Caldera-related lava flows and intrusions of the south-central San Juan Mountains, Colorado
Subtitle: analytical data
By: by Douglas B. Yager, Peter W. Lipman and David A. Sawyer.
Contributors: Lipman, Peter W.; Sawyer, David A.; Geological Survey (U.S.)
Series: Open-file report -- 91-313; U.S. Geological Survey open-file report -- 91-313..
Publisher: U.S. Geological Survey; Books and Open-File Reports Section [distributor]
Published: 1991
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 19
Subjects: Calderas -- San Juan Mountains (Colo. and N.M.).; Volcanic ash, tuff, etc. -- San Juan Mountains (Colo. and N.M.).; Intrusions (Geology) -- San Juan Mountains (Colo. and N.M.)
Notes: Cover title.

Distributed to depository libraries in microfiche.

Shipping list no.: 92-2162-M.

Includes bibliographical references (leaf 11).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 2 microfiches : negative.