U.S. Geological Survey TRIGA reactor / U.S. Government Library of Congress Cataloging-in-Publication Data Reynolds / Hicks Dome / Argon Laboratory / TRIGA reactor / Federal Center / Tolu arch / /
IndustryTerm
split gas fractions / rare gas mass spectrometer / thermal energy / oil / contiguous gas fractions / sill site / igneous conglomerate / /
NaturalFeature
Upper Mississippi Valley / Rough Creek / Concordant Ar/ Ar plateau / /
Organization
Congress / UNITED STATES GOVERNMENT PRINTING OFFICE / Federal Center Denver / U.S. DEPARTMENT OF THE INTERIOR / /
Person
Samson / Martin B. Goldhaber / Richard L. Reynolds / Alexander / Gordon P. Eaton / GRANT INTRUSIVE BRECCIA GEOCHRONOLOGY / Jennie L. Ridgley / Richard L. Paleomagnetic / Lawrence W. Snee / /
Position
Director For sale / Secretary U.S. GEOLOGICAL SURVEY / /
Product
Ar/ Ar / /
ProvinceOrState
Fluorspar / Kentucky / Wisconsin / Illinois / Hardin County / Upper Mississippi Valley / Illinois-Kentucky Fluorspar / Colorado / Washington / /
Paleomagnetic and 40Ar/39Ar Results from the Grant Intrusive Breccia and Comparison to the Permian Downeys Bluff Sill—Evidence for Permian Igneous Activity at Hicks Dome, Southern Illinois Basin By Richard L. Reynolds,