Executive Editors
Robert B. Cook
    Auburn University, AL
Peter J. Modreski
    U.S. Geological Survey, Denver
John Rakovan
    Miami University, Oxford, OH

Paleontology Editor
J. Thomas Dutro Jr.
    U.S. Geological Survey
    Washington, DC

Petrology Editor
R. V. Dietrich
    Mt. Pleasant, MI

Consulting Editors
Joel A. Bartsch
    Houston Museum of Natural Science
Bruce Cairncross
    University of Johannesburg, South Africa
Steven C. Chamberlain
    Syracuse, NY
Richard D. Dayvault
    Grand Junction, CO
Merrill W. Foster
    Bradley University, IL
Carl A. Francis
    Harvard University
Terry E. Huizing
    Cincinnati Museum Center, OH
Mark I. Jacobson
    Chengdu, China
Anthony R. Kampf
    L. A. County Museum of Natural History
Peter L. Larson
    Black Hills Institute of Geological Research, SD
Virgil W. Lueth
    New Mexico Institute of Mining & Technology
Michael Leybov
    Moscow State University, Russia
Mark Mauthner
    Gemological Institute of America, Carlsbad, CA
Alfredo Petrov
    Peekskill, New York
Robert Ramik
    Royal Ontario Museum, Toronto
R. Peter Richards
    Heidelberg College, OH
George W. Robinson
    Michigan Technological University
Arthur E. Smith Jr.
    Houston, TX
Woodrow B. Thompson
    Maine Geological Survey, Augusta
John S. White
    Stewartstown, PA
Marc Wilson
    Carnegie Museum of Natural History, Pittsburgh
Michael A. Wise
    Smithsonian Institution

Associate Photographers
Dan Behnke
    Northbrook, IL
Jeffrey Scovil
    Phoenix, AZ

Associate Cartographer
William W. Besse
    Monrovia, CA

Rocks and Minerals Staff
Marie E. Huizing
    Editor-in-Chief