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Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA i
Regional Level Types
Mount Bohemia Mountain
Lac La Belle Unincorporated Community
Grant Township Township
Keweenaw County County
Michigan State
USA Country

Regional Level Types
Mount Bohemia	Mountain
Lac La Belle	Unincorporated Community
Grant Township	Township
Keweenaw County	County
Michigan	State
USA	Country

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Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Mendota Mine rockpile

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Latitude & Longitude (WGS84):

47° 23' 30'' North , 88° 0' 47'' West

Latitude & Longitude (decimal):

Type:

Köppen climate type:

Dfb : Warm-summer humid continental climate

Nearest Settlements:

Place	Population	Distance
Copper Harbor	108 (2017)	12.7km
Copper City	187 (2017)	30.6km
Ahmeek	146 (2017)	30.7km
Laurium	1,941 (2017)	36.7km
Calumet	703 (2017)	36.9km

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

Club	Location	Distance
Copper Country Rock and Mineral Club	Dollar Bay, Michigan	48km

Mindat Locality ID:

55679

Long-form identifier:

mindat:1:2:55679:7

GUID (UUID V4):

A diorite and granophyre intrusive complex.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Copper

Mineral List

Mineral list contains entries from the region specified including sub-localities

26 valid minerals.

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

Localities:

Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Locality: Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si₂O₈]

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Baryte

Formula: BaSO₄

Localities:

Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Bornite

Formula: Cu₅FeS₄

Localities:

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Calcite

Formula: CaCO₃

Localities:

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Chalcocite

Formula: Cu₂S

Localities:

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ 'Chlorite Group'

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Locality: Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Rosemeyer, Tom (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District (Part 1) Rocks & Minerals, 84 (4) 298-306 doi:10.3200/rmin.84.4.298-306part1

ⓘ Covellite

Formula: CuS

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Cuprite

Formula: Cu₂O

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Digenite

Formula: Cu₉S₅

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Djurleite

Formula: Cu₃₁S₁₆

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ 'Fayalite-Forsterite Series'

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ 'Feldspar Group'

Locality: Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Galena

Formula: PbS

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Hematite

Formula: Fe₂O₃

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ 'K Feldspar'

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Laumontite

Formula: CaAl₂Si₄O₁₂ · 4H₂O

Localities:

Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities:

Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Localities:

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Habit: tufts to 1cm

Description: Best in Michigan

ⓘ Native Copper

Formula: Cu

Locality: Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Native Silver

Formula: Ag

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ 'Pumpellyite Subgroup'

Formula: Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Pyrite

Formula: FeS₂

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Quartz

Formula: SiO₂

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Sphalerite

Formula: ZnS

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

ⓘ Titanite

Formula: CaTi(SiO₄)O

Locality: Mount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

References:

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

Gallery:

Cu₂Sⓘ Chalcocite

Chalcocite

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Chalcocite

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Chalcocite

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1ⓘ Chrysocolla

Chrysocolla, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Chrysocolla, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Chrysocolla, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Cu₂(CO₃)(OH)₂ⓘ Malachite

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

Malachite, etc.

Mendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Silver	1.AA.05	Ag
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Djurleite	2.BA.05	Cu₃₁S₁₆
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	Albite var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'K Feldspar'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Cuprite	Cu₂O
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Quartz	SiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Fayalite-Forsterite Series
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Fayalite-Forsterite Series
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Covellite	CuS
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Djurleite	Cu₃₁S₁₆
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ti	Titanium
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Fayalite-Forsterite Series
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Cu	ⓘ Covellite	CuS
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Djurleite	Cu₃₁S₁₆
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Native Silver	Ag
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Pb	Lead
Pb	ⓘ Galena	PbS

Localities in this Region

USA

Michigan
- Keweenaw County
  - Grant Township
    - Lac La Belle
      - Mount Bohemia
        Mendota Mine
        Mount Bohemia Mine

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Mid-continent DomainDomain
Mid-continent RiftNarrow Rift

USA

Michigan
- Keweenaw PeninsulaPeninsula
Midcontinent RiftGeologic Province

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

Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings, 40 (2). Institute on Lake Superior Geology. 1-185

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