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South Cliff Mine, Phoenix, Keweenaw Co., Michigan, USAi
Regional Level Types
South Cliff MineMine
Phoenix- not defined -
Keweenaw Co.County
MichiganState
USACountry

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Key
Latitude & Longitude (WGS84):
47° 22' 12'' North , 88° 18' 44'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Ahmeek146 (2017)10.1km
Copper City187 (2017)11.1km
Calumet703 (2017)17.4km
Laurium1,941 (2017)17.7km
Lake Linden989 (2017)20.8km


In 1852, the North American Mining Company began transitioning their work from the "Old" North American Mine to the Cliff Vein where it crossed their property, and thus the South Cliff Mine was born. By 1855, all work had shifted to the South Cliff and the Sump Shaft, the deepest of the five shafts the company was working. Prosperity did not last long as the fissure vein became poor in copper with depth and the mine was purchased by the Cliff Mining Company in 1860, but was never worked by the company, instead being leased on tribute. The mine was worked sporadically until 1892 when the Tamarack Mining Company bought the property, which was later absorbed by the Calumet and Hecla Mining Company in Calumet.

Some good micro coppers have been collected, as can some odd mineral for the Keweenaw such as sphalerite, pyrite, and galena.

Note: The coordinates listed are for the piles along the snowmobile trail near Shaft No. 2, the most easily accessed piles.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Commodity List

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


Mineral List


12 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
'Chlorite Group'
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Copper
Formula: Cu
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Datolite
Formula: CaB(SiO4)(OH)
Reference: Visual identification by Jim Gawura
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Galena
Formula: PbS
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
'Hornblende'
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Kinoite
Formula: Ca2Cu2(H2O)2[Si3O10]
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Pyrite
Formula: FeS2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Quartz
Formula: SiO2
Reference: Visual identification by Jim Gawura
Silver
Formula: Ag
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 385-489
Sphalerite
Formula: ZnS
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 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Datolite9.AJ.20CaB(SiO4)(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kinoite9.BH.10Ca2Cu2(H2O)2[Si3O10]
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Hornblende'-

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 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 57 - SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups
Insular Si3O10 and Larger Noncyclic Groups with [Si3O10] groups
Kinoite57.1.2.1Ca2Cu2(H2O)2[Si3O10]
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)
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 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
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Hornblende'-

List of minerals for each chemical element

HHydrogen
H KinoiteCa2Cu2(H2O)2[Si3O10]
H PrehniteCa2Al2Si3O10(OH)2
H LaumontiteCaAl2Si4O12 · 4H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H DatoliteCaB(SiO4)(OH)
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
OOxygen
O KinoiteCa2Cu2(H2O)2[Si3O10]
O CalciteCaCO3
O PrehniteCa2Al2Si3O10(OH)2
O LaumontiteCaAl2Si4O12 · 4H2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O DatoliteCaB(SiO4)(OH)
O QuartzSiO2
AlAluminium
Al PrehniteCa2Al2Si3O10(OH)2
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si KinoiteCa2Cu2(H2O)2[Si3O10]
Si PrehniteCa2Al2Si3O10(OH)2
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si DatoliteCaB(SiO4)(OH)
Si QuartzSiO2
SSulfur
S PyriteFeS2
S GalenaPbS
S SphaleriteZnS
CaCalcium
Ca KinoiteCa2Cu2(H2O)2[Si3O10]
Ca CalciteCaCO3
Ca PrehniteCa2Al2Si3O10(OH)2
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca DatoliteCaB(SiO4)(OH)
FeIron
Fe PyriteFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu KinoiteCa2Cu2(H2O)2[Si3O10]
Cu CopperCu
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
PbLead
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
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.
Robinson, G.W. (2004) Mineralogy of Michigan by E.W. Heinrich (2nd edition). A.E. Seaman Mineral Museum, Michigan Technological University, Houghton, Michigan, 252 pages.
Stevens, H.J. (1902) The Copper Handbook, Vol 2. Mining Gazette Press, Houghton, Michigan. 494 pages.
Clarke, D.H. (1976) Copper Mines of Keweenaw: The Cliff Mine, No. 16. Self-Published. 32 pages.
Kaminski-Hamka, T. (2011) The Copper Mines of Keweenaw County, Michigan. Copperlady Press. 150 pages.

External Links


Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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