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Page 4862, results 121526 - 121550

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Not all publications have extents, not all extents are completely accurate
Red-Sea rift magmatism near Al Lith, Kingdom of Saudi Arabia
J.S. Pallister
1986, Open-File Report 86-565
A newly recognized Tertiary dike complex and comagmatic volcanic rocks exposed on the central Saudi Arabian coastal plain record early stages of magmatism related to Red Sea rifting. Intrusive and stratigraphic relationships, and new potassium-argon dating indicate episodic magmatism from about 30 Ma to the present. Additional stratigraphic and radiometric...
Genesis and evolution of the Baid al Jimalah tungsten deposit, Kingdom of Saudi Arabia
Robert J. Kamilli
1986, Open-File Report 86-588
The Baid al Jimalah tungsten deposit flat 25°09 N., long 42°41' E.) is a swarm of steeply dipping, sheeted, tungsten-bearing quartz veins. It is spatially, temporally, and genetically associated with a 569 Ma, highly differentiated, porphyritic granite that intrudes late Proterozoic, immature sandstones of the Murdama group. The bulk of the...
A history of annual streamflows from the 21 water-resource regions in the United States and Puerto Rico, 1951-83
D.J. Graczyk, W.R. Krug, W.A. Gebert
1986, Open-File Report 86-128
Annual streamflows from the 21 water-resource regions in the United States and Puerto Rico were calculated for the period 1951-83. The total streamflow discharging to the oceans from the conterminous United States during this period averaged 1,270 billion gallons per day. The outflow from the Lower Mississippi Water-Resource Region (08),...
A data-management system for detailed areal interpretive data
C.F. Ferrigno
1986, Water-Resources Investigations Report 86-4091
A data storage and retrieval system has been developed to organize and preserve areal interpretive data. This system can be used by any study where there is a need to store areal interpretive data that generally is presented in map form. This system provides the capability to grid areal interpretive...
Description and interpretation of geologic materials from shotholes drilled for the Trans-Alaska Crustal Transect project, Copper River basin, Alaska, May 1985
J. K. Odum, L. A. Yehle, H. R. Schmoll, Chuck Gilbert
1986, Open-File Report 86-408
This map shows the potentiometric surface of the Upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, for May 1986. The Upper Floridan aquifer is the principal source of potable water in the area. Water level measurements were made on approximately 1,000 wells and on...