H. D. King, E.F. Cooley, D. L. Spiesman Jr.
1983, Open-File Report 80-811-K
No abstract available....
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Publication Extents
Not all publications have extents, not all extents are completely accurateMichael S. Marlow, T.L. Vallier, A. K. Cooper, J.A. Barron, F.H. Wingate
1983, Open-File Report 83-325
Frederick A. Wilson
1983, Open-File Report 83-93
Geophysical methods consisting of gravity, aeromagnetics and aeroradioactivity have been applied to part of the Charlotte and Carolina slate belts in southern Mecklenburg County and vicinity to help interpret geology, lithology and structure. High aeroradioactivity is associated with potassium-rich granitic plutons, muscovite-rich gneisses, schists, and metavolcanic rocks; positive gravity and...
G. L. Shideler, C. E. Stelting
1983, Miscellaneous Field Studies Map 1530
No abstract available....
James George Evans, M. D. Conyac, P. C. Hyndman, R. T. Mayerle
1983, Open-File Report 83-409
John B. Cathrall, G.W. Day, J. D. Hoffman, S.K. McDanal
1983, Open-File Report 83-420-C
No abstract available....
John R. Williams
1983, Open-File Report 83-457
No abstract available....
Gerald F. Wieczorek, Ellen Stephen, E.W. Lips, S.H. Cannon
1983, Open-File Report 83-635
Cynthia D. Donaldson, Edward J. Koszalka
1983, Open-File Report 82-160
R. J. Williams
1983, Open-File Report 83-294
No abstract available....
Klaus J. Schulz
1983, Miscellaneous Field Studies Map 1592
The mineral resource potential of the Blackjack Springs Wilderness in the Nicolet National Forest, Vilas County, Wisc., was evaluated in 1982. No bedrock exposures are known in or near the wilderness. Geophysical data and regional geologic relations suggest that the area consists mostly of recrystallized and deformed mafic volcanic rocks...
Klaus J. Schulz
1983, Miscellaneous Field Studies Map 1583
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral resource potential. Results must be made available to the public and be submitted to the President...
Richard E. Willey, John R. Williams, Gary D. Tasker
1983, Open-File Report 83-145
C. L. Whittington, D. J. Grimes, J.A. Peterson
1983, Open-File Report 83-344
No abstract available....
J. Fred Smith Jr., G.X. Hernandez, K. B. Ketner, M. C. Smith
1983, Open-File Report 83-303
C. L. Whittington, R. W. Leinz, W. S. Speckman
1983, Open-File Report 83-349
No abstract available....
W. N. Sharp, R.A. Martin, M. E. Lane
1983, Miscellaneous Field Studies Map 1483-A
George Wong
1983, Open-File Report 83-719
W. C. Swadley, D. L. Hoover
1983, Open-File Report 83-608
Study of three trenches excavated across two faults along the eastern edge of Crater Flat indicates that the main fault movement offset unit QTa in trench 1 at least 2.4 m down to the west, and occurred about 1.1 m.y. ago, as indicated by included basalt ash. Later fault movement,...
M. E. Cooley
1983, Open-File Report 83-548
A. B. Gibbons, D.D. Dickey
1983, Open-File Report 83-288
No abstract available....
George Wong
1983, Open-File Report 83-95
Jon E. Spencer, Ryan D. Turner
1983, Open-File Report 83-614
James M. Robb
1983, Open-File Report 83-353
Because of the need for knowledge of an offshore area that is undergoing exploration for oil and gas resources, since 1975 the U.S. Bureau of Land Management (BLM) has funded studies of the environmental characteristics of the Mid-Atlantic Outer Continental Shelf. This volume briefly summarizes a final report to the...
Donald Clarence Ross
1983, Open-File Report 83-465
The southernmost Sierra Nevaaa widely exposes hornblende-rich, gneissic to granoblastic, amphibolite- to granulite-grade, metamorphic rocks and associated magmatic rocks, all of mid-Cretaceous age. Locally, red garnet, in part in euhedral crystals as large as 10 cm, as well as strongly pleochroic hyperstnene, characterize these rocks. These hornblende-rich rocks dominate the...