Chemical analyses used to compute the average chemical composition of rocks and glasses for geochemical units defined in the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho
By: by Thomas L. Wright.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 88-263.; U.S. Geological Survey open-file report -- 88-263.
Publisher: Dept. of the Interior, U.S. Geological Survey; [Books and Open-file Reports Section, distributor
Published: 1988
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Subjects: Geochemistry -- Northwest, Pacific.; Basalt -- Northwest, Pacific.; Petrogenesis -- Northwest, Pacific.
Notes: Chiefly tables.

Includes bibliographical references.