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Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA i
Regional Level Types
Buckhorn Mine Mine (Inactive)
Jamestown Village
Jamestown Mining District Mining District
Boulder County County
Colorado State
USA Country

Regional Level Types
Buckhorn Mine	Mine (Inactive)
Jamestown	Village
Jamestown Mining District	Mining District
Boulder County	County
Colorado	State
USA	Country

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Dumps of the Buckhorn mine East of Little James Creek

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Buckhornite, etc.

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Buckhornite, etc.

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Dumps of the Buckhorn mine East of Little James Creek

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Buckhornite, etc.

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Buckhornite, etc.

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Dumps of the Buckhorn mine East of Little James Creek

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Buckhornite, etc.

Buckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

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:

Place	Population	Distance
Jamestown	264 (2017)	1.5km
Bark Ranch	213 (2011)	3.6km
Lazy Acres	920 (2011)	6.7km
Gold Hill	230 (2011)	7.1km
Sunshine	230 (2011)	7.3km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
Flatirons Mineral Club	Boulder, Colorado	16km
Mile High Rock and Mineral Society	Arvada, Colorado	45km

Mindat Locality ID:

4445

Long-form identifier:

mindat:1:2:4445:8

GUID (UUID V4):

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

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

12 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

ⓘ Aikinite

Formula: PbCuBiS₃

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Buckhornite (TL)

Formula: AuPb₂BiTe₂S₃

Type Locality:

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Calaverite

Formula: AuTe₂

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Covellite

Formula: CuS

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Fluorite

Formula: CaF₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Galena

Formula: PbS

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Native Gold

Formula: Au

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Pyrite

Formula: FeS₂

References:

Can Min.:30:1039-1047.

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Quartz

Formula: SiO₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Sphalerite

Formula: ZnS

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ 'Tennantite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)As₄S₁₂S

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Tetradymite

Formula: Bi₂Te₂S

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Tetradymite	2.DC.05	Bi₂Te₂S
ⓘ	Calaverite	2.EA.10	AuTe₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	'Tennantite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
ⓘ	Aikinite	2.HB.05a	PbCuBiS₃
ⓘ	Buckhornite (TL)	2.HB.20b	AuPb₂BiTe₂S₃
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂

List of minerals for each chemical element

O	Oxygen
O	ⓘ Quartz	SiO₂
F	Fluorine
F	ⓘ Fluorite	CaF₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Aikinite	PbCuBiS₃
S	ⓘ Buckhornite	AuPb₂BiTe₂S₃
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Covellite	CuS
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
S	ⓘ Tetradymite	Bi₂Te₂S
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Aikinite	PbCuBiS₃
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Covellite	CuS
Cu	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Te	Tellurium
Te	ⓘ Buckhornite	AuPb₂BiTe₂S₃
Te	ⓘ Calaverite	AuTe₂
Te	ⓘ Tetradymite	Bi₂Te₂S
Au	Gold
Au	ⓘ Buckhornite	AuPb₂BiTe₂S₃
Au	ⓘ Calaverite	AuTe₂
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Aikinite	PbCuBiS₃
Pb	ⓘ Buckhornite	AuPb₂BiTe₂S₃
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Aikinite	PbCuBiS₃
Bi	ⓘ Buckhornite	AuPb₂BiTe₂S₃
Bi	ⓘ Tetradymite	Bi₂Te₂S

Other Regions, Features and Areas containing this locality

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Great Plains DomainDomain
Southern Rocky MountainsOrogenic Belt

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

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi: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.

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Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References