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The Long Shore
The archaeology of maritime cultural landscapes offers insights into cultural traditions, social transitions, and cultural relationships that reach beyond the narrow confines of waterfronts and beach strands and helps construct meaningful social histories. The long shore of California is not limited to the land that borders the Pacific Ocean, but includes the navigable waters that reach inland, the off-shore islands, and the riverways flow to the sea. Authors investigate the multifaceted character of maritime landscapes and maritime oriented communities in California’s equally diverse cultural landscape; viewed through an archaeological lens, and emphasizing social behavior and community as material culture in order to reveal intersections and commonalities.
Cartographies of Danger
No place is perfectly safe, but some places are more dangerous than others. Whether we live on a floodplain or in "Tornado Alley," near a nuclear facility or in a neighborhood poorly lit at night, we all co-exist uneasily with natural and man-made hazards. As Mark Monmonier shows in this entertaining and immensely informative book, maps can tell us a lot about where we can anticipate certain hazards, but they can also be dangerously misleading. California, for example, takes earthquakes seriously, with a comprehensive program of seismic mapping, whereas Washington has been comparatively lax about earthquakes in Puget Sound. But as the Northridge earthquake in January 1994 demonstrated all to...
The Petroleum System
Investigations about porosity in petroleum reservoir rocks are discussed by Schmoker and Gautier. Pollastro discusses the uses of clay minerals as exploration tools that help to elucidate basin, source-rock, and reservoir history. The status of fission-track analysis, which is useful for determining the thermal and depositional history of deeply buried sedimentary rocks, is outlined by Naeser. The various ways workers have attempted to determine accurate ancient and present-day subsurface temperatures are summarized with numerous references by Barker. Clayton covers three topics: (1) the role of kinetic modeling in petroleum exploration, (2) biological markers as an indicator of depositional environment of source rocks and composition of crude oils, and (3) geochemistry of sulfur in source rocks and petroleum. Anders and Hite evaluate the current status of evaporite deposits as a source for crude oil.
Field Studies of Radon in Rocks, Soils, and Water
Field Studies of Radon in Rocks, Soils, and Water focuses on the principal sources of indoor radon and detecting radon through geochemical and hydrological studies of ground water. The book addresses how to measure radon, covers geological field study techniques, and presents techniques for assessing radon potential. The geochemical and hydrological studies of ground water cover such areas as health effects and radionuclides in geology. Techniques for measuring radon in ground water are also provided. Field Studies of Radon in Rocks, Soils, and Water is an excellent practical guide for geologists, geochemists, ground water professionals, and geophysicists interested in radon. Features
Field Studies of Radon in Rocks, Soils, and Water
U.S. Geological Survey research on the geology, geophysics, and geochemistry of radon in rocks, soils, and water.
Uranium Distribution and Geology in the Fish Lake Surficial Uranium Deposit, Esmeralda County, Nevada
Fish Lake Valley, in southern Nevada and California, contains about 675 acres of uranium-enriched lacustrine and marsh sediments in an arid alluvial-fan environment. A change in the trend of the Silver Peak Range, which forms the valley's eastern margin, and bedrock spurs that divert clastic sediments away from the marsh have allowed a large deposit of lacustrine and marsh sediment to accumulate. Section lines across the deposit were sampled at 0.3-m intervals to a maximum depth of 6.5 m. All samples were dried and analyzed for uranium and organic matter content. Uranium concentrations in the sediments ranged from 6 to 800 ppm and averaged 64.3 ppm (253 samples). Uranium values correlate wit...
