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Hydrogeology and Hydrochemistry of the Midnite Mine, Northeastern Washington.


PB94171923

Publication Date 1994
Personal Author Marcy, A. D.; Scheibner, B. J.; Toews, K. L.; Boldt, C. M. K.
Page Count 50
Abstract The Midnite Mine is an inactive, hardrock uranium mine on the Spokane Indian Reservation, Stevens County, WA. Oxidation of sulfide-containing minerals, primarily pyrite, in the ore body produces large quantities of acidic water. An interception system installed by the mining company limits the discharge of contaminated water from the mine. The Bureau of Indian Affairs and the Bureau of Land Management have been actively involved in planning remediation of the disturbed areas. To assist in remediation, the U.S. Bureau of Mines initiated research to determine water quality and define groundwater flow characteristics. Bureau personnel designed a monitoring network, supervised installation of sampling wells, and collected and analyzed water samples. This Report of Investigations describes interpretation of data collected between December 1989 to April 1992.
Keywords
  • Washington(State)
  • Mine waters
  • Rock-fluid interactions
  • Acid mine drainage
  • Ground water
  • Water flow
  • Flow rates
  • Water chemistry
  • Hydrogeology
  • Hydrochemistry
  • Water pollution sampling
  • Chemical composition
  • Uranium mines
  • Abandoned sites
  • Computerized simulation
  • Stevens County(Washington)
  • Spokane Indian Reservation
  • Midnite Mine
Source Agency
  • Bureau of Mines
NTIS Subject Category
  • 68D - Water Pollution & Control
  • 48A - Mineral Industries
  • 48F - Geology & Geophysics
Corporate Authors Bureau of Mines, Spokane, WA. Spokane Research Center.
Supplemental Notes See also PB84-128677 and PB92-106392. Library of Congress catalog card no. 93-3159.
Document Type Technical Report
Title Note Rept. of investigations/1994.
NTIS Issue Number 199417
Hydrogeology and Hydrochemistry of the Midnite Mine, Northeastern Washington.
Hydrogeology and Hydrochemistry of the Midnite Mine, Northeastern Washington.
PB94171923

  • Washington(State)
  • Mine waters
  • Rock-fluid interactions
  • Acid mine drainage
  • Ground water
  • Water flow
  • Flow rates
  • Water chemistry
  • Hydrogeology
  • Hydrochemistry
  • Water pollution sampling
  • Chemical composition
  • Uranium mines
  • Abandoned sites
  • Computerized simulation
  • Stevens County(Washington)
  • Spokane Indian Reservation
  • Midnite Mine
  • Bureau of Mines
  • 68D - Water Pollution & Control
  • 48A - Mineral Industries
  • 48F - Geology & Geophysics
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