Downloadable Ebook

Geology and Ore Deposits of the Atlanta District, Elmore County, Idaho

Pamplet number 49, 1939, 85 Pages

CONTENTS

• Abstract
• Introduction
• • Scope of the report
  • Acknowledgments
  • Bibliography
• Geographic features
• • Location and accessibility
  • Surfaoe features
  • Population and industries
  • Power
  • Climate and vegetation
• General geology
• • Foreword
  • Rocks related to the Idaho batholith
  • • Classification
    • Quartz diorite and granodiorite
    • Quartsz monzonite
    • Aplite
    • Pegmatite
  • Tertiary intrusive rocks
  • • Classification and relations
    • Pink granophyre
    • Granite porphyry
    • Dacite porphyry
  • Intrusive rocks of indeterminate age
  • • Classification and relations
    • Diorite
    • Syenite
    • Lamprophyre
• Quaternary rocks
• • Classification
  • Glacial deposits
  • • Older deposits
    • Younger deposits
  • Recent alluvium
• Structure
• • Foreword
  • Relations of aplites and pegmatites
  • Lode pattern
  • Miocene dike zone
  • Faulting
  • • Montezuma fault
    • Other faults
  • Fracturing
  • • Fractures in the batholithic rock
    • Fractures in the Miocene dikes
• Ore deposits
• • History and production
  • General character
  • Mineralogy
  • Foreword
  • Ore minerals
  • • Gold
    • Silver minerals
    • • Hypogene
      • Supergene
    • Copper minerals
    • • Hypogene
      • Supergene
    • Lead minerals
    • • Hypogene
      • Supergene
    • Zinc
    • • Hypogene
    • Molybdenum
    • • Hypogene
    • Iron minerals
    • • Hypogene
      • Supergene
  • Gangue minerals
  • • Oxides
    • Carbonates
    • Silicates
    • Sulphates
• Paragenesis
• • General features
  • Hypogene mineralization
  • • Stage 1
    • Stage 2
    • Stage 3
    • Stage 4
  • Supergene mineralization
• Classification
• Description of the deposits
• • Distribution
  • Controlling geologic features
  • Structural relations
  • • Atlanta lode
    • Oblique laterals
  • Ore shoots
  • • General features
    • Atlanta lode
    • • Distribution and size
      • Structural control
      • Distribution of the ore
      • Zoning
      • Tenor of the ore
    • Oblique lateral veins
  • Wall rock alteration
  • Secondary enrichment
• Genesis
• Outlook
• Mines and prospects
• • Boise Rochester sine
  • • History and development
    • Production
    • Geologic features
    • • Structural relations
      • Distribution of the ore
  • Ore shoots
  • • Old Chunk
    • Central
    • Hanging Wall (Pettit)
    • Southeast (Pettit)
    • Footwall (Pettit)
  • Character of the ore
  • Tenor of the ore
• Monarch mine
• • History and development
  • Production
  • Geologic features
  • Ore shoots
  • • Monarch
    • Pettit
    • Dump raise ore body
• Buffalo mine
• • History and development
  • Production
  • Geologic features
• Idaho (Atlanta) Gold mine
• • History and development
  • Geologic features
• Hill and Davis
• Last Chance mine
• • History and development
  • Geologic features
• Silver Tide
• Minerva mine
• • Location
  • History and development
  • Geologic features
• Tahoma mine
• • Location and development
  • Geologic features
• Big Lode mine
• Jessie Benton mine
• Atlanta Gold Mines Corporation
• Paymaster
• Greenback prospect
• Pal group
• Constant Hope
• Yuba Group
• Flint Gulch prospect

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Happy Hunting