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Page 5849, results 146201 - 146225

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Geologic map of Lunar Orbiter site III P-11, Oceanus Procellarum south of equator
David Cummings
1968, Open-File Report 69-65
This map shows the geology of Lunar Orbiter site III P-11 within which lies landing ellipse West Two, a potential early Apollo landing site in the lunar equatorial belt. The area is in Oceanus Procellarum, south of the equator, approximately 320 km south of the crater Kepler. It is covered...
Utilization of humus-rich forest soil (mull) in geochemical exploration for gold
Gary C. Curtin, H. W. Lakin, G. J. Neuerburg, A.E. Hubert
1968, Circular 562
Distribution of gold in humus-rich forest soil (mull) reflects the known distribution of gold deposits in bedrock in the Empire district, Colorado. Gold from the bedrock is accumulated by pine and aspen trees and is concentrated in the mull by the decay of organic litter from the trees. Anomalies in...
Infrared survey of the Pisgah Crater area, San Bernardino County, California - a geologic interpretation
Stephen J. Gawarecki
1968, Open-File Report 69-104
The infrared survey of the Pisgah Crater Area, San Bernardino County, California was primarily undertaken to establish parameters by which rock types, structures, and textures peculiar to this locale could be recognized or differentiated. A secondary purpose was to provide an adequate evaluation and calibration of airborne and ground-based instruments...
The geologic classification of the meteorites
Donald Parker Elston
1968, Open-File Report 68-97
The meteorite classes of Prior and Mason are assigned to three proposed genetic groups on the basis of a combination of compositional, mineralogical, and elemental characteristics: l) the calcium-poor, volatile-rich carbonaceous chondrites and achondrites; 2) the calcium-poor, volatile-poor chondrites (enstatite, bronzite, hypersthene, and pigeonite), achondrites (enstatite, hypersthene, and pigeonite), stonyirons...