p40sAr/p39sAr age-spectrum data of Neogene and younger basalts in west central Colorado
By: by Michael J. Kunk and Lawrence W. Snee.
Contributors: Snee, Lawrence W.; Geological Survey (U.S.)
Series: Open-file report -- 98-243; U.S. Geological Survey open-file report -- 98-243.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1998
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 112
Subjects: Geochronometry -- Colorado.; Basalt -- Colorado.; Argon-argon dating -- Colorado.
Other titles: Forty Ar, thirty nine Ar age spectrum data of Neogene and younger basalts in west central Colorado
Notes: Cover title.

Shipping list no.: 2002-0363-M.

Includes bibliographical references (p. 112).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 2002] 1 microfiche : negative.