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Waterbury Mine, Keweenaw Co., Michigan, USAi
Regional Level Types
Waterbury MineMine
Keweenaw Co.County
MichiganState
USACountry

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Key
Latitude & Longitude (WGS84):
47° 25' 8'' North , 88° 7' 58'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Copper Harbor108 (2017)19.2km
Ahmeek146 (2017)23.9km
Copper City187 (2017)24.4km
Calumet703 (2017)30.9km
Laurium1,941 (2017)30.9km


An underground copper mine consisting of two shafts located near Delaware. The Waterbury Mining Company was organized in 1850 on lands adjacent to the Delaware property. The company worked several ancient mining pits on copper rich veins between 1850 and 1854 with no success. Work was sporadic at best until 1864 when the company was bought out by the Eagle Harbor Mining Company and renamed the Middlesex Mining Company. The piles are easily accessible with copper, datolite, and calcite available.




Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Copper
Formula: Cu
Reference: Paul T. Brandes
Datolite
Formula: CaB(SiO4)(OH)
Reference: Personally collected by Paul T. Brandes
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Yalmer Primeau collection
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: Yalmer Primeau collection
Pumpellyite-(Mg) var: Chlorastrolite
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: Yalmer Primeau collection
Tenorite
Formula: CuO
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Tenorite4.AB.10CuO
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Datolite9.AJ.20CaB(SiO4)(OH)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Pumpellyite-(Mg)9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
var: Chlorastrolite9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 4 - SIMPLE OXIDES
AX
Tenorite4.2.3.1CuO
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Pumpellyite-(Mg)58.2.2.7Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Unclassified Minerals, Mixtures, etc.
Pumpellyite-(Mg)
var: Chlorastrolite
-Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O

List of minerals for each chemical element

HHydrogen
H PrehniteCa2Al2Si3O10(OH)2
H DatoliteCaB(SiO4)(OH)
H MalachiteCu2(CO3)(OH)2
H Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
H Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O TenoriteCuO
O CalciteCaCO3
O PrehniteCa2Al2Si3O10(OH)2
O DatoliteCaB(SiO4)(OH)
O MalachiteCu2(CO3)(OH)2
O Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
O Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
MgMagnesium
Mg Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
AlAluminium
Al PrehniteCa2Al2Si3O10(OH)2
Al Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Al Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
SiSilicon
Si PrehniteCa2Al2Si3O10(OH)2
Si DatoliteCaB(SiO4)(OH)
Si Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Si Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CaCalcium
Ca CalciteCaCO3
Ca PrehniteCa2Al2Si3O10(OH)2
Ca DatoliteCaB(SiO4)(OH)
Ca Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Ca Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CuCopper
Cu TenoriteCuO
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kaminski-Hamka, T., 2011, The Copper Mines of Keweenaw County, Michigan. Copperlady Press, 150 pp.
Leskinen, D., 2011, A Billion Years of Copper Country History. 134 pp.
Clarke, D.H., 1975, Copper Mines of Keweenaw; The Eagle Harbor Mining Co., no. 8, 16 pp.
Clarke, D.H., 1987, Rockhound Guide to Keweenaw County 2, 28 pp.

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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