Elm-Orlu Mine (Elm Mine; Orlu Mine), Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
|Latitude & Longitude (WGS84):||46° 0' North , 112° 32' West|
|Latitude & Longitude (decimal):||46.00000,-112.53333|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
A mine in the silver belt of Butte.
6 valid minerals.
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
|Holocene - Pleistocene|
0 - 2.588 Ma
Age: Pleistocene (0 - 2.588 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. 
|Holocene - Calabrian|
0 - 1.806 Ma
Age: Pleistocene (0 - 1.806 Ma)
Description: Variable deposits that range from pebble to boulder size and include sand, silt, and clay. Dominantly alluvial terrace, abandoned channel and floodplain, remnant alluvial fan, and local glacial outwash.
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. 
Rocks & Minerals (1941): 16: 244.