Abstracts of North American Geology, الجزء 2

Alaska analysis aquifers Assoc Author's abstract basalt basin California Canada Geological Survey Canyon carbonate carbonatite Cenozoic chemical chondrites clay Colorado composition continental correlation County Creek Cretaceous crystals deposits Devonian Dissert dolomite Earth earthquake Economic geology Eocene Experimental fault feet field Foraminifera Formation fossil genesis geochemical Geochemistry Geomorphology glacial ground water ground-water Hydrogeology illus Island isotope James John Jour Lake Limestone magnetic mantle marine Massachusetts metamorphic meteorites method Mexico Mines Miocene Mississippian Mountains North occur Ocean Ontario Ordovician Paleomagnetism Paleontology Paleozoic Pennsylvanian Permian Petroleum Geologists Bull Petrology Pleistocene Pliocene Precambrian Proc quadrangle Quaternary region Richard River Robert rocks samples sand sandstone sediments seismic serpentinite Shale soil southwestern species Stratigraphy Structural geology studies sulfide surface Survey Geophysics Paper Survey Prof Survey research 1967 Symposium tables tectonic temperature Tertiary Texas U.S. Geol ultramafic Univ upper Valley volcanic western William X-ray zone