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Mesnard Mine (Quincy No. 8 shaft), Franklin Township, Houghton County, Michigan, USAi
Regional Level Types
Mesnard Mine (Quincy No. 8 shaft)Mine
Franklin TownshipTownship
Houghton CountyCounty
MichiganState
USACountry

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Latitude & Longitude (WGS84):
47° 9' 2'' North , 88° 33' 42'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Hancock4,555 (2017)3.0km
Houghton7,970 (2017)3.3km
Dollar Bay1,082 (2017)5.2km
Hubbell946 (2017)10.3km
South Range746 (2017)10.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Copper Country Rock and Mineral ClubDollar Bay, Michigan5km
Mindat Locality ID:
33664
Long-form identifier:
mindat:1:2:33664:3
GUID (UUID V4):
0


Introduction
An underground copper mine located approximately one mile north of the No. 2 Shafthouse.

History
Originally organized as the Mesnard Mining Company in 1859, it was taken over by the Pewabic Mining Company in 1876 and later sold to Quincy Mining Company in 1897, thus becoming Quincy No. 8 Shaft. The shaft was extended to the 86th level, or approximately 8,600 feet on the incline (6,000 feet vertical). In the late 1970s and early 1980s, the Homestake Mining Company dewatered the shaft to the 22nd level to explore for additional copper ore, but this proved unsuccessful and the shaft was allowed to refill with water. Today, the mine is owned by the Quincy Mine Hoist Association and is therefore on private property. The steel headframe onsite is a relict of the Homestake exploration.

Production
Between 1863 and 1877, the mine produced 84,000 pounds of refined copper.

For the Collector
Though rare, beautiful datolite nodules can be found on the surface as well as some copper; however, permission MUST be obtained before making entry. Trespassing on the property will result in arrest and prosecution.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


4 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Datolite9.AJ.20CaB(SiO4)(OH)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H DatoliteCaB(SiO4)(OH)
H PrehniteCa2Al2Si3O10(OH)2
BBoron
B DatoliteCaB(SiO4)(OH)
OOxygen
O DatoliteCaB(SiO4)(OH)
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
AlAluminium
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si DatoliteCaB(SiO4)(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
CuCopper
Cu Native CopperCu

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

 
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