Stratigraphy and depositional environments of middle Proterozoic rocks, northern part of the Lemhi Range, Lemhi County, Idaho
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Abstract
Geologic mapping shows Middle Proterozoic strata form two packages of strata north and south of the Tertiary Lem Peak normal fault. Strata north of the fault, the main focus of this report, contain thicknesses and lithofacies of the Big Creek and Apple Creek formations of the Lemhi Group that contrast with those south of the fault. Strata south of the fault, examined mainly in reconnaissance, may have been thrust eastward prior to being downdropped.
Study Area
Publication type | Report |
---|---|
Publication Subtype | USGS Numbered Series |
Title | Stratigraphy and depositional environments of middle Proterozoic rocks, northern part of the Lemhi Range, Lemhi County, Idaho |
Series title | Professional Paper |
Series number | 1600 |
DOI | 10.3133/pp1600 |
Year Published | 2000 |
Language | English |
Publisher | U.S. Geological Survey |
Description | iv, 40 p. |
Country | United States |
State | Idaho |
County | Lemhi County |
Other Geospatial | Lemhi Range |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |