United States Geological Survey YearbookThe Survey - Geology |
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Page 42
... imate location of Wrangellia ; and the white area shows other accreted terrains . D 0 200 ALASKA YUKON SAN FRANCISCO 400 MILES CANADA UNITED STATES UNITED STATES MEXICO Conodonts Aid Oil and Gas Investigations in the A C. 42.
... imate location of Wrangellia ; and the white area shows other accreted terrains . D 0 200 ALASKA YUKON SAN FRANCISCO 400 MILES CANADA UNITED STATES UNITED STATES MEXICO Conodonts Aid Oil and Gas Investigations in the A C. 42.
Page 43
... the ocean modeling studies do not guarantee oil discoveries , but , even in the early stages of their development , they have proved a valuable tool . Western United States Conodonts are the microscopic ( generally 0.004 43.
... the ocean modeling studies do not guarantee oil discoveries , but , even in the early stages of their development , they have proved a valuable tool . Western United States Conodonts are the microscopic ( generally 0.004 43.
Page 44
... conodonts are useful chronologic , ecologic , and geothermal indicators . Conodont research in the U.S. Geological Survey has led to the use of conodonts for determining several stratigraphic , structural , and organic - metamorphic ...
... conodonts are useful chronologic , ecologic , and geothermal indicators . Conodont research in the U.S. Geological Survey has led to the use of conodonts for determining several stratigraphic , structural , and organic - metamorphic ...
Page 45
... Conodont research in the Western United States . A , Area of the Western United States being studied for conodont- based thermal assessment of Paleozoic - Triassic rocks ; also shown are the loca- tions of B and C. B , Map of Arizona ...
... Conodont research in the Western United States . A , Area of the Western United States being studied for conodont- based thermal assessment of Paleozoic - Triassic rocks ; also shown are the loca- tions of B and C. B , Map of Arizona ...
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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