Mary Ellen pit, Mesabi Range, St. Louis Co., Minnesota, USAi
Regional Level Types | |
---|---|
Mary Ellen pit | Pit |
Mesabi Range | Mountain Range |
St. Louis Co. | County |
Minnesota | State |
USA | Country |
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Key
Latitude & Longitude (WGS84):
47° 31' 45'' North , 92° 21' 54'' West
Latitude & Longitude (decimal):
Locality type:
KΓΆppen climate type:
Open pit operation in the Proterozoic Biwabik Iron Formation, notable for superb stromatolites. Previously mined for iron ore (taconite) more recently worked for slabbed and polished stromatolitic iron formation (termed "Mary Ellen Jasper") of all sizes, including counter-tops.
Select Mineral List Type
Standard Detailed Gallery Strunz Dana Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
β Hematite Formula: Fe2O3 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Magnetite Formula: Fe2+Fe3+2O4 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Quartz Formula: SiO2 Reference: Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
β Quartz var: Reference: Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
β | Hematite | 4.CB.05 | Fe2O3 |
β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
β | Quartz | 4.DA.05 | SiO2 |
β | var: Jasper | 4.DA.05 | SiO2 |
List of minerals arranged by Dana 8th Edition classification
Group 4 - SIMPLE OXIDES | |||
---|---|---|---|
A2X3 | |||
β | Hematite | 4.3.1.2 | Fe2O3 |
Group 7 - MULTIPLE OXIDES | |||
AB2X4 | |||
β | Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
β | Quartz | 75.1.3.1 | SiO2 |
Unclassified Minerals, Mixtures, etc. | |||
β | var: Jasper | - | SiO2 |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | β Magnetite | Fe2+Fe23+O4 |
O | β Hematite | Fe2O3 |
O | β Quartz | SiO2 |
Si | Silicon | |
Si | β Quartz | SiO2 |
Fe | Iron | |
Fe | β Magnetite | Fe2+Fe23+O4 |
Fe | β Hematite | Fe2O3 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Leatherman, Mark (2015) Mary Ellen Jasper - iron stromatolites from northern Minnesota: Rock and Gem 43 (7): 48-51.
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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Mary Ellen pit, Mesabi Range, St. Louis Co., Minnesota, USA