Author : Charles Albert Sandberg
Release : 1965
Genre : Geology
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Nomenclature and Correlation of Lithologic Subdivisions of the Jefferson and Three Forks Formations of Southern Montana and Northern Wyoming by : Charles Albert Sandberg
Download or read book Nomenclature and Correlation of Lithologic Subdivisions of the Jefferson and Three Forks Formations of Southern Montana and Northern Wyoming written by Charles Albert Sandberg. This book was released on 1965. Available in PDF, EPUB and Kindle. Book excerpt: The Jefferson Formation (upper Devonian) comprises a thick lower member and the Birdbear Member. The overlying Three Forks Formation (Devonian and Mississippian) comprises the Logan Gulch, Trident, and Sappington Members. These members are described at the classic type section of the Jefferson and Three Forks Formations near Logan, Mont., and their distribution in southern Montana and northern Wyoming is shown. The members are correlated with stratigraphic units adjoining parts of Montana. Idaho, Wyoming, North Dakota, and Canada.
