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Page 5781, results 144501 - 144525

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Publication Extents

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Geophysical investigations in the Bi'r Idimah-Wadi Wassat area, Saudi Arabia, Part One
R. V. Allen, W. E. Davis
1969, Open-File Report 69-5
Introduction A geophysical investigation was conducted over the northern part of a large gossan near Bi'r Idimah in the Asir quadrangle. The study was made primarily to determine the electromagnetic response of a deposit of massive sulphides found in exploratory drilling. Presumably the geophysical data could be used to trace the...
Metalliferous deposits near Granite Mountain, eastern Seward Peninsula, Alaska
Thomas P. Miller, Raymond L. Elliott
1969, Circular 614
New deposits of lead, zinc, and silver were found in a large altered zone 18 miles long and 2 to 5 miles wide near Quartz Creek west of Granite Mountain in the eastern Seward Peninsula, Alaska. New deposits of molybdenum, bismuth, and silver were found associated with a previously reported...
Establishment of gold-quartz standard GQS-1
Hugh T. Millard, John Marinenko, John E. McLane
1969, Circular 598
A homogeneous gold-quartz standard, GQS-1, was prepared from a heterogeneous gold-bearing quartz by chemical treatment. The concentration of gold in GQS-1 was determined by both instrumental neutron activation analysis and radioisotope dilution analysis to be 2.61?0.10 parts per million. Analysis of 10 samples of the standard by both instrumental neutron...