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North Cliff Mine, Allouez Township, Keweenaw County, Michigan, USAi
Regional Level Types
North Cliff MineMine
Allouez TownshipTownship
Keweenaw CountyCounty
MichiganState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
47° 23' 9'' North , 88° 19' 35'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Ahmeek146 (2017)11.0km
Copper City187 (2017)12.3km
Calumet703 (2017)18.2km
Laurium1,941 (2017)18.7km
Lake Linden989 (2017)22.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Copper Country Rock and Mineral ClubDollar Bay, Michigan33km
Mindat Locality ID:
17078
Long-form identifier:
mindat:1:2:17078:2
GUID (UUID V4):
bff065f8-b72b-4e62-b5b1-f97cc9e57a6c


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

The North Cliff Mining Company was organized in 1858 to work the northern extension of the Cliff Fissure. After one year of work, the shareholders decided to dissolve the company and reincorporate as the Swamscott Mining Company; however, that same year (1859), a special act of legislature changed the name back to North Cliff. Work continued through 1861 when company funds were spent. The mine reopened in 1863 and sunk four shafts. Mining was sporadic, conducted between the company and on tribute, through 1899. The company attempted to reorganize in 1899, but failed to raise enough capital to proceed and shut down operations. If the location can be found, most minerals associated with the Cliff Fissure should be available to collect.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Azurite
Formula: Cu3(CO3)2(OH)2
Copper
Formula: Cu
Cuprite
Formula: Cu2O
Datolite
Formula: CaB(SiO4)(OH)
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Likasite
Formula: Cu3(NO3)(OH)5 · 2H2O
Malachite
Formula: Cu2(CO3)(OH)2
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Silver
Formula: Ag

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Likasite5.ND.05Cu3(NO3)(OH)5 · 2H2O
Group 9 - Silicates
Datolite9.AJ.20CaB(SiO4)(OH)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Analcime9.GB.05Na(AlSi2O6) · H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H AzuriteCu3(CO3)2(OH)2
H DatoliteCaB(SiO4)(OH)
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H LikasiteCu3(NO3)(OH)5 · 2H2O
H MalachiteCu2(CO3)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
NNitrogen
N LikasiteCu3(NO3)(OH)5 · 2H2O
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O AzuriteCu3(CO3)2(OH)2
O CupriteCu2O
O DatoliteCaB(SiO4)(OH)
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O LaumontiteCaAl2Si4O12 · 4H2O
O LikasiteCu3(NO3)(OH)5 · 2H2O
O MalachiteCu2(CO3)(OH)2
O PrehniteCa2Al2Si3O10(OH)2
FFluorine
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al LaumontiteCaAl2Si4O12 · 4H2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si DatoliteCaB(SiO4)(OH)
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si LaumontiteCaAl2Si4O12 · 4H2O
Si PrehniteCa2Al2Si3O10(OH)2
KPotassium
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca PrehniteCa2Al2Si3O10(OH)2
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu CupriteCu2O
Cu CopperCu
Cu LikasiteCu3(NO3)(OH)5 · 2H2O
Cu MalachiteCu2(CO3)(OH)2
AgSilver
Ag SilverAg

Localities in this Region

  • Michigan
    • Keweenaw County

Other Regions, Features and Areas containing this locality

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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