Movatterモバイル変換

[0]ホーム
URL:

Log InRegister
AboutSupport UsPhotosDiscussionsSearchLearnMore
Quick Links :The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USAi
Regional Level Types
Buckhorn MineMine (Inactive)
JamestownVillage
Jamestown Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

This page is currently not sponsored.Click here to sponsor this page.
PhotosMapsSearch
Standard
All Photos (4)Specimen Photos (3)Locality Photos (1)Photos by ColorGalleryPhoto StatisticsAdd Photo
Map PagesNearest Localities
Mineral SearchSimilar LocalitiesNearest LocalitiesPredictive MineralogySearch GoogleType Localities in Region
Latitude & Longitude (WGS84):
40° 7' 35'' North , 105° 23' 54'' West
Latitude & Longitude (decimal):
40.12650,-105.39855
GRN:
N27W59
Type:
Mine (Inactive) - last checked 2023
Deposit first discovered:
1873
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Jamestown264(2017)1.5km
Bark Ranch213(2011)3.6km
Lazy Acres920(2011)6.7km
Gold Hill230(2011)7.1km
Sunshine230(2011)7.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado16km
Mile High Rock and Mineral SocietyArvada, Colorado45km
Mindat Locality ID:
4445
Long-form identifier:
mindat:1:2:4445:8
GUID (UUID V4):
0


Abandoned lead-silver property. Gold mineralisation associated with pyrite. Caved shaft, dumps and building foundations East of Little James Creek.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAikinite
Formula:PbCuBiS3
ⓘBuckhornite (TL)
Formula:AuPb2BiTe2S3
Type Locality:
ⓘCalaverite
Formula:AuTe2
ⓘChalcopyrite
Formula:CuFeS2
ⓘCovellite
Formula:CuS
ⓘFluorite
Formula:CaF2
ⓘGalena
Formula:PbS
ⓘNative Gold
Formula:Au
ⓘPyrite
Formula:FeS2
ⓘQuartz
Formula:SiO2
ⓘSphalerite
Formula:ZnS
ⓘ'Tennantite Subgroup'
Formula:Cu6(Cu4C2+2)As4S12S
ⓘTetradymite
Formula:Bi2Te2S
ⓘ'Tetrahedrite Subgroup'
Formula:Cu6(Cu4C2+2)Sb4S12S

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘTetradymite2.DC.05Bi2Te2S
ⓘCalaverite2.EA.10AuTe2
ⓘPyrite2.EB.05aFeS2
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘAikinite2.HB.05aPbCuBiS3
ⓘBuckhornite (TL)2.HB.20bAuPb2BiTe2S3
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
OⓘQuartzSiO2
FFluorine
FⓘFluoriteCaF2
SiSilicon
SiⓘQuartzSiO2
SSulfur
SⓘAikinitePbCuBiS3
SⓘBuckhorniteAuPb2BiTe2S3
SⓘChalcopyriteCuFeS2
SⓘCovelliteCuS
SⓘGalenaPbS
SⓘPyriteFeS2
SⓘSphaleriteZnS
SⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
SⓘTetradymiteBi2Te2S
SⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CaCalcium
CaⓘFluoriteCaF2
FeIron
FeⓘChalcopyriteCuFeS2
FeⓘPyriteFeS2
CuCopper
CuⓘAikinitePbCuBiS3
CuⓘChalcopyriteCuFeS2
CuⓘCovelliteCuS
CuⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
CuⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
ZnⓘSphaleriteZnS
AsArsenic
AsⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
SbAntimony
SbⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
TeⓘBuckhorniteAuPb2BiTe2S3
TeⓘCalaveriteAuTe2
TeⓘTetradymiteBi2Te2S
AuGold
AuⓘBuckhorniteAuPb2BiTe2S3
AuⓘCalaveriteAuTe2
AuⓘNative GoldAu
PbLead
PbⓘAikinitePbCuBiS3
PbⓘBuckhorniteAuPb2BiTe2S3
PbⓘGalenaPbS
BiBismuth
BiⓘAikinitePbCuBiS3
BiⓘBuckhorniteAuPb2BiTe2S3
BiⓘTetradymiteBi2Te2S

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado.Professional Paper 223. US Geological Surveydoi:10.3133/pp223
Francis, C.A., Criddle, A.J., Stanley, C.J., Lange, D.E., Shieh, S., Francis, J.G. (1992) Buckhornite, AuPb2BiTe2S3, a new mineral species from Boulder County, Colorado, and new data for aikinite, tetradymite, and calaverite. The Canadian Mineralogist: 30: 1039-1047.
Quick NavTopMineral ListOther RegionsReferences
 
and/or 
Mindat.org is an outreach project of theHudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, 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 byJolyon Ralph.
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/vulnerabilityCurrent server date and time: November 28, 2025 21:05:48 Page updated: August 26, 2025 13:45:32