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Wyandot Mine, Twin Lakes, Houghton Co., Michigan, USAi
Regional Level Types
Wyandot MineMine
Twin LakesGroup of Lakes
Houghton Co.County
MichiganState
USACountry

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Key
Latitude & Longitude (WGS84):
46° 53' 27'' North , 88° 52' 35'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
South Range746 (2017)26.6km
Baraga1,996 (2017)32.0km
Ontonagon1,324 (2017)33.3km
Hancock4,555 (2017)34.5km
Houghton7,970 (2017)34.7km


Commodities (Major) - Copper
Deposit Type: Secondary Enrichment
Development Status: Past Producer
Deposit Model: 96: Native Cu
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt

An underground copper mine consisting of at least 11 different shafts located near Twin Lakes. The Wyandot Copper Company was organized in 1899 on lands that were previously mined under the names of Escanaba and the Copper Mining Company. The Wyandot began working a line of ancient pits that was thought to follow the Winona Lode. A shaft was sunk on one of the pits and became the company’s Shaft No. 1. In 1900, several test pits were excavated when the Winona Lode was definitively located. Mining operations were shifted around over the next 10 years to follow the richest parts of the lode. By 1911, there were 11 shafts in operation with one of the shafts reaching 1,100 feet deep and several hundred feet of drifting. Three of these shafts were named the Wyandot, the Misery River, and the Section 16. Operations at the mine were suspended in 1918 when a shortage of labor hit the company. The company was dissolved in 1927 after no mining activity had taken place in almost 10 years. When the piles can be located, copper, calcite, and epidote can be collected.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


5 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Chlorite Group'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Copper
Formula: Cu
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'K Feldspar'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Pumpellyite-(Mg)9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'K Feldspar'-

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 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
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
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'K Feldspar'-

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O QuartzSiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
MgMagnesium
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
SiSilicon
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CaCalcium
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu CopperCu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
COPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE WINONA (NW 1/4) QUADRANGLE, HOUGHTON COUNTY, MICHIGAN. GEOLOGY MAPPED AND COMPILED BY COPPER EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)
Kaminski-Hamka, T., 2011, Copper Mines of Houghton County, Michigan. Copperlady Press, 120 pp.
Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.
DeGood, L., 2011, Michigan Copper Mining Stocks and Bonds. 401 pp.
The Copper Country Rock & Mineral Club, 2001, Red Gold and Tarnished Silver, 2nd Ed., 44 pp.

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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