Dark Horse claim, Bald Mountain Mining District (Portland Mining District), Lawrence County, South Dakota, USAi
| Regional Level Types | |
|---|---|
| Dark Horse claim | Claim |
| Bald Mountain Mining District (Portland Mining District) | Mining District |
| Lawrence County | County |
| South Dakota | State |
| USA | Country |
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Latitude & Longitude (WGS84):
44° 20' 20'' North , 104° 10' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lead | 2,999 (2017) | 4.9km |
| Central City | 130 (2017) | 5.0km |
| Deadwood | 1,258 (2017) | 8.6km |
| Spearfish | 11,283 (2017) | 17.1km |
| North Spearfish | 2,285 (2017) | 19.4km |
Other/historical names associated with this locality:
Portland District
Development: Development was by extensive drifting along north-south verticals.
Ore(s): Ore Was From The Lower Ore Horizon Of The Deadwood Formation. North-South Vertical Fractures.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
Gallery:
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10104210 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Wyoming CratonCraton
- Wyoming DomainDomain
USA
- Black HillsMountain Range
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