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The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America
A paper that reviews the Helderberg Group and its relation to the Silurian-Devotion boundary.
Date:
1964
Creator:
Berdan, Jean M.
System:
The UNT Digital Library
Coal Resources of Lawrence County Pennsylvania
A report about the coal-bearing rocks found in Lawrence County, Pennsylvania. Lawrence County is in west-Central Pennsylvania in the northern part of the Appalachian coal field.
Date:
1964
Creator:
Van Lieu, J. A. & Patterson, Elmer D.
System:
The UNT Digital Library
Geology and Uranium Deposits of the Southern Part of the Powder River Basin, Wyoming
A report about the Powder River Basin in northeastern Wyoming which is a physiographic unit bounded on the west by the Bighorn Mountains. There are sedimentary rocks which range in age from Cambrian to Oligocene.
Date:
1964
Creator:
Sharp, William N. & Gibbons, Anthony B.
System:
The UNT Digital Library
Geologic Reconnaissance of the Antelope-Ashwood Area North-Central Oregon
A report describing the geology of a few counties in Oregon. Strata is exposed that ranges in age from pre-Tertiary to Quaternary.
Date:
1964
Creator:
Peck, Dallas L.
System:
The UNT Digital Library
Nonopaque Heavy Minerals in Sandstone of Jurassic and Cretaceous Age in the Black Hills Wyoming and South Dakota
A report about sandstone in the black hills of Wyoming and South Dakota. It discusses the nonopaque heavy minerals found within it.
Date:
1964
Creator:
Mapel, W. J.; Chisholm, W. A. & Bergenback, R. E.
System:
The UNT Digital Library
Geology of Franklin, Webster, and Nuckolls Counties, Nebraska
A report about the Geology of three locations in Nebraska. Each location primarily are made up of Shale and chalk of Late Cretaceous age.
Date:
1964
Creator:
Miller, Robert D.; Van Horn, Richard; Dobrovolny, Ernest & Buck, Laurence P.
System:
The UNT Digital Library
Oxidized Zinc Deposits of the United States: Part 3. Colorado
From abstract: Deposits of oxidized zinc ore are widely distributed in the western part of Colorado in the Rocky Mountains west of the Front Range and in the uplifted plateaus that border the main area of the Colorado Plateau. The principal production and reserves are restricted to several mining districts--Leadville. Aspen, Monarch, Spring Creek. Horseshoe, Tomichi, Tincup, and Rico--in all of which limestone and dolomites of Paleozoic age are the main host rocks. One deposit, that of the Sedalia mine near Salida has produced commercial quantities of oxidized zinc-copper ore from noncarbonate host rocks, but other known deposits in noncarbonate rocks are mostly low grade.
Date:
1964
Creator:
Heyl, Allen V.
System:
The UNT Digital Library
Geology and Uranium Deposits of the Southern Part of the Powder River Basin, Wyoming
This report follows the geological field studies of uranium deposits near Pumpkin Buttes in the central part of the Powder River Basin, Wyoming, and eventually moving south of the basin.
Date:
1964
Creator:
Sharp, William N. & Gibbons, Anthony B.
System:
The UNT Digital Library
Coal Resources of Lawrence County, Pennsylvania
This report records the distribution, thickness, and reserves of coal in Lawrence County, Pennsylvania.
Date:
1964
Creator:
Van Lieu, J. A. & Patterson, E. D.
System:
The UNT Digital Library
Geology of Franklin, Webster, and Nuckolls Counties, Nebraska
The following report was prepared as part of a program of the Department of the Interior for the development of the Missouri River basin. The report focuses on the study of the geology of part of south-central Nebraska, with emphasis on the deposits of the Pleistocene age and their engineering characteristics.
Date:
1964
Creator:
Miller, Robert D.; Van Horn, Richard; Dobrovolny, Ernest & Buck, Laurence P.
System:
The UNT Digital Library
Hawaiian Volcanoes During 1955
From introduction: "This report continues the systematic account of conditions at Hawaiian volcanoes begun in earlier reports of this series."
Date:
1964
Creator:
Macdonald, Gordon A. & Eaton, Jerry P.
System:
The UNT Digital Library
Review and Annotated Bibliography of Ancient Lake Deposits (Precambrian to Pleistocene) in the Western States
This report presents maps and an annotated bibliography of ancient lake deposits in 11 Western States.
Date:
1964
Creator:
Feth, J. H.
System:
The UNT Digital Library
Geology and Coal Resources of the Coal-Bearing Rocks of Alabama
"A detailed estimate of the reserves of coal in Alabama and a description of the stratigraphy of the coal-bearing rocks."
Date:
1964
Creator:
Culbertson, William Craven
System:
The UNT Digital Library
Nonopaque Heavy Minerals in Sandstone of Jurassic and Cretaceous Age in the Black Hills, Wyoming and South Dakota
The following report describes the examinations of the nonopague heavy minerals in sandstone found in the Black Hills in northeastern Wyoming and western South Dakota. The studies were made to determine if differences in the shapes of the grains and proportions of minerals are sufficiently distinctive to be used in subdividing and correlating formations.
Date:
1964
Creator:
Mapel, W. J.; Chisholm, Wayne A. & Bergenback, Richard Edwards
System:
The UNT Digital Library
Geologic Reconnaissance of the Antelope-Ashwood Area North-central Oregon: With Emphasis on the John Day Formation of Late Oligocene and Early Miocene Age
From introduction: "This report briefly describes the geology of an area of about 750 square miles in Jefferson, Wasco, Crook, and Wheeler Counties, Oregon."
Date:
1964
Creator:
Peck, Dallas L.
System:
The UNT Digital Library