Neogene-Quaternary volcanism and mineralization in the central Andes
By: by George E. Ericksen ... [et al.].
Contributors: Ericksen, George Edward.; Geological Survey (U.S.)
Series: Open-file report -- 87-634.; U.S. Geological Survey open-file report -- 87-634.
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1987
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Calderas -- Andes.; Volcanism -- Andes.; Rocks, Igneous -- Andes.
Other titles: Neogene quaternary volcanism and mineralization in the central Andes.
Notes: Distributed to depository libraries in microfiche.

Bibliography: p. 28-35.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 198 7]. 1 microfiche ; 11 x 15 cm.