Abstracts of North American Geology, الجزء 2U.S. Geological Survey, 1967 |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Aeromagnetic Aeromagnetic map Alaska analysis aquifer Assoc Author's abstract basin beds Brachiopoda California Cambrian Canada Geological Survey carbonate chemical clay minerals Colorado composition Conf continental copper correlation County Creek Cretaceous crystals deposits Devonian distribution district Donald Earth earthquake Economic geology Eocene evaporites fault fauna field Foraminifera Formation fossil Geochemistry Geomorphology Geophys glacial granite gravity ground water ground-water Hydrogeology illus Indiana Island isotopic James John Jour kaolinite Lake area Limestone marine metamorphic meteorites methods Mexico Mineral resources Mineralogy Mines Miocene Mississippian Mountains Nevada North northern occur Ocean Ontario Ordovician Paleontology Paleozoic Pennsylvanian percent Permian Petrology Pleistocene Precambrian Proc quadrangle Quaternary Radiocarbon region Richard River Robert rocks salt samples sand sandstone scale sediments seismic Shale Silurian soil southern southwestern species Stratigraphy Structural geology studies surface Survey Geophysics Paper tables techniques Tertiary U.S. Geol United upper Utah Valley velocity volcanic western William Yukon Territory zone