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Cliffs Shaft Mine (Barnum; Lake Superior Group; Section 10 Exploration; Bancroft; Moro mine), Ishpeming, Marquette iron range, Marquette Co., Michigan, USAi
Regional Level Types
Cliffs Shaft Mine (Barnum; Lake Superior Group; Section 10 Exploration; Bancroft; Moro mine)Mine
Ishpeming- not defined -
Marquette iron rangeMountain Range
Marquette Co.County
MichiganState
USACountry

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Latitude & Longitude (WGS84): 46° 29' North , 87° 40' West
Latitude & Longitude (decimal): 46.48333,-87.66667
GeoHash:G#: f038mn514
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Ishpeming6,483 (2017)0.6km
West Ishpeming2,662 (2017)2.6km
Negaunee4,582 (2017)4.5km
Palmer418 (2017)7.3km
Trowbridge Park2,176 (2017)19.3km


A mine started 1878 with two shafts (A shaft - 1880 & B shaft - 1881). Owned by the Cleveland-Cliffs Iron Co.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Bornite
Formula: Cu5FeS4
Reference: Rocks & Min.:58:111.
Chalcopyrite
Formula: CuFeS2
Reference: Rocks & Min.:58:111.
'Chlorite Group'
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Goethite
Formula: α-Fe3+O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Hematite
Formula: Fe2O3
Reference: Rocks & Min.:12:209.
Hematite var: Martite
Formula: Fe2O3
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Magnetite
Formula: Fe2+Fe3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: Rocks & Min.:58:111.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz var: Jasper
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
var: Martite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Hematite
var: Martite
-Fe2O3
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
OOxygen
O HematiteFe2O3
O Goethiteα-Fe3+O(OH)
O MagnetiteFe2+Fe23+O4
O QuartzSiO2
O Hematite (var: Martite)Fe2O3
SiSilicon
Si QuartzSiO2
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S PyriteFeS2
FeIron
Fe HematiteFe2O3
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Goethiteα-Fe3+O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe Hematite (var: Martite)Fe2O3
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 2851155
Menominee Group; Negaunee Iron-formation

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Negaunee Iron Formation

Description: Highly metamorphosed banded iron-formation. Principal iron-formation in Marquette trough and nearby areas. Includes abundant metadiabase sills.

Comments: Continental margin assemblage (north of Niagara Fault) Original map source: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 19

Lithology: Major:{banded iron formation}, Minor:{metadiabase}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleoarchean
3200 - 3600 Ma



ID: 3188340
Archean crystalline metamorphic rocks

Age: Paleoarchean (3200 - 3600 Ma)

Comments: Superior Province

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rocks & Minerals:12:209; 58:111.


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