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:
Jamestown District, Boulder Co., Colorado, USA


mindat Locality ID: 28929
mindat URL: http://www.mindat.org/loc-28929.html

Tectonic Settings:

Total number of sublocalities beneath "Jamestown District, Boulder Co., Colorado, USA": 131
Total number of bottom-level sublocalities: 128

Number of Child Localities: 122
Child Localities:
Afterthought
All American; Durias; Gray Copper Occurrence
Argo Mine
Badger
Bananza
Big Bore Occurrence (L. R. Evans; Silver Ledge; Invincible; Buchannan; Terry; George Walker; Mark T. And Atkinson; Warren)
Bigthing Buckhorn
Black Hope No. One
Black Jack
Black Rose Mine
Bradshaw
Brown Spar (Browns Spar; Brownspar)
Buckingham (Hathaway Placers)
Buena Mine
Buena Vista Mine Nos. 1-2-3
Bueno (Buena Group)
Cal-Wood Mica Mine
Cashier
Castle Gulch
Chancellor (Allied Jamestown)
Clemens
Consolation Mine
December
Des Moines
Diana
Durias
Earl
Emely
Emmet
Energy Occurrence
Equator
Escanoba Mine
Fair Day Mine
Farmer Boy
Fidelity Lode Claim (Unnamed Cerite Deposits)
Flourspar
Fourth Of July Mine
Gibson Occurrence
Gladiator
Gladstone (Alice; McKinley Occurrence)
Gold Cross
Golden Age
Golden Fox (Baltimore Belle; Ten Forty; Amazon; Glenwood Occurrence)
Goldfinch
Gordova
Grand Central - Big Blossom
Grand Union
Green Spar
Heil
Hercules
Hill Gulch
Hopewell And Rusty
Inexco Mine
Ingersoll
Invincible Occurrence
Jamestown
Jimtown Mining Company
John Jay Mine
Jumbo
King Wilhelm Mine
L. Evans Lease Occurrence
Lady Bug Occurrence
LaSalle Mine Area
Last Chance Occurrence (Pine Shade)
Lehman Lode Occurrence
Leo The Lion Lode No. 1
Lewis Lode (Lewis No. 1 & 2; Lewis Slope)
Lily (Lily Of The West)
Little Bessie (Lee Placer; Buckingham Placer)
Little More
Longfellow
Lost Turn (Lafayette Occurrence)
Lucky Lode Occurrence
Lulu B. & Victory Claims (Gold Leaf Lode; Victory Group)
Majestic
Marc. No. 1 Occurrence
Maude S
Mikes Adit
Miller Group
Miranda A. Johnson Occurrence
Mt Pleasent
Nations Treasure (Nations Treasure Tunnel)
New Century Occurrence
North Soni Claim
North Sopi Occurrence
Northwestern (Stanislaus; Colorado; Simpson Placer)
Nugget Group
Orofino
Overland Mountain
Overland Occurrence
Pickett
Poorman Occurrence
Porphry Mountain
Red Spruce Occurrence
Rio Tinto
Rip Van Dam
Rusty Gold Mine (Copper Blush Occurrence)
Sancho Occurrence
Sentinel
Skunk Tunnel
Smuggler Mine
Spartan No. 5
Spruce Gulch Occurrence
Stanley Vein
Sunday Tungsten (Chance)
True Blue Occurrence (Pioneer Placer; Lafayette; Tony Placer; Consolidated Placer; Lee Placer)
Unknown Feldspar - Quartz Occurrence
Unknown Feldspar - Quartz Occurrence (MRDS - 10165727)
Unknown Gold Occurrence (MRDS - 10017004)
Unknown Gold Occurrence (MRDS - 10018024)
Unknown Gold Occurrence (MRDS - 10018032)
Unknown Gold Occurrence (MRDS - 10018037)
Unknown Gold Occurrence (MRDS - 10018052)
Unknown Gold Occurrence (MRDS - 10018061)
Unknown Gold Occurrence (MRDS - 10091435)
Unknown Quartz - Feldspar Occurrence (MRDS - 10238892)
Unknown Zinc - Lead (MRDS - 10018047)
Walker Tunnel
Warren Spar Occurrence
Willard Placer (Violet Ray; Amazon; Rose M.; Esmeralda; E. W. Cobb Placer; Huntington Placer)
Williamson
Yellow Girl (Allied Jamestown; Yellow Girl Tunnel)

Latitude: 40°7'19"N
Longitude: 105°22'50"W
Decimal Degree (lat, lon): 40.121944444444,-105.38055555556

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 Ce Cl Cu F Fe Ge H Hg K La Mg Mn Mo Na Ni O P Pb S Sb Si Sr Te Th U V W Y Zn 

Elements from minerals reported directly at this locality: Al Be Fe H Mn Na O Si W Y 

Structural Groups for minerals in this locality: 
AcanthiteAllaniteAllophaneAmphiboleApatiteAragoniteAtacamiteAutuniteBaryteBastnäsite
BuckhorniteCalciteCeriteChalcanthiteChalcopyriteClayClinozoisiteColumbiteCopperCorundum
CovelliteDigeniteEnargiteEpidoteEpsomiteFeldsparFluoriteFornaciteGadoliniteGatelite
GeocroniteGermaniteLillianiteLinariteMalachiteMeloniteMeneghiniteMicaMolybdeniteMonazite
NickelineNoneNot in a structural groupPerovskitePyriteQuartzRocksaltRutileSmectite-vermiculiteSphalerite
StanniteStibniteSulphurTetradymiteTetrahedriteWeberiteWurtziteZircon

97 IMA Minerals at location:
Acanthite  (*)Aikinite  (*)Albite  (*)Allanite-(Ce)  (*)Altaite  (*)
Anglesite  (*)Anhydrite  (*)Ankerite  (*)Arfvedsonite  (*)Aurichalcite  (*)
Autunite  (*)Azurite  (*)Baryte  (*)Bassetite  (*)Bastnäsite-(Ce)  (*)
Bismuthinite  (*)Bornite  (*)Briartite  (*)Britholite-(Ce)  (*)Buckhornite  (*)
Calaverite  (*)Calcite  (*)Celestine  (*)Cerite-(Ce)  (*)Cerussite  (*)
Chalcanthite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Coffinite  (*)
Coloradoite  (*)Covellite  (*)Cryolite  (*)Digenite  (*)Enargite  (*)
Epidote  (*)Ferberite  (*)Fizélyite  (*)Fluorbritholite-(Ce)  (*)Fluorite  (*)
Freibergite  (*)Gadolinite-(Y)  (*)Galena  (*)Gearksutite  (*)Geocronite  (*)
Germanite  (*)Gold  (*)Goslarite  (*)Hematite  (*)Hessite  (*)
Hübnerite  (*)Ilsemannite  (*)Krennerite  (*)Linarite  (*)Malachite  (*)
Melonite  (*)Mercury  (*)Microcline  (*)Molybdenite  (*)Monazite-(Ce)  (*)
Montmorillonite  (*)Muscovite  (*)Nagyágite  (*)Nontronite  (*)Orthoclase  (*)
Paratacamite  (*)Paratellurite  (*)Uranophane-β  (*)Perbøeite-(Ce)  (*)Petzite  (*)
Pyrargyrite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Renierite  (*)
Rickardite  (*)Riebeckite  (*)Roscoelite  (*)Siderite  (*)Silver  (*)
Sphalerite  (*)Stützite  (*)Sulphur  (*)Sylvanite  (*)Tellurantimony  (*)
Tellurite  (*)Tellurium  (*)Tennantite-(Fe)  (*)Tetradymite  (*)Tetrahedrite-(Zn)  (*)
Thorite  (*)Torbernite  (*)Törnebohmite-(Ce)  (*)Uraninite  (*)Uranophane-α  (*)
Villiaumite  (*)Weberite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S2184822,1848352793
Aikinite  (*)MeneghiniteCuPbBiS32184822,184831315
Albite  (*)FeldsparNa(AlSi3O8)11848758803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)6184827,184829,184875,184885,184886,184894706
Altaite  (*)RocksaltPbTe5184779,184806,184811,184835,184879489
Anglesite  (*)BarytePb(SO4)11848232734
Anhydrite  (*)Not in a structural groupCa(SO4)3184822,184832,1848781588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)24184781,184798,184830,1848353092
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)23184804,184822,184875295
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61184822919
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O3184802,184812,1848401272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211848235509
Baryte  (*)BaryteBa(SO4)2184772,18484811547
Bassetite  (*)NoneFe2+(UO2)2(PO4)2(H2O)10118486651
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F2184804,184827304
Bismuthinite  (*)StibniteBi2S32184822,1848821935
Bornite  (*)NoneCu5FeS411848225516
Briartite  (*)Stannite SphaleriteCu2FeGeS4118482212
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)2184804,184875115
Buckhornite  (*)Buckhornite(Pb2BiS3)(AuTe2)118483113
Calaverite  (*)MeloniteAuTe23184783,184831,184835361
Calcite  (*)CalciteCa(CO3)2184822,18487927770
Celestine  (*)BaryteSr(SO4)3184822,184832,1848781252
Cerite-(Ce)  (*)Cerite(Ce7Ca2)   Mg(SiO4)3(SiO3OH)4(OH)34184875,184885,184886,18489447
Cerussite  (*)AragonitePb(CO3)11848234979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1184822925
Chalcocite  (*)NoneCu2S11848395707
Chalcopyrite  (*)ChalcopyriteCuFeS215184772,184779,184785,184798,184811,184822,184823,184826,184828,184831,184832,184837,184848,184874,18487927198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11848233531
Coffinite  (*)ZirconU(SiO4)·nH2O2184802,184830566
Coloradoite  (*)SphaleriteHgTe4184779,184835,184841,184879169
Covellite  (*)CovelliteCuS11848314165
Cryolite  (*)PerovskiteNa2NaAlF6118482250
Digenite  (*)DigeniteCu1.8S11848221027
Enargite  (*)Enargite WurtziteCu3AsS42184772,184822910
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)4184804,184826,184827,1848758173
Ferberite  (*)ColumbiteFe2+(WO4)2184830,184864551
Fizélyite  (*)LillianiteAg5Pb14Sb21S48118483754
Fluorbritholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3F3184827,184829,18487519
Fluorite  (*)FluoriteCaF225184770,184772,184781,184783,184785,184789,184798,184802,184804,184822,184826,184827,184828,184829,184830,184831,184832,184848,184859,184864,184871,184875,184878,184882,1849009617
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S121184828663
Gadolinite-(Y)  (*)GadoliniteY2Fe2+Be2O2(SiO4)20163
Galena  (*)RocksaltPbS16184772,184781,184785,184789,184798,184811,184822,184823,184828,184830,184831,184832,184848,184864,184879,18490024243
Gearksutite  (*)NoneCaAlF4(OH)·H2O3184789,184822,18483268
Geocronite  (*)GeocronitePb14Sb6S232184822,184823133
Germanite  (*)Germanite SphaleriteCu13Fe2Ge2S162184822,18482333
Gold  (*)CopperAu37184771,184775,184779,184782,184785,184789,184806,184809,184811,184812,184815,184820,184825,184831,184837,184841,184846,184848,184849,184860,184863,184864,184868,184872,184874,184876,184879,184882,184884,184887,184888,184889,184890,184891,184892,184893,18489830554
Goslarite  (*)EpsomiteZn(SO4)·7H2O1184822188
Hematite  (*)CorundumFe2O32184798,18487914640
Hessite  (*)NoneAg2Te1184779804
Hübnerite  (*)ColumbiteMn2+(WO4)0469
Ilsemannite  (*)NoneMo3O8·nH2O (?)1184802123
Krennerite  (*)NoneAu3AgTe84184779,184785,184811,184835111
Linarite  (*)LinariteCuPb(SO4)(OH)21184823987
Malachite  (*)MalachiteCu2(CO3)(OH)2118482312537
Melonite  (*)MeloniteNiTe21184835207
Mercury  (*)NoneHg1184841397
Microcline  (*)FeldsparK(AlSi3O8)11848754924
Molybdenite  (*)MolybdeniteMoS22184820,1848375800
Monazite-(Ce)  (*)MonaziteCe(PO4)1184829945
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O11848201508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)28184772,184785,184820,184830,184832,184864,184875,18487917380
Nagyágite  (*)None[Pb3(Pb,Sb)3S6](Au,Te)33184779,184783,18483767
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O0471
Orthoclase  (*)FeldsparK(AlSi3O8)2184822,1848302349
Paratacamite  (*)AtacamiteCu3(Cu,Zn)Cl2(OH)61184835158
Paratellurite  (*)RutileTeO2118484120
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1184827144
Perbøeite-(Ce)  (*)Gatelite(CaCe3)(Al3Fe2+)(Si2O7)(SiO4)3O(OH)211848274
Petzite  (*)NoneAg3AuTe28184779,184783,184785,184806,184811,184835,184837,184879409
Pyrargyrite  (*)NoneAg3SbS311848221425
Pyrite  (*)PyriteFeS225184772,184779,184781,184785,184789,184798,184802,184811,184815,184820,184826,184827,184828,184830,184831,184832,184835,184837,184848,184864,184874,184875,184879,184882,18490039462
Pyrrhotite  (*)NickelineFe7S811848229056
Quartz  (*)QuartzSiO228184772,184779,184781,184783,184785,184789,184798,184802,184811,184815,184820,184822,184823,184827,184828,184829,184830,184831,184832,184835,184837,184848,184864,184871,184874,184879,184882,18490061156
Renierite  (*)Sphalerite Germanite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16118482337
Rickardite  (*)NoneCu3-xTe22184783,18484152
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21184822375
Roscoelite  (*)MicaKV3+2(Si3Al)O10(OH)22184783,184864253
Siderite  (*)CalciteFe(CO3)11848026417
Silver  (*)CopperAg4184823,184848,184864,1848795186
Sphalerite  (*)SphaleriteZnS11184772,184798,184802,184811,184822,184830,184831,184837,184848,184874,18487921482
Stützite  (*)NoneAg5-xTe3 (x = 0.24-0.36)118477992
Sulphur  (*)SulphurS11848222045
Sylvanite  (*)MeloniteAgAuTe49184779,184783,184785,184811,184828,184833,184835,184841,184879337
Tellurantimony  (*)TetradymiteSb2Te3118486529
Tellurite  (*)NoneTeO2118483552
Tellurium  (*)NoneTe4184811,184828,184833,184835190
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S134184772,184823,184828,1848311803
Tetradymite  (*)TetradymiteBi2Te2S3184785,184831,184882510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S134184798,184831,184848,1848745317
Thorite  (*)ZirconTh(SiO4)11848301006
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O4184798,184839,184840,1848591059
Törnebohmite-(Ce)  (*)FornaciteCe2Al(SiO4)2(OH)3184804,184827,18487523
Uraninite  (*)FluoriteUO210184798,184802,184804,184827,184829,184830,184832,184839,184859,1848752718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1184827890
Villiaumite  (*)RocksaltNaF118487131
Weberite  (*)WeberiteNa2MgAlF7118482213



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R050657Jamestown, Jamestown District, Boulder Co., Colorado, USAhttps://rruff.info/R050657


All locality data graciously provided by mindat.org

All age data...

Other copyright data...