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Bauxite and Kaolin Deposits of the Irwinton district, Georgia
Walter B. Lang, Walter C. Warren, Raymond M. Thompson, Elizabeth F. Overstreet
1965, Bulletin 1199-J
The Irwinton district is in the central part of Georgia at the inner margin of the Coastal Plain province. The oldest rocks exposed in the district are crystalline rocks of the Piedmont province. They are unconformably overlain by nonmarine sedimentary strata of Late Cretaceous age, including gravel, micaceous sand, and...
Gravity survey in southern Cascade Range, California
Thomas R. LaFehr
1965, Open-File Report 65-92
A regional gravity survey in the southern Cascade Range and environs was made during the summers of 1962 and 1963. Twelve hundred gravity stations were established within the area enclosed by lat 41°00'N, lat 42°301N, long 120°00'W, and long 124°00'W. Most of the stations are concentrated in an area overlapping...
Density comparison method for the measurement of isotopic variations in prepared waters
Joseph Howard McCarthy Jr., Thomas Seward Lovering, Herbert Williams Lakin
1965, Open-File Report 65-103
The falling-drop method of density determination has been modified so that the densities of a standard and a sample water are compared simultaneously. A constant temperature bath that does not vary more than 0.0001°C and an accurate double micropipet are described. The method has sufficient sensitivity and precision to distinguish...
Plant microfossils of the Hazard No. 7 coal, Perry County, Kentucky
Robert M. Kosanke
1965, Open-File Report 65-89
The cooperative mapping program between the Kentucky Geological Survey and the U. S. Geological Survey has yielded a number of interesting and valuable by-products. As a part of the stratigraphic studies involving Carboniferous coal fields, R. M. Kosanke has been involved in a detailed analysis of spore floras from various...
Bauxite deposits of Virginia
Walter Cyrus Warren, Josiah Bridge, Elizabeth Claire Fischer Overstreet
1965, Bulletin 1199-K
No abstract available....