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:
Dorchester District, Gunnison Co., Colorado, USA


mindat Locality ID: 134331
mindat URL: http://www.mindat.org/loc-134331.html

Tectonic Settings:

Total number of sublocalities beneath "Dorchester District, Gunnison Co., Colorado, USA": 47
Total number of bottom-level sublocalities: 44

Number of Child Localities: 37
Child Localities:
Black Warrior Occurrence (Silver Lake; Bull Domingo; Falls)
Bull Domingo Shaft
Cement Creek
Clara L. Occurrence
Climax Mine (Climax Mines No. 1 2 3)
Colorado Mine
Creek Camp
Ender
Good Hope; Iron Mt. Occurrence
Hope Shaft Occurrence
Independent Shaft
Last Hope Mine
Missouri Hill
Mt. Tilton Occurrence
Mt. Vernon; Silver Tip; Charles H.; Climax; Mascot Occurrence
North Cement Creek
Sylvanite
Taylor Park
Taylor Peak
Taylor Peak Occurrence (Taylor River)
Tunnel Proposition
Unknown Gold (MRDS - 10118276)
Unknown Gold (MRDS - 10166690)
Unknown Gold (MRDS - 10166854)
Unknown Gold (MRDS - 10191496)
Unknown Gold (MRDS - 10239771)
Unknown Iron Occurrence (MRDS - 10016249)
Unknown Lead - Silver Occurrence (MRDS - 10016302)
Unknown Lead (MRDS - 10264224)
Unknown Silver - Iron Occurrence (MRDS - 10016207)
Unknown Silver - Lead Occurrence (MRDS - 10091067)
Unknown Silver - Nickel - Cobalt Occurrence (MRDS - 10091055)
Unknown Silver (MRDS - 10215007)
Unknown Silver (MRDS - 10215359)
Unknown Silver Occurrence (MRDS - 10016327)
Unknown Silver Occurrence (MRDS - 10091050)
Unknown Silver Occurrence (MRDS - 10091059)

Latitude: 38°56'4"N
Longitude: 106°47'48"W
Decimal Degree (lat, lon): 38.934444444444,-106.79666666667

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 B Ba C Ca Cl Cu F Fe H K Mg Mn Na O P Pb S Sb Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAmorphousAmphiboleAnalcimeApatiteAragoniteBaryteBerylBruciteCalcite
Cancrinite-sodaliteChloriteClayClinozoisiteCopperCorundumCyanotrichiteEpidoteFeldsparFluorite
GarnetKaoliniteMalachiteMicaNatroliteNickelineNoneNot in a structural groupOlivinePrehnite
PyritePyroxeneQuartzRocksaltSmectite-vermiculiteSodaliteSphaleriteSpinelTalcTetrahedrite
TitaniteTourmalineTridymiteVesuvianite

68 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Alabandite  (*)Albite  (*)Analcime  (*)
Andradite  (*)Anglesite  (*)Anhydrite  (*)Ankerite  (*)Anorthite  (*)
Anthophyllite  (*)Azurite  (*)Baryte  (*)Brucite  (*)Calcite  (*)
Cerussite  (*)Clinochlore  (*)Clinozoisite  (*)Cordierite  (*)Cyanotrichite  (*)
Diopside  (*)Dolomite  (*)Dravite  (*)Edenite  (*)Epidote  (*)
Fluorapatite  (*)Fluorite  (*)Forsterite  (*)Galena  (*)Graphite  (*)
Grossular  (*)Halite  (*)Haüyne  (*)Hematite  (*)Hemimorphite  (*)
Hisingerite  (*)Hydrozincite  (*)Ice  (*)Laumontite  (*)Lazurite  (*)
Magnetite  (*)Malachite  (*)Massicot  (*)Monticellite  (*)Orthoclase  (*)
Phlogopite  (*)Piemontite  (*)Prehnite  (*)Proustite  (*)Pyrargyrite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Sanidine  (*)Saponite  (*)
Schorl  (*)Scolecite  (*)Siderite  (*)Silver  (*)Smithsonite  (*)
Sphalerite  (*)Spinel  (*)Sylvite  (*)Talc  (*)Tetrahedrite-(Zn)  (*)
Titanite  (*)Tremolite  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11894432793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211894453419
Alabandite  (*)RocksaltMnS1189445312
Albite  (*)FeldsparNa(AlSi3O8)11894458803
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O11894451627
Andradite  (*)GarnetCa3Fe3+2(SiO4)311894451534
Anglesite  (*)BarytePb(SO4)2189434,1894472734
Anhydrite  (*)Not in a structural groupCa(SO4)11894451588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211894453092
Anorthite  (*)FeldsparCa(Al2Si2O8)11894451036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)22189433,189445718
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211894475509
Baryte  (*)BaryteBa(SO4)4189434,189443,189445,18944711547
Brucite  (*)BruciteMg(OH)21189445462
Calcite  (*)CalciteCa(CO3)3189443,189445,18944627770
Cerussite  (*)AragonitePb(CO3)2189434,1894474979
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)811894451756
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)2189445,1894501025
Cordierite  (*)BerylMg2Al4Si5O1811894451008
Cyanotrichite  (*)CyanotrichiteCu4Al2(SO4)(OH)12(H2O)21189447179
Diopside  (*)PyroxeneCaMgSi2O62189445,1894464135
Dolomite  (*)NoneCaMg(CO3)211894459895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)1189445648
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)21189445160
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)4189433,189439,189445,1894528173
Fluorapatite  (*)ApatiteCa5(PO4)3F11894452740
Fluorite  (*)FluoriteCaF211894459617
Forsterite  (*)OlivineMg2(SiO4)2189445,1894461188
Galena  (*)RocksaltPbS2189447,18945124243
Graphite  (*)NoneC11894452812
Grossular  (*)GarnetCa3Al2(SiO4)311894451544
Halite  (*)RocksaltNaCl11894451398
Haüyne  (*)Sodalite Cancrinite-sodaliteNa3Ca(Si3Al3)O12(SO4)3189445,189446,189449158
Hematite  (*)CorundumFe2O3118944514640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O11894471689
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O2189445,189446144
Hydrozincite  (*)NoneZn5(CO3)2(OH)611894471066
Ice  (*)Amorphous TridymiteH2O118944559
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O11894451271
Lazurite  (*)Cancrinite-sodalite SodaliteNa7Ca(Al6Si6O24)(SO4)(S3)1-·H2O3189445,189446,18944937
Magnetite  (*)SpinelFe2+Fe3+2O44189440,189445,189453,18945614899
Malachite  (*)MalachiteCu2(CO3)(OH)2118944712537
Massicot  (*)NonePbO1189445202
Monticellite  (*)OlivineCaMg(SiO4)1189445153
Orthoclase  (*)FeldsparK(AlSi3O8)11894452349
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)22189445,1894462273
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)1189445260
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)211894451898
Proustite  (*)NoneAg3AsS31189443733
Pyrargyrite  (*)NoneAg3SbS32189434,1894431425
Pyrite  (*)PyriteFeS24189443,189445,189446,18944739462
Pyrrhotite  (*)NickelineFe7S811894459056
Quartz  (*)QuartzSiO24189433,189443,189445,18945261156
Sanidine  (*)FeldsparK(AlSi3O8)1189445598
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O1189445301
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)11894452705
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O1189445390
Siderite  (*)CalciteFe(CO3)11894456417
Silver  (*)CopperAg9189427,189443,189464,189466,189467,189468,189471,189472,1894735186
Smithsonite  (*)CalciteZn(CO3)2189434,1894472473
Sphalerite  (*)SphaleriteZnS2189445,18944721482
Spinel  (*)SpinelMgAl2O411894451934
Sylvite  (*)RocksaltKCl1189445275
Talc  (*)Clay TalcMg3Si4O10(OH)211894453337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311894515317
Titanite  (*)TitaniteCaTi(SiO4)O11894454899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211894452562
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1011894451395



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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