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Newport Mine (Bonnie Mine), Bessemer, Gogebic iron range, Gogebic Co., Michigan, USAi
Regional Level Types
Newport Mine (Bonnie Mine)Mine
Bessemer- not defined -
Gogebic iron rangeMountain Range
Gogebic Co.County
MichiganState
USACountry

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Latitude & Longitude (WGS84): 46° 27' 25'' North , 90° 7' 20'' West
Latitude & Longitude (decimal): 46.45694,-90.12222
GeoHash:G#: cbrbm1pp2
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Ironwood5,002 (2017)3.7km
Hurley1,493 (2017)5.0km
Bessemer1,770 (2017)6.0km
Montreal783 (2017)10.0km
Pence131 (2017)12.3km


An iron mine located near Bessemer, near Ironwood.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Rocks & Min.: 58:109.
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Goethite
Formula: α-Fe3+O(OH)
Reference: Rocks & Min.: 58:109.
Hematite
Formula: Fe2O3
Reference: Rocks & Min.: 58:109.
Manganite
Formula: Mn3+O(OH)
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Microcline
Formula: K(AlSi3O8)
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Molybdenite
Formula: MoS2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
'Psilomelane'
Reference: Rocks & Min.: 58:109.
Pyrolusite
Formula: Mn4+O2
Reference: Rocks & Min.: 58:109.
Quartz
Formula: SiO2
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Manganite4.FD.15Mn3+O(OH)
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Romanèchite4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Microcline9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Psilomelane'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Manganite6.1.3.1Mn3+O(OH)
Group 7 - MULTIPLE OXIDES
AB8X16
Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16
Romanèchite7.9.2.1(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Psilomelane'-

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H ManganiteMn3+O(OH)
H Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
OOxygen
O BaryteBaSO4
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O PyrolusiteMn4+O2
O QuartzSiO2
O CryptomelaneK(Mn74+Mn3+)O16
O ManganiteMn3+O(OH)
O MicroclineK(AlSi3O8)
O Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
AlAluminium
Al MicroclineK(AlSi3O8)
SiSilicon
Si QuartzSiO2
Si MicroclineK(AlSi3O8)
SSulfur
S BaryteBaSO4
S MolybdeniteMoS2
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
K MicroclineK(AlSi3O8)
MnManganese
Mn PyrolusiteMn4+O2
Mn CryptomelaneK(Mn74+Mn3+)O16
Mn ManganiteMn3+O(OH)
Mn Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
MoMolybdenum
Mo MolybdeniteMoS2
BaBarium
Ba BaryteBaSO4
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10

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: 2996832
Menominee Group; Ironwood Iron-formation

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Ironwood Iron Formation

Description: Interbedded cherty and slaty iron-formation. Locally, secondary enrichment has formed "soft ore" bodies. In eastern part of Gogebic Range, Ironwood Iron-formation is intercalated with pyroclastic rocks of Emperor Volcanic Complex, and in eastern half of T. 47 N., R. 43 W. (where mapped within unit Xip) consists entirely of black slate

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,slate}

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]

Neoarchean
2500 - 2800 Ma



ID: 3241848
Puritan Quartz Monzonite

Age: Neoarchean (2500 - 2800 Ma)

Stratigraphic Name: Puritan Quartz Monzonite

Description: Medium- to coarse-grained, pink, granitic rocks, commonly with coarse pegmatoidal patches. Massive to weakly foliated and, in part, porphyritic with K-feldspar phenocrysts. Also includes biotite and hornblende gneiss and migmatite probably derived from the adjacent volcanic units.

Comments: Superior province; intrusion; accreted arc

Lithology: Major:: {granodiorite},Minor:: {tonalite,migmatite}

Reference: Cannon, W.F., L.G. Woodruff, S.W. Nicholson, C.A. Hedgman, and R.D. Barber-Delach. Digital Bedrock Geologic Map of the Ashland and Northern Part of the Ironwood 30' x 60' Quadrangles, Wisconsin and Michigan. U.S. Geological Survey Open-File Report 99-546. [162]

Archean
2500 - 4000 Ma



ID: 3192109
Archean volcanic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Volcanic rocks

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: 58:109.


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