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Mineral resource potential map of the Natural Area Roadless Area, Baker County, Florida
James B. Cathcart, Sam H. Patterson, Thomas M. Crandall
1983, Miscellaneous Field Studies Map 1572-B
The Natural Area Roadless Area, which is in the Osceola National Forest in Baker County, Fla., is underlain by sedimentary rocks containing phosphate deposits that are not a potential mineral resource by todays standards. The region has a low potential for oil and gas and virtually no potential for other...
Mineral resource potential of the Piedra Wilderness Study Area, Archuleta and Hinsdale counties, Colorado
Alfred L. Bush, Steven M. Condon, Karen J. Franczyk, S. Don Brown
1983, Miscellaneous Field Studies Map 1630-A
The mineral resource potential of the Piedra Wilderness Study Area is low. No occurrences of metallic minerals, of valuable industrial rocks and minerals, or of useful concentrations of organic fuels are known in the study area. However, a noneconomic occurrence of gypsum in the Jurassic Wanakah Formation lies a few hundred feet west...
Reconnaissance map showing thickness of volcanic ash deposits in the greater Hilo area, Hawaii
Jane M. Buchanan-Banks
1983, Miscellaneous Field Studies Map 1499
This study was undertaken to determine the thickness and distribution of volcanic ash deposits in the greater Hilo area, Hawaii, as a step toward evaluating their susceptibility to failure during earthquake shaking. On several occasions their instability has resulted in serious damage. For example, the 1868 earthquake (m=7+), following a...
Mineral resource potential map of the Sugarloaf Roadless Area, San Bernardino County, California
Robert E. Powell, Jonathan C. Matti, Brett F. Cox, Howard W. Oliver, Alexander Wagini, Harry W. Campbell
1983, Miscellaneous Field Studies Map 1606-A
Geologic, geochemical, and geophysical investigations and a survey of mines and prospects indicate that the Sugaloaf Roadless Area contains subeconomic graphite and magnesian marble resources. Parts of the area have a low potential for the occurrence of additional low-grade graphite resources, but there is no potential for additional magnesian marble...