Geology and Ore Deposits of the Takilma-Waldo District, Oregon

Including the Blue Creek District

by Philip J. Shenon

1933, 79 pages

USGS Bulletin 846-B

Contents:

• Abstract
• Introduction
• • Field work and acknowledgments
  • Location and transportation facilities
  • Literature and maps
• Geography of the Klamath region
• • Relief and drainage
  • Topographic features of the Klamath Mountains
  • Age and development of the Klamath Mountains
  • Climate and vegetation
• Location and topography of the Takilma-Waldo district
• Geology
• • Distribution of rocks
  • Sedimentary rocks
  • • Paleozoic rocks
    • Jurassic rocks
    • • Galice formation
    • Cretaceous rocks
    • • Horsetown (?) formation
    • Tertiary rocks
    • • Conglomerate
    • Quaternary rocks
    • • Llano de Oro formation
      • Alluvial fan of Rough and Ready Creek
      • Gravel deposits of the East Fork of the Illinois River
  • Igneous rocks
  • • Greenstones
    • • Metabasalt
      • Metagabbro
    • Serpentine
  • Deformation
• Ore deposits
• • Classification
  • Copper mines
  • • General features
    • Copper deposits in greenstone
    • • Queen of Bronze mine
      • Waldo mine
      • Lilly mine
      • Lyttle mine
      • Origin of the deposits in greenstone
    • Copper deposits in serpentine
    • • Cowboy mine
    • Future outlook for the copper mines
    • Chroniite deposits
    • • Esterly mine
      • Owens mine
    • Placer deposits
    • • History and production
      • Mining methods
      • Classification of placers
      • Tertiary placers
      • • General features
        • High Gravel mine
        • Cameron mine
        • Platerica mine
      • Quaternary placers
      • • Llano de Oro mine
        • Deep Gravel mine
        • Fry Gulch
      • Reserves of placer gravel
• Blue Creek district
• • Geology
  • Turner (Albright) mine

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