Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona
By: by Charles D. Walcott ; with notes on the petrographic character of the lavas, by Joseph Paxson Iddings
Contributors: Iddings, Joseph Paxson, 1857-1920; Geological Survey (U.S.).
Series: Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I; Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I
Publisher: s.n.
Published: 1894
Place of publication: S.l
Language: eng
Format: [electronic resource] /
Number of pages: 524
Subjects: Stratigraphic Geology; Igneous rocks; Geology; Petrology
Notes: On plates: U.S. Geological Survey Fourteenth Annual Report.

Reproduction of the original from the Library of Congress.

Includes bibliographical references.