Black Lake Mine (Summit Claims; Maid of Erin Claims; Idaho Gold Coin), Seven Devils District, Adams Co., Idaho, USA
|Latitude & Longitude (WGS84):||45° 11' 26'' North , 116° 33' 21'' West|
|Latitude & Longitude (decimal):||45.190555572509766, -116.55583190917969|
REF:Deposit:: LIVINGSTON, D.C., AND LANEY, F.B., 1920, THE COPPER DEPOSITS OF THE SEVEN DEVILS AND ADJACENT DISTRICTS: IDAHO BUR. MINES AND GEOLOGY BULL. 1, P. 35-37
Deposit:: 1920 COMPILE IDAHO BUR. MINES AND GEOL., BULL. 1
Production:: LIVINGSTON, D. C.
Commodities (Major) - Gold
Development Status: Past Producer
Host Rock: Andesite
Tectonic Structure: Island Arc Volcanic Chain
3 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
|Jurassic - Triassic|
145 - 252.17 Ma
|Blue Mountains island arc, Wallowa terrane, metadiorite|
Age: Mesozoic (145 - 252.17 Ma)
Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. 
|Triassic - Permian|
201.3 - 298.9 Ma
|Seven Devils Group|
Age: Phanerozoic (201.3 - 298.9 Ma)
Stratigraphic Name: Windy Ridge Formation; Hunsaker Creek Formation; Wild Sheep Creek Formation; Doyle Creek Formation
Description: Basaltic to rhyolitic (largely mafic) arc-derived volcanic and volcaniclastic rocks of the Wallowa terrane; includes minor limestone. Composed of Windy Ridge, Hunsaker Creek, Wild Sheep Creek, and Doyle Creek formations. (Mesozoic-Paleozoic Rocks of the Blue Mountains Island-Arc Complex).
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.