Black King Mine (Black King No. 4; Black King No. 5; Black King No. 5 Claim; Unpatented Claims: Black King No. 1; Evans Claims; Weatherly Claims), Placerville District, Lower San Miguel District, San Miguel Co., Colorado, USA
|Latitude & Longitude (WGS84):||38° 1' 52'' North , 108° 3' 53'' West|
|Latitude & Longitude (decimal):||38.03111,-108.06472|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
Commodities (Major) - Copper, Silver, Gold, Uranium; (Minor) - Vanadium; (Trace) - Titanium - Metal, Zinc, Lead, Molybdenum, Chromium, Cobalt
Development Status: Past Producer
Host Rock Unit: Cutler Formation, Pony Express Limestone Member Of Wanakah Formation
Structure: Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Black King Fault
Host Rock: Sandstone, Limestone, Shale
Tectonic Structure: Colorado Platform
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
22 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Early Jurassic - Late Triassic|
174.1 - 237 Ma
|Mesozoic sedimentary rocks|
Age: Mesozoic (174.1 - 237 Ma)
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
201.3 - 237 Ma
Age: Late Triassic (201.3 - 237 Ma)
Stratigraphic Name: Dolores Formation
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.