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Page 4675, results 116851 - 116875

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Statistical parameters for resource evaluation of geochemical data from the Ajo 1° x 2° quadrangle, Arizona
P. K. Theobald, Harlan N. Barton
1983, Open-File Report 83-734
Statistical data are presented from a regional geochemical study of the Ajo 1° x 2° quadrangle exclusive of the Papago Indian Reservation, but including the extension of Organ Pipe Cactus National Monument into the Lukeville 1° x 2° quadrangle. Frequency distribution data from the analysis of stream-sediment and heavy-mineral-concentrate samples...
Geologic and aeromagnetic maps and mineral resource potential survey of the Blackjack Springs Wilderness, Vilas County, Wisconsin
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...