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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: December 1983
John B. Townshend, J.E. Papp, E.A. Sauter, P.A. Franklin, L.Y. Torrence
1983, Open-File Report 83-300-L
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory;...
Data supplement to: Quality of coal mine drainage to Washington, 1975-77
Louis A. Fuste, F. A. Packard, M. O. Fretwell, D.P. Garland
1983, Open-File Report 83-205
From December 1975 to September 1977 the U.S. Geological Survey studied coal mine drainage in western Washington to 1) characterize the water quality of drainage from abandoned mines in the 11 coal-bearing areas of the State; 2) examine the water quality effects on a stream receiving drainage from an abandoned...
Floods of April 1983 in southern Mississippi and southeastern Louisiana
Darrell D. Carlson, Gary D. Firda
1983, Open-File Report 83-685
Extreme flooding occurred in April 1983 in southern Mississippi and southeastern Louisiana. The floods resulted from a near-stationary cold front, which moved slowly across Louisiana and Mississippi. Flood heights and discharges of many streams exceeded previously known maximums of record, and for many the recurrence interval of peak discharge exceeded...
Geologic and geophysical investigations of Climax Stock intrusive, Nevada
Water Resources Division, U.S. Geological Survey
1983, Open-File Report 83-377
The Climax stock is a composite granitic intrusive of Cretaceous age, composed of quartz monzonite and granodiorite, which intrudes rocks of Paleozoic and Precambrian age. Tertiary volcanic rocks, consisting of ashflow and ash-fall tuffs, and tuffaceous sedimentary rocks overlie the sedimentary rocks and the stock. Erosion has removed much of...
Crustal structure of southwestern Saudi Arabia
M. E. Gettings, H. R. Blank, W. D. Mooney, J. H. Healy
1983, Open-File Report 83-638
The southwestern Arabian Shield is composed of uplifted Proterozoic metamorphic and plutonic rocks. The Shield is bordered on the southwest by Cenozoic sedimentary and igneous rocks of the Red Sea paar and on the east by the Arabian Platform, an area of basin sedimentation throughout Phanerozoic time. The Shield appears...
Sourcebook of locations of geophysical surveys in tunnels and horizontal holes including results of seismic-refraction surveys, Rainier Mesa, Aqueduct Mesa, and Area 16, Nevada Test Site
R. D. Carroll, J. E. Kibler
1983, Open-File Report 83-399
Seismic refraction surveys have been obtained sporadically in tunnels in zeolitized tuff at the Nevada Test Site since the late 1950's. Commencing in 1967 and continuing to date (1982), extensive measurements of shear- and compressional-wave velocities have been made in five tunnel complexes in Rainier and Aqueduct Mesas and in...
Cost-effectiveness of the stream-gaging program in Maine
Richard A. Fontaine, M. E. Moss, J.A. Smath, W. O. Thomas
1983, Open-File Report 83-261
Data uses and funding sources were identified for the 51 continuous stream gages currently being operated in Maine. Three stream-gages were identified as having insufficient reason to continue their operation. Operation of these stations were identified as having uses specific only to short-term studies; it is recommended that these stations...
Continuous seismic-reflection survey defining shallow sedimentary layers in the Charlotte Harbor and Venice areas, southwest Florida
R. M. Wolansky, F.P. Haeni, R.E. Sylvester
1983, Water-Resources Investigations Report 82-57
A continuous marine seismic-reflection survey system was used to define the configuration of shallow sedimentary layers underlying the Charlotte Harbor and Venice areas, southwest Florida. Seismic profiling was conducted over a distance of about 57 miles of Charlotte Harbor, the Peace and Myakka Rivers, and the Intracoastal Waterway near Venice...
Geochemistry and economic potential of massive sulfide deposits from the eastern Pacific Ocean
James L. Bischoff, R.J. Rosenbauer, P. J. Aruscavage, P. A. Baedecker, J.G. Crock
1983, Open-File Report 83-324
Bulk chemical analyses are performed for major and minor elements using a variety of techniques on a suite of 9 samples of sea floor massive sulfide deposits from 21?N EPR, Juan de Fuca Ridge and Galapagos Rift. Results indicate that deposits at 21?N and Juan de Fuca are very similar...