Rochford Mining District, Lawrence Co., South Dakota, USAi
Regional Level Types | |
---|---|
Rochford Mining District | Mining District |
Lawrence Co. | County |
South Dakota | State |
USA | Country |
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Latitude & Longitude (WGS84):
44° North , 103° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~37km
Locality type:
KΓΆppen climate type:
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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-localities7 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
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Alphabetical List Tree DiagramDetailed Mineral List:
β Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
β 'Clays' Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Cummingtonite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Goethite Formula: Ξ±-Fe3+O(OH) Localities: Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Gold Formula: Au Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β 'Limonite' Localities: Melcert Bog Iron Deposit, Rochford Mining District, Lawrence Co., South Dakota, USA Swilley Gulch Bog Iron Deposit, Rochford Mining District, Lawrence Co., South Dakota, USA Tilson Gulch Bog Iron Deposit, Rochford Mining District, Lawrence Co., South Dakota, USA Negro Gulch Bog Iron Deposit, Rochford Mining District, Lawrence Co., South Dakota, USA Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Pyrite Formula: FeS2 Localities: Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Pyrrhotite Formula: Fe1-xS Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
β Quartz Formula: SiO2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Gold | 1.AA.05 | Au |
Group 2 - Sulphides and Sulfosalts | |||
β | Pyrite | 2.EB.05a | FeS2 |
β | Pyrrhotite | 2.CC.10 | Fe1-xS |
Group 4 - Oxides and Hydroxides | |||
β | Goethite | 4.00. | Ξ±-Fe3+O(OH) |
β | Quartz | 4.DA.05 | SiO2 |
Group 9 - Silicates | |||
β | Actinolite | 9.DE.10 | β»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
β | Cummingtonite | 9.DE.05 | β»{Mg2}{Mg5}(Si8O22)(OH)2 |
Unclassified Minerals, Rocks, etc. | |||
β | 'Clays' | - | |
β | 'Limonite' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Goethite | Ξ±-Fe3+O(OH) |
H | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
H | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
O | Oxygen | |
O | β Goethite | Ξ±-Fe3+O(OH) |
O | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
O | β Quartz | SiO2 |
O | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Mg | Magnesium | |
Mg | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Mg | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Si | Silicon | |
Si | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Si | β Quartz | SiO2 |
Si | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
S | Sulfur | |
S | β Pyrite | FeS2 |
S | β Pyrrhotite | Fe1-xS |
Ca | Calcium | |
Ca | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Fe | Iron | |
Fe | β Pyrite | FeS2 |
Fe | β Goethite | Ξ±-Fe3+O(OH) |
Fe | β Pyrrhotite | Fe1-xS |
Fe | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Au | Gold | |
Au | β Gold | Au |
Localities in this Region
- South Dakota
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Wyoming DomainDomain
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Montana Mine, Rochford Mining District, Lawrence Co., South Dakota, USA