Geological Society of America Bulletin, Volume 73The Society, 1962 - Geology Vols. for 1938-61 include as pt. 2 of the December issue the Society's Abstracts, later published separately. |
Contents
Photographic survey of sea floor on southwest slope of Eniwetok Atoll | 805 |
Rapakivitype granites in the Precambrian complex of Gold Butte Clark County | 813 |
Distribution and composition of sulfide minerals at Balmat New York Bruce R Doe 833854 | 833 |
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alkali feldspar alteration America Bull andesite basalt basin batholith beds biotite calcite Canyon carbonate cent channels chert chlorite clay minerals composition County crystals deposits detrital dolomite drainage east erosion facies fault feet thick feldspar Figure flow foliation Formation formed fusulinids Geology glacial gneiss gradient grains granite gravel Highland Gneiss hornblende Hueyatlaco Idaho illite indicate isotopic ages Iztaccíhuatl Jour K-Ar kaolinite lahar Lake lava layers limestones lower mafic Manhattan Prong metamorphic mica miles montmorillonite moraines muscovite Nevada occur olivine outcrops oxide Paleozoic pegmatite peneplain Pennsylvanian plagioclase Precambrian pyrite pyroxene quartz diorite range rapakivi ratio Rb-Sr region Ridge rocks samples sand sandstones schist sedimentary sediments sequence sericite shale area silica slope Snake River soil sphalerite stage stratigraphic stream structure Substage surface Survey Swatara Creek Table tion Tuscaloosa U. S. Geol upper valley volcanic weathering western Wet Mountains York zircon zone