Group 2 - Sulphides and Sulfosalts
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.00.05	SiO₂
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Tridymite	4.DA.10	SiO₂
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Goethite	4.FD.10	Fe³⁺O(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Nesquehonite	5.CA.05	MgCO₃ · 3H₂O
ⓘ	Monohydrocalcite	5.CB.20	CaCO₃ · H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Aluminoceladonite	9.EC.15	K(MgAl◻)(Si₄O₁₀)(OH)₂
ⓘ	Nontronite	9.EC.40	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Saponite	9.EC.45	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
Group 10 - Organic Compounds
ⓘ	Weddellite	10.AB.40	Ca(C₂O₄) · (2.5-x)H₂O
Unclassified
ⓘ	'Limonite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Monohydrocalcite	CaCO₃ · H₂O
H	ⓘ Nesquehonite	MgCO₃ · 3H₂O
H	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Weddellite	Ca(C₂O₄) · (2.5-x)H₂O
H	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Monohydrocalcite	CaCO₃ · H₂O
C	ⓘ Nesquehonite	MgCO₃ · 3H₂O
C	ⓘ Rhodochrosite	MnCO₃
C	ⓘ Weddellite	Ca(C₂O₄) · (2.5-x)H₂O
O	Oxygen
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Aragonite	CaCO₃
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Cristobalite	SiO₂
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Monohydrocalcite	CaCO₃ · H₂O
O	ⓘ Nesquehonite	MgCO₃ · 3H₂O
O	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Tridymite	SiO₂
O	ⓘ Weddellite	Ca(C₂O₄) · (2.5-x)H₂O
O	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
Na	Sodium
Na	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mg	Magnesium
Mg	ⓘ Nesquehonite	MgCO₃ · 3H₂O
Mg	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
Al	Aluminium
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrite	FeS₂
K	Potassium
K	ⓘ Sanidine	K(AlSi₃O₈)
K	ⓘ Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Monohydrocalcite	CaCO₃ · H₂O
Ca	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Weddellite	Ca(C₂O₄) · (2.5-x)H₂O
Mn	Manganese
Mn	ⓘ Rhodochrosite	MnCO₃
Fe	Iron
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Fossils

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Localities in this Region

USA

Montana
- Park County
  - Horseshoe District
    - Hidden Lake

Other Regions, Features and Areas that Intersect

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Middle Rocky MountainsOrogenic Belt
Wyoming DomainDomain

USA

Absaroka RangeMountain Range
Western Phosphate fieldMineral Province

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Horseshoe District, Park County, Montana, USAiRegional Level TypesHorseshoe DistrictMining District Park CountyCounty MontanaState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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List of minerals for each chemical element

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Horseshoe District, Park County, Montana, USA i
Regional Level Types
Horseshoe District Mining District
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