Geology and Ore Deposits of the Blewett Mining District

Washington Geological Survey Bulletin no 6, 104 Pages

Contents:

• INTRODUCTION
• • Fieldwork and acknowledgments
  • Location and area of the district
  • Industries and settlements
  • Literature
  • CHAPTER I. Physiography
  • Topography
  • • General statement
    • Drainage
    • Forms or the surface
  • Glaciation
  • Climate
  • Vegetation
  • Relation of the present topography to the general geology
  • CHAPTER II. General geology
  • Introduction
  • Contact schist
  • Peshastin formation
  • • Areal distribution
    • General description
    • Hawkins formation
  • Areal distribution
  • General description
  • Petrography
• Peridotite
• • Areal distribution
  • General description
  • Petrographical description
  • "Nickel Dikes"
  • Areal distribution and general description
• Granodiorite
• • Areal distribution
  • General description
  • Petrographical description
• Swauk formation
• • Areal distribution
  • General description
  • Correlation and age
• Gabbro
• • Distribution and description
  • Petrographical description
• Diabase dikes
• • Areal distribution
  • Petrographical description
• Quaternary
• • Alluvium
  • Terrace and stream gravel
• Structure
• • Folding
  • Faulting
• Geological history
• CHAPTER III. Economic geology
• • History of mining
  • Treatment of the ores
  • Production
  • Distribution of the ore bodies
  • Character of the ore bodies
  • • Strike
    • Pitch
    • Shape
  • Influences of country rock on the ores
  • Alteration of the country rock
  • Mineralogy
  • Genesis of the ores
  • Placer deposits
• CHAPTER IV. Detailed description of the mines
• • Introduction
  • Washington Meteor Mine
  • • Location
    • History
    • Underground workings
    • Geological relations
    • Production of the mine
    • Future of the mine
  • Alta Vista Mine
  • Pole Pick No. 1 Mine
  • Blinn Mine
  • North Star Mine
  • Golden Eagle Mine
  • Tip Top Mine
  • Wilder Mine
  • Golden Guinea Mine
  • Lucky Queen Mine
  • Blue Bell Mine
  • Prospect Mine
  • Homestake Mine
  • Lone Rock Mine
  • Johnson Mine

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