiteBaryteCalciteCancrinite-sodaliteChalcopyriteClayClinozoisiteColumbiteCopperCorundum
EpidoteFluoriteGarnetGypsumHumiteKaoliniteLinariteMeloniteMeneghiniteMica
MolybdeniteNickelineNoneNot in a structural groupOlivinePyritePyrosmaliteQuartzRhodoniteRocksalt
SodaliteSphaleriteTetrahedrite

41 IMA Minerals at location:
Acanthite  (*)Aikinite  (*)Alabandite  (*)Alleghanyite  (*)Anhydrite  (*)
Baryte  (*)Bornite  (*)Calaverite  (*)Calcite  (*)Chalcopyrite  (*)
Copper  (*)Epidote  (*)Fluorite  (*)Freibergite  (*)Friedelite  (*)
Galena  (*)Gold  (*)Gypsum  (*)Helvine  (*)Hematite  (*)
Hübnerite  (*)Kaolinite  (*)Kutnohorite  (*)Linarite  (*)Minohlite  (*)
Molybdenite  (*)Muscovite  (*)Nantokite  (*)Gersdorffite-Pa3  (*)Petzite  (*)
Pyrite  (*)Pyroxmangite  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)
Rhodonite  (*)Silver  (*)Spessartine  (*)Sphalerite  (*)Tephroite  (*)
Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S262002793
Aikinite  (*)MeneghiniteCuPbBiS326200315
Alabandite  (*)RocksaltMnS26200312
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)22620077
Anhydrite  (*)Not in a structural groupCa(SO4)262001588
Baryte  (*)BaryteBa(SO4)2620011547
Bornite  (*)NoneCu5FeS4262005516
Calaverite  (*)MeloniteAuTe226200361
Calcite  (*)CalciteCa(CO3)2620027770
Chalcopyrite  (*)ChalcopyriteCuFeS22620027198
Copper  (*)CopperCu262003846
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)262008173
Fluorite  (*)FluoriteCaF2262009617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S1226200663
Friedelite  (*)Pyrosmalite ClayMn2+8Si6O15(OH)102620040
Galena  (*)RocksaltPbS2620024243
Gold  (*)CopperAu2620030554
Gypsum  (*)GypsumCa(SO4)·2H2O262006890
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S26200237
Hematite  (*)CorundumFe2O32620014640
Hübnerite  (*)ColumbiteMn2+(WO4)26200469
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4262005591
Kutnohorite  (*)NoneCaMn2+(CO3)226200234
Linarite  (*)LinariteCuPb(SO4)(OH)226200987
Minohlite  (*)None(Cu,Zn)7(SO4)2(OH)10·8H2O262005
Molybdenite  (*)MolybdeniteMoS2262005800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22620017380
Nantokite  (*)SphaleriteCuCl2620035
Gersdorffite-Pa3  (*)PyriteNiAsS26200767
Petzite  (*)NoneAg3AuTe226200409
Pyrite  (*)PyriteFeS22620039462
Pyroxmangite  (*)NoneMn2+SiO326200147
Pyrrhotite  (*)NickelineFe7S8262009056
Quartz  (*)QuartzSiO22620061156
Rhodochrosite  (*)CalciteMn(CO3)262001711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)26200969
Silver  (*)CopperAg262005186
Spessartine  (*)GarnetMn2+3Al2(SiO4)3262001214
Sphalerite  (*)SphaleriteZnS2620021482
Tephroite  (*)OlivineMn2+2(SiO4)26200240
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13262005317


3 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
Giersdorf_00000596242022±2238U-206U uraniniteK-172 YesUraniniteUraniniteU4142Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USAHappy Jack MineMiller et al. (1963)10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2GSAB74_609Age given for U238-Pb206 analysis
Giersdorf_00000597262224±2235U-207Pb uraniniteK-172 YesUraniniteUraniniteU4142Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USAHappy Jack MineMiller et al. (1963)10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2GSAB74_609Age given for U235-Pb207 analysis
Giersdorf_00000598380280330±50207Pb-206PbThe Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methodslowuraniniteK-172 YesUraniniteUraniniteU4142Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USAHappy Jack MineMiller et al. (1963)10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2GSAB74_609Age given for Pb207-Pb206 analysis

SampleSource LocalityReference URL
FKM-195Sunnyside Mine Group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USAhttps://www.rockptx.com/fkm-176-to-fkm-200/#FKM-195

All locality data graciously provided by mindat.org

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