Skip to primary content
Skip to secondary content

Sierra Geology

where rocks meet the human environment (or vice versa)

Sierra Geology

Main menu

  • Home
  • Field Trips
    • Amador Central Railroad
  • Documents
    • 2013 GSA Cordilleran Conference Presentations
      • Early Tertiary Climate Change and its Impact on the Matrix Mineralogy of “auriferous gravels” in the Sierra Nevada Foothills
      • The Nature of Early Tertiary Soils and Sediments — Mineralogy and Petrology
      • Geologic Hazards in the Early Tertiary Sediments of the Sierra Nevada Foothills of California
      • Landslide Hazards Along the Interstate 80 Corridor Associated with the Early Oligocene Sedimentary and Volcanic Deposits in the Sierra Nevada
    • References
      • The Upper Reaches of the Sierra Nevada Auriferous Gold Channels
      • Geology of the Ione Formation in the Ione Area
      • A Historical Review Of The Age Assignments Applied To The Chalk Bluff Fossil Plant Assemblage, Central Sierra Nevada
      • Gold Bearing Gravels of the Ancestral Yuba River, Sierra Nevada
      • Re-evaluation of the origin of kaolinite in the Ione Formation
      • Geology and Ceramic Properties of the Ione Formation, Buena Vista Area
      • A Middle Eocene Flora From The Central Sierra Nevada
      • Origin of gold in placer deposits of the Sierra Nevada Foothills, California
      • The Ione Formation of California
    • Geologic hazards associated with Eocene and Oligocene Sedimentary Units in the Sierra Nevada Foothills
      • CGS Geologic Hazard Notice — Smectitic Sediments
  • Contact
  • About
  • Images
    • UC Davis Petrified Log Installation

Tag Archives: anauxite

Re-evaluation of the origin of kaolinite in the Ione Formation

Posted on October 10, 2013 by James Wood

This research document is posted in the References collection.

Posted in Early Tertiary References, Oxisols | Tagged anauxite, detrital clay clasts, Eocene kaolinite, Eocene Oxisol, Ione Formation kaolinite, Late Eocene smectite, pedarenite, pedogenic silica cement

Geology of the Ione Formation in the Ione Area

Posted on July 31, 2013 by James Wood

This document is now available in the References Section.  It is Part B of the Guidebook for the Fieldtrip conducted for the 1995 Association of Engineering Geologists Annual Meeting in Sacramento CA.

Posted in Early Tertiary auriferous gravels, Early Tertiary References, Early Tertiary tropical climate, Late Eocene climate change, Oxisols | Tagged anauxite, detrital clay clasts, Early Eocene tropical climate, Early Tertiary auriferous gravels, Early Tertiary Oxisols, Eocene kaolinite, Ione Formation, origin of gold nuggets, pedarenite, pedogenic silica cement

Other Stuff

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org
Proudly powered by WordPress