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Maps showing characteristics of the Cabo Rojo West offshore sand deposit, southwestern Puerto Rico Maps showing characteristics of the Cabo Rojo West offshore sand deposit, southwestern Puerto Rico
This report presents detailed information on a deposit of well-sorted coarse calcareous sand in water depths of 10-20 m in an area between 1 and 6 km west and southwest fo the promontory of Cabo Rojo, the southwesternmost corner of Puerto Rico.
Maps showing coal resources of the Big A Mountain Quadrangle, Russell and Buchanan counties, Virginia Maps showing coal resources of the Big A Mountain Quadrangle, Russell and Buchanan counties, Virginia
The coal-bearing Norton Formation of Early and Middle Pennsylvanian age is at the surface over most of the northwestern two-thirds of the Big A Mountain quadrangle. The southeastern part of the quadrangle, bounded on the northwest and northeast by Buffalo Mountain and Russell Fork faults, consists of highly faulted rocks ranging in age from Early Cambrian to Middle Pennsylvanian (Miller...
Maps showing geochemical analyses of the Ishi, Mill Creek, Polk Springs, and Butt Mountain further planning areas, Tehama and Plumas counties, California Maps showing geochemical analyses of the Ishi, Mill Creek, Polk Springs, and Butt Mountain further planning areas, Tehama and Plumas counties, California
The Ishi, Mill Creek, Polk Springs, and Butt Mountain Further Planning Areas occupy part of the region between Chico and Mount Lassen (fig. 1). All of these areas are characterized by thick sequences of Tertiary and Quaternary pyroclastic and lava flows, predominantly of the Pliocene Tuscan Formation, overlying Paleozoic and (or) Mesozoic metavolcanic and metasedimentary rocks and the...