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Gratiot copper prospect, Gratiot area, Lafayette County, Wisconsin, USAi
Regional Level Types
Gratiot copper prospectProspect
Gratiot areaMining Area
Lafayette CountyCounty
WisconsinState
USACountry
Gratiot copper prospect, Gratiot area, Upper Mississippi Valley Zinc-Lead District, USA

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Latitude & Longitude (WGS84):
42° 35' North , 90° 1' West
Latitude & Longitude (decimal):
42.58333,-90.01667
GeoHash:
G#: 9zxfr85cg
GRN:
N29W48
Type:
Prospect
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Gratiot237 (2017)0.7km
Warren1,376 (2017)9.9km
Apple River356 (2017)11.0km
South Wayne479 (2017)11.3km
Darlington2,405 (2017)13.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Badger Lapidary & Geological Society, Inc.Monroe, Wisconsin31km
Northwest Illinois Rock ClubFreeport, Illinois45km
Mindat Locality ID:
25709
Long-form identifier:
mindat:1:2:25709:0
GUID (UUID V4):
0


Best known of a group of small copper mines in Sec 36 T2N R3E. The mine was operating in 1908-1910 and was reopened in the 1930's. The ore was as fracture fillings and replacement deposits in the Ordovician Platteville and Decorah Formations.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Copper
Formula: Cu
ⓘ Cuprite
Formula: Cu2O
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Hematite
Formula: Fe2O3
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Marcasite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
ⓘ Tenorite
Formula: CuO

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘCopper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘTenorite4.AB.10CuO
ⓘHematite4.CB.05Fe2O3
ⓘPyrolusite4.DB.05Mn4+O2
ⓘRomanèchite4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ CupriteCu2O
Oⓘ DolomiteCaMg(CO3)2
Oⓘ HematiteFe2O3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ PyrolusiteMn4+O2
Oⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Oⓘ TenoriteCuO
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ MarcasiteFeS2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
MnManganese
Mnⓘ PyrolusiteMn4+O2
Mnⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MarcasiteFeS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CupriteCu2O
Cuⓘ CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ TenoriteCuO
BaBarium
Baⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10

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

Heyl, Allen V., Agnew, Allen F., Lyons, Erwin J., Behre, Charles H., Flint, Arthur E. (1959) The Geology of the Upper Mississippi Valley Zinc-Lead District. Professional Paper 309. US Geological Survey doi:10.3133/pp309 pp.231-232
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