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:
Alma District, Park Co., Colorado, USA

Oldest recorded age at locality: 26
Youngest recorded age at locality: 26

mindat Locality ID: 22397
mindat URL: http://www.mindat.org/loc-22397.html

Tectonic Settings:

Total number of sublocalities beneath "Alma District, Park Co., Colorado, USA": 65
Total number of bottom-level sublocalities: 56

Number of Child Localities: 31
Child Localities:
Alma
Black Eagle
Boston And New York Placer
Buckskin Joe Mine (Buckskin Joe; Phillips Mine)
Harrisburg & Gettysberg
Johnson Shaft
Lee Goss Mine
Lincoln Gulch
London Mountain
Lone Jack
Lone Star Claim
McCoy Shaft
Mineral Park Placer
Morning Star - Cresskill Groups
Mount Bross
Mount Lincoln
New York Mountain
Otis Shaft
Rainbow Mine
Rhodochrosite Mine
Sacramento
Sheep Mountain
Unknown Iron (MRDS - 10118063)
Unknown Iron (MRDS - 10118500)
Unknown Uranium (MRDS - 10118362)
Unknown Zinc - Lead (MRDS - 10016033)
Wagner Mine
Walker & Buffalo Head Mine
Weber Shaft
White Swan Occurrence
Wyandotte Mine

Latitude: 39°18'47"N
Longitude: 106°6'4"W
Decimal Degree (lat, lon): 39.313055555556,-106.10111111111
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 Cd Cu F Fe H K Mg Mn Mo O P Pb S Sb Si Sn Sr Te Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: C Cu H Mn O P S U Zn 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAluniteApatiteAragoniteBaryteBranneriteCalciteCancrinite-sodaliteChalcanthite
ChalcopyriteClayClinozoisiteColumbiteCopperCorundumCovelliteDevillineDiasporeDigenite
EnargiteEpidoteFluoriteGypsumJalpaiteKaoliniteMalachiteMarcasiteMelanteriteMelonite
MeneghiniteMicaMolybdeniteNickelineNoneNot in a structural groupPolybasitePyriteQuartzRocksalt
RutileScheeliteSodaliteSphaleriteSulphurTetrahedriteTopazTripliteWurtziteZinkenite
Zircon

77 IMA Minerals at location:
Acanthite  (*)Aikinite  (*)Alabandite  (*)Altaite  (*)Anglesite  (*)
Ankerite  (*)Aragonite  (*)Aurichalcite  (*)Azurite  (*)Baryte  (*)
Bornite  (*)Brannerite  (*)Calcite  (*)Cerussite  (*)Chalcanthite  (*)
Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Covellite  (*)Cuprite  (*)
Dickite  (*)Digenite  (*)Dolomite  (*)Enargite  (*)Epidote  (*)
Ferrimolybdite  (*)Fluorapatite  (*)Fluorite  (*)Freibergite  (*)Galena  (*)
Goethite  (*)Gold  (*)Goyazite  (*)Greenockite  (*)Gypsum  (*)
Helvine  (*)Hematite  (*)Hessite  (*)Hübnerite  (*)Jalpaite  (*)
Jamesonite  (*)Jarosite  (*)Kutnohorite  (*)Malachite  (*)Marcasite  (*)
Matildite  (*)Mawsonite  (*)Melanterite  (*)Molybdenite  (*)Muscovite  (*)
Petzite  (*)Polybasite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodochrosite  (*)Rutile  (*)Scheelite  (*)Serpierite  (*)Silver  (*)
Smithsonite  (*)Sphalerite  (*)Spionkopite  (*)Stephanite  (*)Stromeyerite  (*)
Sulphur  (*)Svanbergite  (*)Sylvanite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)
Topaz  (*)Torbernite  (*)Triplite  (*)Uraninite  (*)Xenotime-(Y)  (*)
Zinkenite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S2194477,1945252793
Aikinite  (*)MeneghiniteCuPbBiS326262194474,194503315
Alabandite  (*)RocksaltMnS26260312
Altaite  (*)RocksaltPbTe1194510489
Anglesite  (*)BarytePb(SO4)26263194472,194503,1945092734
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)226262194496,1945033092
Aragonite  (*)AragoniteCa(CO3)11945183250
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)626260919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)23194497,194500,1945095509
Baryte  (*)BaryteBa(SO4)26268194469,194476,194497,194500,194503,194511,194518,19452511547
Bornite  (*)NoneCu5FeS426264194496,194503,194504,1945295516
Brannerite  (*)BranneriteUTi2O626261194503248
Calcite  (*)CalciteCa(CO3)26266194472,194496,194497,194500,194503,19450927770
Cerussite  (*)AragonitePb(CO3)26262194469,1945034979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1194482925
Chalcocite  (*)NoneCu2S3194497,194500,1945115707
Chalcopyrite  (*)ChalcopyriteCuFeS2262619194466,194470,194471,194472,194474,194476,194482,194485,194496,194497,194498,194499,194500,194503,194504,194509,194511,194515,19451627198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O262611945033531
Covellite  (*)CovelliteCuS26266194472,194477,194497,194500,194503,1945114165
Cuprite  (*)Not in a structural groupCu2O262611945032970
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)426262194496,194503651
Digenite  (*)DigeniteCu1.8S26262194471,1945031027
Dolomite  (*)NoneCaMg(CO3)2262610194471,194472,194477,194482,194496,194497,194500,194503,194518,1945259895
Enargite  (*)Enargite WurtziteCu3AsS426261194503910
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)262611945038173
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O26261194503345
Fluorapatite  (*)ApatiteCa5(PO4)3F26262194496,1945032740
Fluorite  (*)FluoriteCaF226267194496,194498,194499,194503,194504,194515,1945169617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S1226262194503,194511663
Galena  (*)RocksaltPbS262622194468,194469,194471,194472,194474,194477,194479,194482,194487,194493,194496,194497,194499,194500,194503,194504,194509,194511,194516,194518,194525,19452924243
Goethite  (*)DiasporeFeO(OH)3194487,194497,1945007437
Gold  (*)CopperAu13194466,194470,194471,194473,194474,194475,194476,194478,194481,194507,194508,194509,19451030554
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)626262194496,194503173
Greenockite  (*)WurtziteCdS26261194503717
Gypsum  (*)GypsumCa(SO4)·2H2O11945116890
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S26261194503237
Hematite  (*)CorundumFe2O326262194496,19450314640
Hessite  (*)NoneAg2Te1194510804
Hübnerite  (*)ColumbiteMn2+(WO4)26265194479,194489,194496,194503,194504469
Jalpaite  (*)JalpaiteAg3CuS21194471116
Jamesonite  (*)NonePb4FeSb6S1426261194503784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)62194497,1945002228
Kutnohorite  (*)NoneCaMn2+(CO3)226261194503234
Malachite  (*)MalachiteCu2(CO3)(OH)226266194496,194497,194500,194503,194509,19451112537
Marcasite  (*)MarcasiteFeS211944875674
Matildite  (*)NoneAgBiS21194474252
Mawsonite  (*)NoneCu6Fe2SnS82626119450392
Melanterite  (*)MelanteriteFe(SO4)·7H2O1194482915
Molybdenite  (*)MolybdeniteMoS226262194499,1945035800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)226263194496,194503,19450917380
Petzite  (*)NoneAg3AuTe21194510409
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]1194471716
Pyrite  (*)PyriteFeS2262618194466,194469,194470,194471,194474,194476,194477,194482,194485,194496,194498,194499,194503,194504,194509,194511,194518,19452539462
Pyrrhotite  (*)NickelineFe7S82194466,1944859056
Quartz  (*)QuartzSiO2262617194469,194471,194472,194474,194477,194478,194496,194499,194503,194504,194507,194508,194509,194510,194513,194518,19452561156
Rhodochrosite  (*)CalciteMn(CO3)26266194496,194499,194503,194504,194511,1945161711
Rutile  (*)RutileTiO2262611945035614
Scheelite  (*)ScheeliteCa(WO4)262611945034894
Serpierite  (*)DevillineCa(Cu,Zn)4(SO4)2(OH)6·3H2O26261194503292
Silver  (*)CopperAg26264194469,194470,194471,1945035186
Smithsonite  (*)CalciteZn(CO3)262611945032473
Sphalerite  (*)SphaleriteZnS262614194469,194471,194472,194477,194482,194487,194496,194499,194503,194504,194509,194511,194525,19452921482
Spionkopite  (*)NoneCu39S282626119450373
Stephanite  (*)NoneAg5SbS42194497,194500586
Stromeyerite  (*)NoneCuAgS26262194471,194503332
Sulphur  (*)SulphurS262611945032045
Svanbergite  (*)AluniteSrAl3(SO4)(PO4)(OH)626262194496,194503105
Sylvanite  (*)MeloniteAgAuTe41194510337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1326265194471,194477,194496,194503,1945251803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1326268194471,194472,194482,194496,194497,194503,194511,1945165317
Topaz  (*)TopazAl2SiO4F2262611945031476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O262601059
Triplite  (*)TripliteMn2+2(PO4)F26261194503233
Uraninite  (*)FluoriteUO25194467,194474,194478,194498,1945082718
Xenotime-(Y)  (*)ZirconY(PO4)26261194503939
Zinkenite  (*)ZinkenitePb9Sb22S4226261194503228
Zircon  (*)ZirconZr(SiO4)262611945035251


1 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
Bradley_2012_141262626±0Ar/Ar k-feldspar     3690Sweet Home Mine (Home Sweet Home Mine; Sweet Home Lode And Pulaski Lode [Patents 106 And 107]), Mount Bross, Alma District, Park Co., Colorado, USASweet Home MineMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 

SampleSource LocalityReference URL
R050019Sweet Home Mine (Home Sweet Home Mine; Sweet Home Lode And Pulaski Lode [Patents 106 And 107]), Mount Bross, Alma District, Park Co., Colorado, USAhttps://rruff.info/R050019

All locality data graciously provided by mindat.org

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