Rutile and topaz in Precambrian gneiss
Subtitle: Jefferson and Clear Creek Counties, Colorado
By: by Douglas M. Sheridan, Richard B. Taylor, and Sherman P. Marsh.
Contributors: Taylor, Richard B. joint author.; Marsh, Sherman P., 1935- joint author.
Series: Geological Survey circular 567; Geological Survey circular ;; 567.
Published: 1968
Place of publication: Washington
Language: eng
Subjects: Rutile -- Colorado -- Jefferson County.; Rutile -- Colorado -- Clear Creek County.; Topaz -- Colorado -- Jefferson County.; Topaz -- Colorado -- Clear Creek County.; Gneiss -- Colorado -- Jefferson County.; Gneiss -- Colorado -- Clear Creek County.; Geology, Stratigraphic -- Precambrian.