slgwv's photos with the keyword: stope

Stopes following scheelite (calcium tungstate, CaWO4) mineralization along a granite-metamorphic contact. Nightingale Mine, Nightingale District, Pershing County, Nevada. For more about the mining here see the enclosing photo.

Tempiute mine, Lincoln County, Nevada. A tungsten mine that was active from ca. WW II up to ca. 1960, probably when the Federal Government yanked the strategic metal subsidies. As is commonly the case for tungsten, the mineralization is in skarn developed at the contact between an intruding granite and host limestone.