LIVE REPORT! Munich Show 2026 - last updated 0 minutes ago. Click here to watch.
Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Alma Lincoln Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USAi
Regional Level Types
Alma Lincoln MineMine
Idaho Springs Mining District (Virginia Mining District)Mining District
Clear Creek CountyCounty
ColoradoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
05910240017272244454735.jpg
Waste Rock

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
09597400017272244469843.jpg
Alma Lincoln Mine

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
09883300017272244477446.jpg
Workings and Geologic Map

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
05910240017272244454735.jpg
Waste Rock

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
09597400017272244469843.jpg
Alma Lincoln Mine

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
09883300017272244477446.jpg
Workings and Geologic Map

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
05910240017272244454735.jpg
Waste Rock

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
09597400017272244469843.jpg
Alma Lincoln Mine

Alma Lincoln Mine, Idaho Springs Mining District, Clear Creek County, Colorado, USA
Latitude & Longitude (WGS84):
39° 44' 57'' North , 105° 33' 1'' West
Latitude & Longitude (decimal):
39.74931,-105.55030
GeoHash:
G#: 9xhfnhhse
GRN:
N27W59
Type:
Mine
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Idaho Springs1,728 (2017)3.2km
Downieville-Lawson-Dumont594 (2011)6.0km
Central City724 (2017)6.6km
Black Hawk125 (2017)7.2km
Saint Marys283 (2011)11.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado38km
Mile High Rock and Mineral SocietyArvada, Colorado40km
Colorado Mineral SocietyLakewood, Colorado40km
Littleton Gem and Mineral Club, Inc.Littleton, Colorado48km
Denver Gem and Mineral GuildDenver, Colorado48km
Mindat Locality ID:
107381
Long-form identifier:
mindat:1:2:107381:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Alma-Lincoln Mine


Located on S side of Clear Creek,about 1 mile W of Idaho Springs,in NW1/4,sect.34,T.3S.,R.73W.,at an elevatoin of about 8000'.
Consists of 3 adits,all connected by crosscuts and raises.
Explored 5 viens(Lincoln,South Lincoln,Josephine,Elliot&Barker,Donna Juanita).
Production (1902-1950)=10689 tons of ore,yeilding:41074 ozs.Au,170169 ozs.Ag,443238 lbs.Cu,2064999 lbs.Pb,and 78384 lbs.Zn.
Reference:USGS OFR 66-87(Moench,1966)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


22 valid minerals.

Detailed Mineral List:

ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bayleyite
Formula: Mg2(UO2)(CO3)3 · 18H2O
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Covellite
Formula: CuS
ⓘ Enargite
Formula: Cu3AsS4
ⓘ Galena
Formula: PbS
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Pearceite
Formula: [Ag6As2S7][Ag9CuS4]
ⓘ Polybasite
Formula: [Ag6Sb2S7][Ag9CuS4]
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrobitumen'
ⓘ 'Pyrobitumen var. Thucholite'
ⓘ Quartz
Formula: SiO2
ⓘ Schröckingerite
Formula: NaCa3(UO2)(CO3)3(SO4)F · 10H2O
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ Uraninite
Formula: UO2
ⓘ Uraninite var. Pitchblende
Formula: UO2
ⓘ Zippeite
Formula: K3(UO2)4(SO4)2O3(OH) · 3H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘPearceite2.GB.15[Ag6As2S7][Ag9CuS4]
ⓘPolybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
ⓘEnargite2.KA.05Cu3AsS4
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘUraninite
var. Pitchblende		4.DL.05UO2
ⓘ4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘCerussite5.AB.15PbCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘBayleyite5.ED.05Mg2(UO2)(CO3)3 · 18H2O
ⓘSchröckingerite5.EG.05NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘZippeite7.EC.05K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Unclassified
ⓘ'Limonite'-
ⓘ'Pyrobitumen
var. Thucholite'		-
ⓘ''-

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BayleyiteMg2(UO2)(CO3)3 · 18H2O
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ BayleyiteMg2(UO2)(CO3)3 · 18H2O
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BayleyiteMg2(UO2)(CO3)3 · 18H2O
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Uraninite var. PitchblendeUO2
Oⓘ QuartzSiO2
Oⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Oⓘ SideriteFeCO3
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ UraniniteUO2
Oⓘ ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
FFluorine
Fⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
NaSodium
Naⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
MgMagnesium
Mgⓘ BayleyiteMg2(UO2)(CO3)3 · 18H2O
SiSilicon
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ EnargiteCu3AsS4
Sⓘ GalenaPbS
Sⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Sⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sⓘ PyriteFeS2
Sⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Sⓘ SphaleriteZnS
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Sⓘ ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
KPotassium
Kⓘ ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ CalciteCaCO3
Caⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ EnargiteCu3AsS4
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Cuⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ EnargiteCu3AsS4
Asⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
AgSilver
Agⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Agⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
SbAntimony
Sbⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ BayleyiteMg2(UO2)(CO3)3 · 18H2O
Uⓘ Uraninite var. PitchblendeUO2
Uⓘ SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2
Uⓘ ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
Quick NavTopMineral ListOther RegionsReferences
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 22, 2026 07:05:59 Page updated: August 20, 2025 04:04:07
Go to top of page