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Activity

2007

• A REVIEW OF ROCK POLISH WITH AN EXAMPLE OF EXTREMELY HIGH POLISH ON THE ROCKS OF UPLIFTED SEA STACKS ALONG THE NORTHERN COAST OF CALIFORNIA, USA
  24 Quaternary Geology, Geomorphology, Archaeological Geology
  Sunday, 6 May 2007

  8:00 AM - 11:30 AM

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2002

• THE IMAGE OF THE PLANET EARTH AS AN ACTIVE AGENT IN JAMES HUTTON'S THEORY OF THE EARTH WITH PROOFS AND ILLUSTRATIONS
  56 History of Geology
  Monday, 28 October 2002

  8:00 AM - 12:00 PM

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2001

• THE COMPOSITION AND AGE OF PSEUDOTACHYLYTE AND WHITE NATURAL GLASS FROM THE HEALDSBURG - RODGERS CREEK FAULT ZONE, TAYLOR MOUNTAIN, SONOMA COUNTY, CALIFORNIA AND ITS IMPLICATION FOR THE AGE OF THE SAN ANDREAS FAULT SYSTEM
  1 Active Tectonics and Paleoseismology of the San Andreas Fault System
  Monday, 9 April 2001

  8:00 AM - 11:30 AM

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Date Unknown

• THE ENLARGEMENT OF 19TH CENTURY DRILL HOLES IN ARKOSIC SANDSTONE BLOCKS IN THE SPRAY ZONE AT SALT POINT STATE PARK, NORTHERN CALIFORNIA COAST
  36 Quaternary Geology (Posters)
• A RECONNAISSANCE STUDY OF VARIATIONS IN ELEMENTAL CONCENTRATIONS DURING WEATHERING AND TAFONI DEVELOPMENT IN 19TH CENTURY ARKOSIC SANDSTONE BLOCKS IN THE SPRAY ZONE AT SALT POINT STATE PARK, NORTHERN CALIFORNIA COAST, U.S.A
  86 Quaternary Geology/Geomorphology (Posters) I: Lakes, Dunes, Soils, and Tectonics
• DIFFERENCE BETWEEN ELEMENTAL CONCENTRATIONS IN PSEUDOTACHYLYTE, CONTACT WHITE NATURAL GLASS AND PARENT RHYOLITE TUFF FROM THE HEALDSBURG - RODGERS CREEK FAULT ZONE, TAYLOR MOUNTAIN, SONOMA COUNTY, CALIFORNIA
  61 Structural Geology (Posters): Faulting, Folding, and Fabric Development