Cottrell Mine, Berkshire Mine, Buck Group, Gaastra, Iron County, Michigan, USAi
Regional Level Types | |
---|---|
Cottrell Mine | Mine |
Berkshire Mine | Mine |
Buck Group | - not defined - |
Gaastra | - not defined - |
Iron County | County |
Michigan | State |
USA | Country |
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Latitude & Longitude (WGS84):
46° 3' 48'' North , 88° 37' 3'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Gaastra | 332 (2017) | 1.1km |
Caspian | 868 (2017) | 1.2km |
Stambaugh, Iron River | 1,215 (2017) | 2.1km |
Iron River | 2,904 (2017) | 3.8km |
Mineral Hills, Iron River | 219 (2017) | 5.9km |
Mindat Locality ID:
124270
Long-form identifier:
mindat:1:2:124270:9
GUID (UUID V4):
6a26fd0d-218e-4604-80da-e7d176464651
Commodities (Major) - Iron
Deposit Type: Secondary Enrichment
Development Status: Past Producer
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock Unit: Riverton Iron-Formation
Host Rock: Iron Formation
An iron mine operated from 1915 through 1930 by the Brule Mining Co. It was taken into the Berkshire Mine in 1916 and disgorged in 1934 without further production. One shaft and three levels to 262 feet were originally developed. Workings eventually merged with those of the Berkshire.
The property description is NE-SE Sec. 1 T42N-R35W, which is the 40 acres between N46º3'43", N46º3'56", W88º37'1", and W88º37'19".
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity 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-localities5 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 DiagramDetailed Mineral List:
ⓘ 'Chlorite Group' |
ⓘ Goethite Formula: α-Fe3+O(OH) |
ⓘ Hematite Formula: Fe2O3 |
ⓘ 'Mica Group' |
ⓘ Pyrite Formula: FeS2 |
ⓘ Siderite Formula: FeCO3 |
ⓘ Stilpnomelane Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Goethite | 4.00. | α-Fe3+O(OH) |
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Siderite | 5.AB.05 | FeCO3 |
Group 9 - Silicates | |||
ⓘ | Stilpnomelane | 9.EG.40 | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Unclassified | |||
ⓘ | 'Chlorite Group' | - | |
ⓘ | 'Mica Group' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Goethite | α-Fe3+O(OH) |
H | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
C | Carbon | |
C | ⓘ Siderite | FeCO3 |
O | Oxygen | |
O | ⓘ Goethite | α-Fe3+O(OH) |
O | ⓘ Hematite | Fe2O3 |
O | ⓘ Siderite | FeCO3 |
O | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Na | Sodium | |
Na | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Mg | Magnesium | |
Mg | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Al | Aluminium | |
Al | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Si | Silicon | |
Si | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
S | Sulfur | |
S | ⓘ Pyrite | FeS2 |
K | Potassium | |
K | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Ca | Calcium | |
Ca | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Fe | Iron | |
Fe | ⓘ Goethite | α-Fe3+O(OH) |
Fe | ⓘ Hematite | Fe2O3 |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Siderite | FeCO3 |
Fe | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
Localities in this Region
- Michigan
- Iron County
- Gaastra
- Buck Group
- Berkshire Mine
- Buck Group
- Gaastra
- Iron County
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Minnesota River DomainDomain
USA
- Michigan
- Menominee Iron Range mining districtMining District
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