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:
Gladstone, Eureka District, San Juan Co., Colorado, USA

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

mindat Locality ID: 24746
mindat URL: http://www.mindat.org/loc-24746.html

Tectonic Settings:

Total number of sublocalities beneath "Gladstone, Eureka District, San Juan Co., Colorado, USA": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Black Hawk; Occidental
Bonita Peak
Galtie Boy - Hercules Mine
Gladstone Mine
Gold King Mine (Gold King Extension)
Poughkeepsie Gulch
Sunnyside Extension Mine

Latitude: 37°53'27"N
Longitude: 107°38'23"W
Decimal Degree (lat, lon): 37.890833333333,-107.63972222222
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: 

Structural Groups for minerals in this locality: 
AcanthiteBaryteCalciteCancrinite-sodaliteChalcanthiteChalcopyriteClayClinozoisiteColumbiteCopper
CorundumEpidoteFluoriteGarnetGypsumHumiteKaoliniteLinariteMeloniteMeneghinite
MicaMolybdeniteNickelineNoneNot in a structural groupOlivinePyritePyrosmaliteQuartzRhodonite
RocksaltSodaliteSphaleriteTetrahedriteWollastonite

46 IMA Minerals at location:
Acanthite  (*)Aikinite  (*)Alabandite  (*)Alleghanyite  (*)Altaite  (*)
Anhydrite  (*)Baryte  (*)Bornite  (*)Bustamite  (*)Calaverite  (*)
Calcite  (*)Chalcanthite  (*)Chalcopyrite  (*)Copper  (*)Epidote  (*)
Fluorite  (*)Freibergite  (*)Friedelite  (*)Galena  (*)Gold  (*)
Gypsum  (*)Helvine  (*)Hematite  (*)Hessite  (*)Hübnerite  (*)
Kaolinite  (*)Krennerite  (*)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  (*)AcanthiteAg2S262011963242793
Aikinite  (*)MeneghiniteCuPbBiS326201196324315
Alabandite  (*)RocksaltMnS26201196324312
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)22620119632477
Altaite  (*)RocksaltPbTe26201196327489
Anhydrite  (*)Not in a structural groupCa(SO4)262011963241588
Baryte  (*)BaryteBa(SO4)2620119632411547
Bornite  (*)NoneCu5FeS4262011963245516
Bustamite  (*)WollastoniteMn2Ca2MnCa(Si3O9)226201196326101
Calaverite  (*)MeloniteAuTe226202196324,196327361
Calcite  (*)CalciteCa(CO3)2620119632427770
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O26201196327925
Chalcopyrite  (*)ChalcopyriteCuFeS226202196322,19632427198
Copper  (*)CopperCu26202196324,1963293846
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)262011963248173
Fluorite  (*)FluoriteCaF226203196324,196325,1963299617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S1226201196324663
Friedelite  (*)Pyrosmalite ClayMn2+8Si6O15(OH)102620119632440
Galena  (*)RocksaltPbS26203196322,196324,19632524243
Gold  (*)CopperAu26203196324,196327,19632930554
Gypsum  (*)GypsumCa(SO4)·2H2O262011963246890
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S26201196324237
Hematite  (*)CorundumFe2O32620119632414640
Hessite  (*)NoneAg2Te26201196327804
Hübnerite  (*)ColumbiteMn2+(WO4)26202196324,196325469
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4262011963245591
Krennerite  (*)NoneAu3AgTe826201196327111
Kutnohorite  (*)NoneCaMn2+(CO3)226201196324234
Linarite  (*)LinariteCuPb(SO4)(OH)226201196324987
Minohlite  (*)None(Cu,Zn)7(SO4)2(OH)10·8H2O262011963245
Molybdenite  (*)MolybdeniteMoS226202196324,1963295800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22620119632417380
Nantokite  (*)SphaleriteCuCl2620119632435
Gersdorffite-Pa3  (*)PyriteNiAsS26202196324,196327767
Petzite  (*)NoneAg3AuTe226202196324,196327409
Pyrite  (*)PyriteFeS226202196324,19632639462
Pyroxmangite  (*)NoneMn2+SiO326201196324147
Pyrrhotite  (*)NickelineFe7S8262011963249056
Quartz  (*)QuartzSiO226204196324,196325,196326,19632961156
Rhodochrosite  (*)CalciteMn(CO3)26202196324,1963291711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)26201196324969
Silver  (*)CopperAg26202196324,1963295186
Spessartine  (*)GarnetMn2+3Al2(SiO4)3262011963241214
Sphalerite  (*)SphaleriteZnS26205196322,196324,196325,196326,19632921482
Tephroite  (*)OlivineMn2+2(SiO4)26201196324240
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1326203196324,196325,1963295317


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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