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Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill Mining District, Boulder Co., Colorado, USA i
Regional Level Types
Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond) Mine
Gold Hill Mining District Mining District
Boulder Co. County
Colorado State
USA Country

Regional Level Types
Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond)	Mine
Gold Hill Mining District	Mining District
Boulder Co.	County
Colorado	State
USA	Country

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Key

Hessite

Ingram mine, Gold Hill Mining District, Boulder Co., Colorado, USA

Hessite

Ingram mine, Gold Hill Mining District, Boulder Co., Colorado, USA

Hessite

Ingram mine, Gold Hill Mining District, Boulder Co., Colorado, USA

Latitude & Longitude (WGS84):

40° 3' 7'' North , 105° 23' 12'' West

Latitude & Longitude (decimal):

G#: 9xj5cg5z2

Locality type:

Köppen climate type:

BSk : Cold semi-arid (steppe) climate

Nearest Settlements:

Place	Population	Distance
Sunshine	230 (2011)	2.3km
Gold Hill	230 (2011)	2.3km
Crisman	186 (2011)	2.5km
Mountain Meadows	274 (2011)	3.2km
Sugarloaf	261 (2011)	4.3km

REF:Deposit:: LOVERING AND GODDARD, 1950, USGS P. P. 223, PL 23
Deposit:: CONSV. DIV. COMP. DATE, 10,62
Commodities (Major) - Gold
Development Status: Occurrence

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Gold

Mineral List

18 valid minerals.

Detailed Mineral List:

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Calaverite

Formula: AuTe₂

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Chalcopyrite

Formula: CuFeS₂

Reference: Minerals of Colorado (1997) E.B. Eckel; U.S. Geological Survey Professional Paper 223

ⓘ Coloradoite

Formula: HgTe

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Galena

Formula: PbS

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Gold

Formula: Au

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

Hessite

Ingram mine, Gold Hill Mining District, Boulder Co., Colorado, USA

ⓘ Hessite

Formula: Ag₂Te

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Melonite

Formula: NiTe₂

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Muscovite var: Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Nagyágite

Formula: [Pb₃(Pb,Sb)₃S₆](Au,Te)₃

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Petzite

Formula: Ag₃AuTe₂

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Pyrargyrite

Formula: Ag₃SbS₃

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ Pyrite

Formula: FeS₂

Reference: Minerals of Colorado (1997) E.B. Eckel; U.S. Geological Survey Professional Paper 223

ⓘ Quartz

Formula: SiO₂

Reference: Minerals of Colorado (1997) E.B. Eckel; U.S. Geological Survey Professional Paper 223

ⓘ Rhodochrosite

Formula: MnCO₃

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Sphalerite

Formula: ZnS

Reference: U.S. Geological Survey Professional Paper 223

ⓘ Sylvanite

Formula: (Au,Ag)₂Te₄

Reference: Minerals of Colorado (1997) E.B. Eckel; U.S. Geological Survey Professional Paper 223

ⓘ Tellurium

Formula: Te

Reference: Minerals of Colorado (1997) E.B. Eckel

ⓘ 'Tetrahedrite'

Formula: Cu₆(Cu₄X₂)Sb₄S₁₃

Reference: U.S. Geological Survey Professional Paper 223

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	Tellurium	1.CC.10	Te
Group 2 - Sulphides and Sulfosalts
ⓘ	Calaverite	2.EA.10	AuTe₂
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Coloradoite	2.CB.05a	HgTe
ⓘ	Galena	2.CD.10	PbS
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Melonite	2.EA.20	NiTe₂
ⓘ	Nagyágite	2.HB.20a	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Pyrargyrite	2.GA.05	Ag₃SbS₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Sylvanite	2.EA.05	(Au,Ag)₂Te₄
ⓘ	'Tetrahedrite'	2.GB.05	Cu₆(Cu₄X₂)Sb₄S₁₃
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var: Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
ⓘ	Gold	1.1.1.1	Au
Semi-metals and non-metals
ⓘ	Tellurium	1.3.4.2	Te
Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 2:1
ⓘ	Hessite	2.4.2.1	Ag₂Te
ⓘ	Petzite	2.4.3.3	Ag₃AuTe₂
A_mX_p, with m:p = 1:1
ⓘ	Coloradoite	2.8.2.5	HgTe
ⓘ	Galena	2.8.1.1	PbS
ⓘ	Sphalerite	2.8.2.1	ZnS
A_mB_nX_p, with (m+n):p = 1:1
ⓘ	Chalcopyrite	2.9.1.1	CuFeS₂
A_mB_nX_p, with (m+n):p = 2:3
ⓘ	Nagyágite	2.11.10.1	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Calaverite	2.12.13.2	AuTe₂
ⓘ	Melonite	2.12.14.1	NiTe₂
ⓘ	Pyrite	2.12.1.1	FeS₂
ⓘ	Sylvanite	2.12.13.3	(Au,Ag)₂Te₄
Group 3 - SULFOSALTS
3 <ø < 4
ⓘ	'Tetrahedrite'	3.3.6.1	Cu₆(Cu₄X₂)Sb₄S₁₃
ø = 3
ⓘ	Pyrargyrite	3.4.1.2	Ag₃SbS₃
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
ⓘ	Rhodochrosite	14.1.1.4	MnCO₃
AB(XO₃)₂
ⓘ	Ankerite	14.2.1.2	Ca(Fe²⁺,Mg)(CO₃)₂
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
ⓘ	Muscovite	71.2.2a.1	KAl₂(AlSi₃O₁₀)(OH)₂
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
ⓘ	Quartz	75.1.3.1	SiO₂
Unclassified Minerals, Mixtures, etc.
ⓘ	Muscovite var: Sericite	-	KAl₂(AlSi₃O₁₀)(OH)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Quartz	SiO₂
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Al	Aluminium
Al	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Pyrargyrite	Ag₃SbS₃
S	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
S	ⓘ Pyrite	FeS₂
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Tetrahedrite	Cu₆(Cu₄X₂)Sb₄S₁₃
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Muscovite (var: Sericite)	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mn	Manganese
Mn	ⓘ Rhodochrosite	MnCO₃
Fe	Iron
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ni	Nickel
Ni	ⓘ Melonite	NiTe₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Tetrahedrite	Cu₆(Cu₄X₂)Sb₄S₁₃
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Pyrargyrite	Ag₃SbS₃
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Sylvanite	(Au,Ag)₂Te₄
Ag	ⓘ Petzite	Ag₃AuTe₂
Sb	Antimony
Sb	ⓘ Pyrargyrite	Ag₃SbS₃
Sb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Sb	ⓘ Tetrahedrite	Cu₆(Cu₄X₂)Sb₄S₁₃
Te	Tellurium
Te	ⓘ Melonite	NiTe₂
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Te	ⓘ Sylvanite	(Au,Ag)₂Te₄
Te	ⓘ Tellurium	Te
Te	ⓘ Coloradoite	HgTe
Te	ⓘ Calaverite	AuTe₂
Te	ⓘ Petzite	Ag₃AuTe₂
Au	Gold
Au	ⓘ Gold	Au
Au	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Au	ⓘ Sylvanite	(Au,Ag)₂Te₄
Au	ⓘ Calaverite	AuTe₂
Au	ⓘ Petzite	Ag₃AuTe₂
Hg	Mercury
Hg	ⓘ Coloradoite	HgTe
Pb	Lead
Pb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Pb	ⓘ Galena	PbS

References

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U.S. Geological Survey Professional Paper 223

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