Geochronological data for the Pioneer Mountains, southwestern Montana : part I, Ar/Ar age-spectrum and conventional K/Ar dates for unaltered plutons /

Geochronological data for the Pioneer Mountains, southwestern Montana : part I, Ar/Ar age-spectrum and conventional K/Ar dates for unaltered plutons /

Bibliographic Details
Main Author: Snee, Lawrence W.
Corporate Author: Geological Survey (U.S.)
Other Authors: Sutter, John F.
Format: Government Document Book
Language:English
Published: [Reston, Va.] : The Survey, 1982.
Series:Open-file report (Geological Survey (U.S.)) ; 82-961.
Subjects:
Potassium-argon dating.
Intrusions (Geology) > Montana.
Description
Item Description:Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 1 microfiche ; 11 x 15 cm.
Chiefly tables.
Microform.
Physical Description:1 volume ; 28 cm.
Bibliography:Bibliography: leaf 50.