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Quincy Mine, Hancock, Houghton Co., Michigan, USA

This page kindly sponsored by Paul Brandes
Key
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Latitude & Longitude (WGS84): 47° 8' 12'' North , 88° 34' 29'' West
Latitude & Longitude (decimal): 47.13667,-88.57500
GeoHash:G#: f03h0kvwu
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


An underground copper mine that began exploration in 1846 and organized in 1848. Began operations working a fissure vein of native copper until 1856 when the Pewabic amygdaloid lode was discovered crossing the property. Operated continuosly from 1848 to 1931. Closed from 1931 to 1937, then re-opened from 1937 to 1945. 9 shafts were driven; 2 of these shafts, #2 and #6, reached 9,280 ft. deep on the incline (approx. 6,800 ft vertical). No. 7 shaft is unique in that is was driven on a catenary curve. In 99 years of operation, Quincy produced 424,000 tons of native copper from the underground workings. A large amount of native silver was also recovered from the mine. Starting in 1947 and continuing through 1968, another 50,000 tons of copper was recovered from reclamation activities in Torch Lake. Small pieces of copper, silver, and datolite can be found in the parking lots around the #2 shafthouse and the hoist building. Today the mine is owned by the Quincy Mine Hoist Association, which gives surface and underground tours of the mine during the summer months.

Regions containing this locality

Keweenaw Peninsula, Michigan, USA

Peninsula - 238 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

20 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Dana 6: 505, 1086; Rocks & Min.: 58: 109 & 124.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Dana 6: 1086.
Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Chabazite'
Reference: Tschernich, R. (1992): Zeolites of the World, 115
'Chlorite Group'
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Dana 6: 1086.
Copper
Formula: Cu
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489; Rocks & Min.: 21:664
Cuprite
Formula: Cu2O
Reference: Dana 6: 505, 1086; Rocks & Min.: 58: 109 & 124.
Datolite
Formula: CaB(SiO4)(OH)
Reference: Rocks & Min.: 21:664.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: No reference listed
Gypsum
Formula: CaSO4 · 2H2O
Reference: Rocks & Min.: 21:664.
Halite
Formula: NaCl
Reference: Dana 6: 505, 1086; Rocks & Min.: 58: 109 & 124.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Dana 6: 505, 1086; Rocks & Min.: 58: 109 & 124.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Dana 6: 505, 1086; Rocks & Min.: 58: 109 & 124.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: R&M 73:3 p189
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Dana 6: 1086.
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Pumpellyite-(Mg) var: Chlorastrolite
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Quartz
Formula: SiO2
Shuiskite ?
Formula: Ca2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
Silver
Formula: Ag
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Silver1.AA.05Ag
Group 3 - Halides
Halite3.AA.20NaCl
Paratacamite3.DA.10cCu3(Cu,Zn)(OH)6Cl2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Calcite'5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Analcime'9.GB.05Na(AlSi2O6) · H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Datolite9.AJ.20CaB(SiO4)(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Pumpellyite-(Mg)9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
var: Chlorastrolite9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Shuiskite ?9.BG.20Ca2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
Unclassified Minerals, Rocks, etc.
'Chabazite'-
Chlorite Group-

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
Silver1.1.1.2Ag
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Paratacamite10.1.2.1Cu3(Cu,Zn)(OH)6Cl2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Pumpellyite-(Mg)58.2.2.7Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Shuiskite ?58.2.2.9Ca2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
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
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Chlorite Group'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Pumpellyite-(Mg)
var: Chlorastrolite
-Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H AzuriteCu3(CO3)2(OH)2
H Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H DatoliteCaB(SiO4)(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H GypsumCaSO4 · 2H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H ParatacamiteCu3(Cu,Zn)(OH)6Cl2
H PrehniteCa2Al2Si3O10(OH)2
H Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AzuriteCu3(CO3)2(OH)2
O CalciteCaCO3
O Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O CupriteCu2O
O DatoliteCaB(SiO4)(OH)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O GypsumCaSO4 · 2H2O
O LaumontiteCaAl2Si4O12 · 4H2O
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O ParatacamiteCu3(Cu,Zn)(OH)6Cl2
O PrehniteCa2Al2Si3O10(OH)2
O Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
Na HaliteNaCl
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al LaumontiteCaAl2Si4O12 · 4H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si DatoliteCaB(SiO4)(OH)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si LaumontiteCaAl2Si4O12 · 4H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
SSulfur
S GypsumCaSO4 · 2H2O
ClChlorine
Cl HaliteNaCl
Cl ParatacamiteCu3(Cu,Zn)(OH)6Cl2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Ca DatoliteCaB(SiO4)(OH)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca GypsumCaSO4 · 2H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Ca ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
CrChromium
Cr ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CopperCu
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
Cu ParatacamiteCu3(Cu,Zn)(OH)6Cl2
ZnZinc
Zn ParatacamiteCu3(Cu,Zn)(OH)6Cl2
AgSilver
Ag SilverAg

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Stenian
1000 - 1200 Ma



ID: 3184728
Mesoproterozoic volcanic rocks

Age: Stenian (1000 - 1200 Ma)

Comments: Mid-Continent Rift

Lithology: Bimodal volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Stenian
1000 - 1200 Ma



ID: 2928161
Portage Lake Volcanics

Age: Stenian (1000 - 1200 Ma)

Stratigraphic Name: Portage Lake Volcanics

Description: Lava flows, mostly basalt, andesite and felsite flows and subordinate interflow sedimentary rocks.

Comments: This unit is the same as unit Yp on paper map of Sims (1992). Description is taken from that unit description. Original map source: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 19

Lithology: Major:{basalt}, Minor:{basaltic andesite}, Incidental:{rhyolite, sandstone mudstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Henwood, W.J. (1871): Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1), 385-489.
Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.
Kilpela, T, 1995, The Hard Rock Mining Era in the Copper Country. 89 pp.
Lankton, L.D., and Hyde, C.K., 1982, Old Reliable, The Quincy Mine Hoist Association, Hancock, MI, 159 pp.
Tschernich, R. (1992): Zeolites of the World, 115
The Mineralogical Record: 23: 42-50.

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