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Gruner prospect, Virginia, Saint Louis County, Minnesota, USAi
| Regional Level Types | |
|---|---|
| Gruner prospect | Prospect (Inactive) |
| Virginia | City |
| Saint Louis County | County |
| Minnesota | State |
| USA | Country |
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Latitude & Longitude (WGS84):
47° 30' 5'' North , 92° 29' 2'' West
Latitude & Longitude (decimal):
Type:
Prospect (Inactive) - last checked 2019
Deposit first discovered:
1924
Köppen climate type:
During the late 1980s, exploration for gold was conducted by three companies: Newmont, Rhude and Fryberger, and Resource Exploration. This phase of exploration was prompted by an earlier mention of a gold discovery by J.W. Gruner in 1924 (Grout, 1937). Reportedly, Gruner found visible gold and arsenopyrite in veins associated with a quartzofeldspathic intrusion in railroad cuts near Virginia.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Acanthite Formula: Ag2S References: |
| ⓘ Arsenopyrite Formula: FeAsS References: |
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ 'Chlorite Group' References: |
| ⓘ Galena Formula: PbS References: |
| ⓘ Goethite Formula: Fe3+O(OH) References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ 'Limonite' References: |
| ⓘ Native Gold Formula: Au References: |
| ⓘ Native Silver Formula: Ag References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Native Sulphur Formula: S8 References: |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Rutile Formula: TiO2 References: Frank Karasti CollectionIdentified by Frank Karasti: Visual Identification |
| ⓘ Siderite Formula: FeCO3 References: |
| ⓘ Sphalerite Formula: ZnS References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Silver | 1.AA.05 | Ag |
| ⓘ | Native Sulphur | 1.CC.05 | S8 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | Goethite | 4.FD.10 | Fe3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Siderite | FeCO3 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Native Sulphur | S8 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ti | Titanium | |
| Ti | ⓘ Rutile | TiO2 |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Siderite | FeCO3 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Ag | ⓘ Native Silver | Ag |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Superior Craton
- Wawa-Abitibi TerraneCraton
- Superior DomainDomain
USA
- Minnesota
- Mesabi RangeMineral Province
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Gruner prospect, Virginia, Saint Louis County, Minnesota, USA