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Tysdal, Russell G.

Correlation, sedimentology, structural setting, chemical composition, and provenance of selected formations in Mesoproterozoic Lemhi Group, central Idaho Russell G. Tysdal, David A. Lindsey, and Joseph E. Taggart, Jr. - Denver U.S. Geological Survey 2003. - vi, 40 p. ill. (some col.), maps (some col.) 29 cm. - U.S. Geological Survey professional paper 1668 A-B .

Includes bibliographical references.

A. Correlation, sedimentology, and structural setting, upper strata of Mesoproterozoic Apple Creek Formation and lower strata of Gunsight Formation, Lemhi Range to Salmon River Mountains, east-central Idaho / by Russell G. Tysdal. B. Chemical composition and provenance of the Mesoproterozoic Big Creek, Apple Creek, and Gunsight formations, Lemhi Group, central Idaho / by David A. Lindsey, Russsell G. Tysdal, and Joseph E. Taggart, Jr.

ISBN: 0607996803

LCCN: 2002190815

Subjects--Topical Terms:
Geology, Stratigraphic--Proterozoic.
Formations (Geology)--Idaho.

Subjects--Geographic Terms:
Lemhi Group Idaho

LC Class. No.: QE653.5 / .T964 2003

Dewey Class. No.: 551.715 / T994c

National Agricultural Library Call No.: 407 / G29Pr no. 1668 A-B

GPO Item No.: 0624

Gov. Doc. Class. No.: I 19.16:1668 A-B