Keystone Gold Mining District, Pennington Co., South Dakota, USAi
| Regional Level Types | |
|---|---|
| Keystone Gold Mining District | Mining District |
| Pennington Co. | County |
| South Dakota | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude:
44° North , 102° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~100km
Locality type:
No description has been added for this locality. Can you add one?
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-localities29 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:
| β Almandine Formula: Fe2+3Al2(SiO4)3 Localities: Reference: Rocks & Min.:10:145-146. |
| β Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 Localities: Keystone Gold Mining District, Pennington Co., South Dakota, USA Columbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bullion-Columbia Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA Egyptian Group, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: R&M 75:3 pp 156-169 |
| β Arsenopyrite Formula: FeAsS Localities: Reported from at least 7 localities in this region. Reference: Rocks & Min.:10:145-146. |
| β 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 Localities: Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Bismite Formula: Bi2O3 Locality: Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Bismuth Formula: Bi Locality: Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Bismuthinite Formula: Bi2S3 Locality: Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Calcite Formula: CaCO3 Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Chalcopyrite Formula: CuFeS2 Localities: Keystone Gold Mining District, Pennington Co., South Dakota, USA Columbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bullion-Columbia Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA Egyptian Group, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bismark-Ida Florence Groups, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β 'Chlorite Group' Localities: Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| 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 Diadochite Formula: Fe3+2(PO4)(SO4)(OH) · 6H2O Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Diopside Formula: CaMgSi2O6 Localities: Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Epsomite Formula: MgSO4 · 7H2O Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| β 'Feldspar Group' Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β 'Garnet Group' Formula: X3Z2(SiO4)3 Localities: Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Gold Formula: Au Localities: Reported from at least 14 localities in this region. Reference: Rocks & Min.:60:111. |
| β Graphite Formula: C Localities: Keystone Gold Mining District, Pennington Co., South Dakota, USA Columbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bullion-Columbia Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Hedenbergite Formula: CaFe2+Si2O6 Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β 'Hornblende' Localities: Reported from at least 7 localities in this region. Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Magnesite Formula: MgCO3 Locality: Bismark-Ida Florence Groups, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 Localities: Keystone Gold Mining District, Pennington Co., South Dakota, USA Holy Terror Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Legal Tender Group, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: R&M 75:3 pp 156-169 |
| β Pickeringite Formula: MgAl2(SO4)4 · 22H2O Localities: Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Pyrite Formula: FeS2 Localities: Reported from at least 6 localities in this region. Reference: Rocks & Min.:10:145-146. |
| β Pyrrhotite Formula: Fe1-xS Localities: Reported from at least 7 localities in this region. Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Quartz Formula: SiO2 Localities: Reported from at least 13 localities in this region. Reference: Rocks & Min.:60:111. |
| β Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) Reference: Rocks & Min.:10:145-146. |
| β Siderite Formula: FeCO3 Locality: Bismark-Ida Florence Groups, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| β Silver Formula: Ag Localities: Reported from at least 11 localities in this region. Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| β Sphalerite Formula: ZnS Localities: Keystone Gold Mining District, Pennington Co., South Dakota, USA Columbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bullion-Columbia Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA Bismark-Ida Florence Groups, Keystone Gold Mining District, Pennington Co., South Dakota, USA Egyptian Group, Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |
| β Staurolite Formula: Fe2+2Al9Si4O23(OH) Reference: Rocks & Min.:10:145-146. |
| β Titanite Formula: CaTi(SiO4)O Localities: Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Triplite Formula: Mn2+2(PO4)F Locality: Cobalt lode (Margaret Tin Mine), Keystone Gold Mining District, Pennington Co., South Dakota, USA Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| β Zoisite Formula: Ca2Al3[Si2O7][SiO4]O(OH) Localities: Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Bismuth | 1.CA.05 | Bi |
| β | Gold | 1.AA.05 | Au |
| β | Graphite | 1.CB.05a | C |
| β | Silver | 1.AA.05 | Ag |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Arsenopyrite | 2.EB.20 | FeAsS |
| β | Bismuthinite | 2.DB.05 | Bi2S3 |
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Pyrite | 2.EB.05a | FeS2 |
| β | Pyrrhotite | 2.CC.10 | Fe1-xS |
| β | Sphalerite | 2.CB.05a | ZnS |
| Group 4 - Oxides and Hydroxides | |||
| β | Bismite | 4.CB.60 | Bi2O3 |
| β | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| β | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| β | Calcite | 5.AB.05 | CaCO3 |
| β | Magnesite | 5.AB.05 | MgCO3 |
| β | Siderite | 5.AB.05 | FeCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| β | Epsomite | 7.CB.40 | MgSO4 Β· 7H2O |
| β | Pickeringite | 7.CB.85 | MgAl2(SO4)4 Β· 22H2O |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| β | Diadochite | 8.DB.05 | Fe3+2(PO4)(SO4)(OH) Β· 6H2O |
| β | Triplite | 8.BB.10 | Mn2+2(PO4)F |
| Group 9 - Silicates | |||
| β | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| β | Cummingtonite | 9.DE.05 | β»{Mg2}{Mg5}(Si8O22)(OH)2 |
| β | Diopside | 9.DA.15 | CaMgSi2O6 |
| β | Hedenbergite | 9.DA.15 | CaFe2+Si2O6 |
| β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| β | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| β | Staurolite | 9.AF.30 | Fe2+2Al9Si4O23(OH) |
| β | Titanite | 9.AG.15 | CaTi(SiO4)O |
| β | Zoisite | 9.BG.10 | Ca2Al3[Si2O7][SiO4]O(OH) |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| β | 'Chlorite Group' | - | |
| β | 'Feldspar Group' | - | |
| β | 'Garnet Group' | - | X3Z2(SiO4)3 |
| β | 'Hornblende' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Staurolite | Fe22+Al9Si4O23(OH) |
| H | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | β Pickeringite | MgAl2(SO4)4 · 22H2O |
| H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| H | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| H | β Epsomite | MgSO4 · 7H2O |
| H | β Diadochite | Fe23+(PO4)(SO4)(OH) · 6H2O |
| H | β Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) |
| B | Boron | |
| B | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| C | Carbon | |
| C | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| C | β Graphite | C |
| C | β Siderite | FeCO3 |
| C | β Magnesite | MgCO3 |
| C | β Calcite | CaCO3 |
| O | Oxygen | |
| O | β Quartz | SiO2 |
| O | β Almandine | Fe32+Al2(SiO4)3 |
| O | β Staurolite | Fe22+Al9Si4O23(OH) |
| O | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Bismite | Bi2O3 |
| O | β Pickeringite | MgAl2(SO4)4 · 22H2O |
| O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| O | β Garnet Group | X3Z2(SiO4)3 |
| O | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| O | β Siderite | FeCO3 |
| O | β Magnesite | MgCO3 |
| O | β Epsomite | MgSO4 · 7H2O |
| O | β Calcite | CaCO3 |
| O | β Diadochite | Fe23+(PO4)(SO4)(OH) · 6H2O |
| O | β Diopside | CaMgSi2O6 |
| O | β Hedenbergite | CaFe2+Si2O6 |
| O | β Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) |
| O | β Titanite | CaTi(SiO4)O |
| O | β Triplite | Mn22+(PO4)F |
| F | Fluorine | |
| F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| F | β Triplite | Mn22+(PO4)F |
| Na | Sodium | |
| Na | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Mg | Magnesium | |
| Mg | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Mg | β Pickeringite | MgAl2(SO4)4 · 22H2O |
| Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Mg | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Mg | β Magnesite | MgCO3 |
| Mg | β Epsomite | MgSO4 · 7H2O |
| Mg | β Diopside | CaMgSi2O6 |
| Al | Aluminium | |
| Al | β Almandine | Fe32+Al2(SiO4)3 |
| Al | β Staurolite | Fe22+Al9Si4O23(OH) |
| Al | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | β Pickeringite | MgAl2(SO4)4 · 22H2O |
| Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Al | β Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| Si | β Almandine | Fe32+Al2(SiO4)3 |
| Si | β Staurolite | Fe22+Al9Si4O23(OH) |
| Si | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Si | β Garnet Group | X3Z2(SiO4)3 |
| Si | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Si | β Diopside | CaMgSi2O6 |
| Si | β Hedenbergite | CaFe2+Si2O6 |
| Si | β Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) |
| Si | β Titanite | CaTi(SiO4)O |
| P | Phosphorus | |
| P | β Diadochite | Fe23+(PO4)(SO4)(OH) · 6H2O |
| P | β Triplite | Mn22+(PO4)F |
| S | Sulfur | |
| S | β Pyrite | FeS2 |
| S | β Arsenopyrite | FeAsS |
| S | β Pickeringite | MgAl2(SO4)4 · 22H2O |
| S | β Pyrrhotite | Fe1-xS |
| S | β Chalcopyrite | CuFeS2 |
| S | β Sphalerite | ZnS |
| S | β Epsomite | MgSO4 · 7H2O |
| S | β Bismuthinite | Bi2S3 |
| S | β Diadochite | Fe23+(PO4)(SO4)(OH) · 6H2O |
| K | Potassium | |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Ca | Calcium | |
| Ca | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Ca | β Calcite | CaCO3 |
| Ca | β Diopside | CaMgSi2O6 |
| Ca | β Hedenbergite | CaFe2+Si2O6 |
| Ca | β Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) |
| Ca | β Titanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Ti | β Titanite | CaTi(SiO4)O |
| Mn | Manganese | |
| Mn | β Triplite | Mn22+(PO4)F |
| Fe | Iron | |
| Fe | β Pyrite | FeS2 |
| Fe | β Arsenopyrite | FeAsS |
| Fe | β Almandine | Fe32+Al2(SiO4)3 |
| Fe | β Staurolite | Fe22+Al9Si4O23(OH) |
| Fe | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Fe | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | β Pyrrhotite | Fe1-xS |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Fe | β Siderite | FeCO3 |
| Fe | β Diadochite | Fe23+(PO4)(SO4)(OH) · 6H2O |
| Fe | β Hedenbergite | CaFe2+Si2O6 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| As | Arsenic | |
| As | β Arsenopyrite | FeAsS |
| Ag | Silver | |
| Ag | β Silver | Ag |
| Au | Gold | |
| Au | β Gold | Au |
| Bi | Bismuth | |
| Bi | β Bismite | Bi2O3 |
| Bi | β Bismuth | Bi |
| Bi | β Bismuthinite | Bi2S3 |
Localities in this Region
- South Dakota
- Pennington Co.
- South Dakota
- Pennington Co.
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Wyoming DomainDomain
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
Holy Terror Mine, Keystone Gold Mining District, Pennington Co., South Dakota, USA