Reconnaissance of the Geology and Mineral Resources

of Prince William Sound, Alaska

By

U.S Grant and D.F Higgins

1910, USGS Bulletin 443

Contents:

• Preface by A. H. Brooks 7
• Introduction 9
• • Location and geography 9
  • Outline of the geology 11
  • Previous explorations 12
  • The present report 13
• Topography 14
• • Mountains and peneplain 14
  • Valleys and lowlands 15
  • • General description 15
    • Recent changes of level 17
  • Glaciation 18
  • • Early glaciation 18
    • Present glaciation 19
• General geology 20
• • Introduction 20
  • Sedimentary rocks 22
  • • Valdez group 22
    • • General description 22
      • Age and correlation 23
    • Orca group 25
    • • General description 25
      • Special descriptions 26
      • • Galena Bay 26
        • Ellamar and Bligh Island 28
        • Knight Island 28
        • Latouche Island 29
        • Hoodoo Island 31
        • Ellington Island 31
      • Age and correlation of the Orca group 32
  • Igneous rocks 33
  • • Granites 33
    • • Granite of Ewan Bay 34
      • Eshamy granite 34
      • Nellie Juan granite 37
      • Granite of Culrosa Island 37
      • Granite of Passage Canal 38
      • Esther Granite 39
      • Cedar Bay granite 41
      • Sheep Bay granite 43
      • Other granite areas 44
      • Summary 44
    • Acidic dikes 46
    • Basic intrusive rocks
    • • Gabbros
      • Gabbro on Esther Island
      • Gabbro on Latouche Island
    • Diabases
    • • Diabase dikes at Valdez Narrows
      • Diabase in Tatitlek Narrows
      • Diabase on Unakwik Inlet
  • Greenstones
• Economic geology
• • Copper
  • • Historical statement
    • Ore minerals
    • Ore bodies
    • • General description
      • Origin of the ore bodies
    • Special descriptions
    • • Galena Bay
      • Ellamar
      • Boulder Bay
      • Landlocked Bay
      • • Standard Copper Mines Company
        • Three Man Mining Company
      • Fidalgo Bay
      • • Whalen and Nelson prospect
        • Fidalgo Mining Company
        • Fidalgo Alaska Copper Company
      • Latouche Island
      • • Bonanza mine
        • Reynolds-Alaska Development Company
        • Latouche Copper Mining Company
      • Knight Island
      • • Knights Island Consolidated Copper Company
        • Russell Ball Copper Company
        • Happy Jack Copper Mining and Development Company.
        • Copper Bullion claims
        • Knights Island Mining and Development Company
      • Orca Inlet
    • Summary
    • Prospecting'
  • Gold
  • • Placer gold
    • Gold-bearing veins
    • • Port Valdez, by Alfred H. Brooks
      • McKinley Lake .
      • Jackpot Bay
    • Conclusions
  • Silver
  • Nickel
  • Antimony
  • L e a d
  • Z i n c
  • Iron
  • Asbestos
  • Petroleum
• Recent Survey publications on Alaska
• Index

This is not the orignal publication but digitally archived version in PDF Format by Miningbooks.com Upon purchase you will receive an email containing a link to download your item.