Midnite Mine
Wellpinit
Stevens County
Washington
The Midnite Mine produced ore from 1954 until it was closed in 1982.
Adularia
"Apatite group mineral"
Arsenopyrite
Autunite
Chalcopyrite
"Coffinite"
Delvauxite
"Gummite"
Hematite
Liebigite
Magnetite
Marcasite
Meta-autunite
Molybdenite
Pyrite
Phosphuranylite
Rutile
Sklodowskite
Sphalerite
Torbernite
"Tourmaline group mineral"
Uraninite
Uranphane
Zippeite
Sources:
Barrington, J. and Paul F. Kerr (1961)
Uranium Mineralization at the Midnite Mine, Spokane Washington
Economic Geology, Vol. 56, p. 241-258
Nash, J. T and N. Lehrman (1975)
Geology of the Midnite Mine Uranium Mine, Stevens County, Washington
Geological Society of America Abstracts with Programs 7, p. 634-635
(full text of report as United States Geological Survey Open File Report 75-402, 36pp.)
Rich, Robert A., Heinrich D. Holland, and Ulrich Peterson
Hydrothermal Uranium Deposits
Elsevier Scientific NY 1977
