William Ridley
Willian (Ian) Ridley is a Research Geologist with the Geology, Geophysics, and Geochemistry Science Center.
Professional Experience
Previous USGS Assignments
Staff Scientist, Central Colorado Project Staff Scientist, Integrated Studies of National Parks (Big Bend)
Section Chief, Branch of Exploration Geochemistry and Branch of GeochemistryConsultant Geochemist, Evergreen, CO
Geochemist, Geoexplorers International, Denver, CO
Exploration Manager, Beard Oil Company, Evergreen , CO
Research Specialist, Exxon Production Research Company, Houston, TX
Adjunct Professor, Columbia University, NY, NY
Anglo-American Visiting Professor of Geochemistry, University of Witswatersrand, Johanessburg, SA
Associate Professor, Columbia University, NY, NY
Adjunct Professor, Rutgers University, New Brunswick, NJ
Staff Scientist, Lunar and Planetary Institute, Houston, TX
National Research Council Associate, NASA-MSC, Houston, TX
Research Geologist, British Geological Survey, London, UK
Education and Certifications
Ph.D. (Geochemistry, Volcanology), Royal College of Science,Univ. of London 1968
Associate (Geochemistry), Royal School of Mines, Univ. of London 1968
B.Sc. (Geology/Chemistry), Royal College of Science, Univ. of London 1964
Affiliations and Memberships*
Adjunct Professor, Colorado School of Mines
Honors and Awards
Judd Research Prize, Imperial College, London University
NASA Distinguished Service Award
USGS Star Award
Ten NASA Research Grants
Seven NSF Research Grants
Four Miscellaneous Awards (EPRI, DOE, ONR)
Three USGS Venture Capital Awards
Abstracts and Presentations
141 abstract and extended abstracts
125 peer-reviewed papers
Science and Products
Application of iron and zinc isotopes to track the sources and mechanisms of metal loading in a mountain watershed
Isotopic variations of dissolved copper and zinc in stream waters affected by historical mining
Fractionation of Cu and Zn isotopes during adsorption onto amorphous Fe(III) oxyhydroxide: Experimental mixing of acid rock drainage and ambient river water
Laser ablation ICP-MS in geochemistry and biogeochemistry: A progress report
Geochemical and sulfur-isotopic signatures of volcanogenic massive sulfide deposits on Prince of Wales Island and vicinity, southeastern Alaska
Separation of copper, iron, and zinc from complex aqueous solutions for isotopic measurement
Studies by the U.S. Geological Survey in Alaska, 2005
Incorporation of seawater into mid-ocean ridge lava flows during emplacement
A review of isotopic composition as an indicator of the natural and anthropogenic behavior of mercury
Plumbo-isotopy: the measurement of lead isotopes by multi-collector inductively coupled mass spectrometry
Channelized lava flows at the East Pacific Rise crest 9°-10°N: the importance of off-axis lava transport in developing the architecture of young oceanic crust
Magmatic effects of the Cobb hot spot on the Juan de Fuca Ridge
Science and Products
Application of iron and zinc isotopes to track the sources and mechanisms of metal loading in a mountain watershed
Isotopic variations of dissolved copper and zinc in stream waters affected by historical mining
Fractionation of Cu and Zn isotopes during adsorption onto amorphous Fe(III) oxyhydroxide: Experimental mixing of acid rock drainage and ambient river water
Laser ablation ICP-MS in geochemistry and biogeochemistry: A progress report
Geochemical and sulfur-isotopic signatures of volcanogenic massive sulfide deposits on Prince of Wales Island and vicinity, southeastern Alaska
Separation of copper, iron, and zinc from complex aqueous solutions for isotopic measurement
Studies by the U.S. Geological Survey in Alaska, 2005
Incorporation of seawater into mid-ocean ridge lava flows during emplacement
A review of isotopic composition as an indicator of the natural and anthropogenic behavior of mercury
Plumbo-isotopy: the measurement of lead isotopes by multi-collector inductively coupled mass spectrometry
Channelized lava flows at the East Pacific Rise crest 9°-10°N: the importance of off-axis lava transport in developing the architecture of young oceanic crust
Magmatic effects of the Cobb hot spot on the Juan de Fuca Ridge
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government