Geological Society of America Bulletin, Volume 74, Part 2The Society, 1963 - Geology Vols. 1-44 include Proceedings of the annual meeting, 1889-1933, later published separately. |
Contents
Introduction | 832 |
Errors in the Bouguer anomalies | 838 |
Interpretation of the detailed survey in the Lake | 845 |
62 other sections not shown
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America Bull America Bulletin amphibolite andesite basalt basin beds biotite breccia California Canyon cent Colorado composition continental core correlation crystals deposits depth Devonian dikes diorite Dolomite east facies fault feet thick feldspar Figure foliation Formation Front Range gabbro Geological Society glacial gneiss grains granite gravity hornblende igneous intrusive Island Jour Lake Laramide layers leucite Limestone locally lower mafic magma marine metamorphic miles mineral belt moraine Mountain Nevada occur orbicules outcrop Pahranagat Range Paleozoic pegmatite plagioclase Plate Pleistocene pluton pollen Precambrian pyroxene quadrangle quartz quartzite Reef Creek region River rocks samples San Benito Islands sand sandstone Sawatch Range sea level sedimentary sediments shale shear zone shelf showing slope Society of America southern stratigraphic structure suggests surface Survey syenite tectonic thin tion tonalite trend tuff U. S. Geol units upper USNM Valley volcanic wave-base wave-built terrace