United States Geological Survey YearbookThe Survey - Geology |
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Page 1
... rock types in a geologically diverse ter- rain . The results of this experiment by scien- tists from the Survey and the California In- stitute of Technology represent a major ad- vance in the use of remote sensing for mineral ...
... rock types in a geologically diverse ter- rain . The results of this experiment by scien- tists from the Survey and the California In- stitute of Technology represent a major ad- vance in the use of remote sensing for mineral ...
Page 7
... rock ) . Its existence alone poses a special hazard , particularly in a region frequently shaken by large earthquakes . Since the colossal eruptions of 700,000 years ago , the Long Valley magma chamber has been slowly cooling and ...
... rock ) . Its existence alone poses a special hazard , particularly in a region frequently shaken by large earthquakes . Since the colossal eruptions of 700,000 years ago , the Long Valley magma chamber has been slowly cooling and ...
Page 9
... rock frac- ture caused by the pressure of intruding magma or of gas released from it . These revelations prompted considerable concern among Geological Survey volcanologists present , particularly those from the Cascades Volcano ...
... rock frac- ture caused by the pressure of intruding magma or of gas released from it . These revelations prompted considerable concern among Geological Survey volcanologists present , particularly those from the Cascades Volcano ...
Page 14
... rocks . The primary factors in selecting a host rock are mineability , thermal conductivity , frequency and extent of permeable fractures , permeability , thickness , areal extent , depth of burial , homogeneity , sorption capacity ...
... rocks . The primary factors in selecting a host rock are mineability , thermal conductivity , frequency and extent of permeable fractures , permeability , thickness , areal extent , depth of burial , homogeneity , sorption capacity ...
Page 15
... rocks are the framework within which the system operates . Geochemistry and temperature of the ground water are in- dicators of the history of the ground water before it reaches the observation point ; they rnay also control leaching ...
... rocks are the framework within which the system operates . Geochemistry and temperature of the ground water are in- dicators of the history of the ground water before it reaches the observation point ; they rnay also control leaching ...
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activity Administration Alaska Apalachicola Apalachicola River Assessment Basin California cartographic Cascade volcanoes City Commission conodont conterminous United Cooperative data base Denver Department of Public deposits digital data digital line graphs Earth Resources Observation earth science earthquakes Energy Environmental eruptions evaluation faults Federal agencies Federal Bldg fiscal year 1982 Flood Control Geologic Division Geologist ground water ground-water hazards hydrologic Investigations Irrigation kaolinite Landsat Long Valley Caldera magma major Mammoth Lakes Menlo Park ment million mineral resources Minerals Management Service monitoring National Center National Mapping Division Nevada oil and gas percent Planning Planning w potential Potomac River produced Puerto Rico quadrangle radiometer Regional Research Resources Observation Systems resurgent dome rocks sediments seismic square miles STOP studies Survey's techniques tidal Potomac River tidal river tion topographic Transportation U.S. Geological Survey volcanic Water Conservation District Water District water levels Water Management Water Resources Western zone Δ Δ