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:
Mount Bross, Alma District, Park Co., Colorado, USA

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

mindat Locality ID: 69311
mindat URL: http://www.mindat.org/loc-69311.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Bross, Alma District, Park Co., Colorado, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Detroit City Mine
Dolly Varden Mine (Varden Mine)
Kentucky Belle Mine
Kite Lake
Moose Mine
Pulaski Claim
Queen Mary Mine
Sweet Home Mine (Home Sweet Home Mine; Sweet Home Lode And Pulaski Lode [Patents 106 And 107])
Tanner Boy Mine
Three Rivers Mine

Latitude: 39°19'38"N
Longitude: 106°6'57"W
Decimal Degree (lat, lon): 39.327222222222,-106.11583333333
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 Ba Be Bi C Ca Cd Cu F Fe H K Mg Mn Mo O P Pb S Sb Si Sn Sr Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteApatiteAragoniteBaryteBranneriteCalciteCancrinite-sodaliteChalcopyriteClay
ClinozoisiteColumbiteCopperCorundumCovelliteDevillineDiasporeDigeniteEnargiteEpidote
FluoriteKaoliniteMalachiteMeneghiniteMicaMolybdeniteNoneNot in a structural groupPyriteQuartz
RocksaltRutileScheeliteSodaliteSphaleriteSulphurTetrahedriteTopazTripliteWurtzite
ZinkeniteZircon

59 IMA Minerals at location:
Aikinite  (*)Anglesite  (*)Ankerite  (*)Azurite  (*)Baryte  (*)
Bornite  (*)Brannerite  (*)Calcite  (*)Cerussite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chrysocolla  (*)Covellite  (*)Cuprite  (*)Dickite  (*)
Digenite  (*)Dolomite  (*)Enargite  (*)Epidote  (*)Ferrimolybdite  (*)
Fluorapatite  (*)Fluorite  (*)Freibergite  (*)Galena  (*)Goethite  (*)
Goyazite  (*)Greenockite  (*)Helvine  (*)Hematite  (*)Hübnerite  (*)
Jamesonite  (*)Jarosite  (*)Kutnohorite  (*)Malachite  (*)Mawsonite  (*)
Molybdenite  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)Rhodochrosite  (*)
Rutile  (*)Scheelite  (*)Serpierite  (*)Silver  (*)Smithsonite  (*)
Sphalerite  (*)Spionkopite  (*)Stephanite  (*)Stromeyerite  (*)Sulphur  (*)
Svanbergite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Topaz  (*)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
Aikinite  (*)MeneghiniteCuPbBiS326261194503315
Anglesite  (*)BarytePb(SO4)262611945032734
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)226262194496,1945033092
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22194497,1945005509
Baryte  (*)BaryteBa(SO4)26263194497,194500,19450311547
Bornite  (*)NoneCu5FeS426263194496,194503,1945045516
Brannerite  (*)BranneriteUTi2O626261194503248
Calcite  (*)CalciteCa(CO3)26264194496,194497,194500,19450327770
Cerussite  (*)AragonitePb(CO3)262611945034979
Chalcocite  (*)NoneCu2S2194497,1945005707
Chalcopyrite  (*)ChalcopyriteCuFeS226267194496,194497,194498,194499,194500,194503,19450427198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O262611945033531
Covellite  (*)CovelliteCuS26263194497,194500,1945034165
Cuprite  (*)Not in a structural groupCu2O262611945032970
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)426262194496,194503651
Digenite  (*)DigeniteCu1.8S262611945031027
Dolomite  (*)NoneCaMg(CO3)226264194496,194497,194500,1945039895
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  (*)FluoriteCaF226265194496,194498,194499,194503,1945049617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S1226261194503663
Galena  (*)RocksaltPbS26266194496,194497,194499,194500,194503,19450424243
Goethite  (*)DiasporeFeO(OH)2194497,1945007437
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)626262194496,194503173
Greenockite  (*)WurtziteCdS26261194503717
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S26261194503237
Hematite  (*)CorundumFe2O326262194496,19450314640
Hübnerite  (*)ColumbiteMn2+(WO4)26263194496,194503,194504469
Jamesonite  (*)NonePb4FeSb6S1426261194503784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)62194497,1945002228
Kutnohorite  (*)NoneCaMn2+(CO3)226261194503234
Malachite  (*)MalachiteCu2(CO3)(OH)226264194496,194497,194500,19450312537
Mawsonite  (*)NoneCu6Fe2SnS82626119450392
Molybdenite  (*)MolybdeniteMoS226262194499,1945035800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)226262194496,19450317380
Pyrite  (*)PyriteFeS226265194496,194498,194499,194503,19450439462
Quartz  (*)QuartzSiO226264194496,194499,194503,19450461156
Rhodochrosite  (*)CalciteMn(CO3)26264194496,194499,194503,1945041711
Rutile  (*)RutileTiO2262611945035614
Scheelite  (*)ScheeliteCa(WO4)262611945034894
Serpierite  (*)DevillineCa(Cu,Zn)4(SO4)2(OH)6·3H2O26261194503292
Silver  (*)CopperAg262611945035186
Smithsonite  (*)CalciteZn(CO3)262611945032473
Sphalerite  (*)SphaleriteZnS26264194496,194499,194503,19450421482
Spionkopite  (*)NoneCu39S282626119450373
Stephanite  (*)NoneAg5SbS42194497,194500586
Stromeyerite  (*)NoneCuAgS26261194503332
Sulphur  (*)SulphurS262611945032045
Svanbergite  (*)AluniteSrAl3(SO4)(PO4)(OH)626262194496,194503105
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1326262194496,1945031803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1326263194496,194497,1945035317
Topaz  (*)TopazAl2SiO4F2262611945031476
Triplite  (*)TripliteMn2+2(PO4)F26261194503233
Uraninite  (*)FluoriteUO211944982718
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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