Bulletin of the United States Geological SurveyThe Survey., 1911 - Geology |
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acid alkaline alteration alumina analcite analyses Annales chim anorthite apatite augite average basalt biotite Bull calcite calcium carbonate carbon dioxide cent Chem chemical chloride cited clay coal composition compounds Compt contain copper corundum crystals decomposition deposits derived described Deutsch dissolved dolomite epidote feldspar ferric formation formed fused gases Geology Gesell gneiss granite gypsum H₂O heated hornblende hydrogen sulphide idem igneous rocks Inst iron Jour Kryst Lake leucite limestones magma magnesium magnetite manganese metals metamorphism mica minerals mixture Molecular muscovite nephelite Neues Jahrb occur ocean olivine organic matter origin orthoclase oxide petroleum phosphates phys plagioclase potassium prakt Proc pyrite pyroxene quartz reactions Rend Rept River saline salt schist sea water sedimentary serpentine silicates SiO2 sodium soluble solution species Specific gravity springs substances sulphate sulphur Survey temperature tion trace trace Trans U. S. Geol volcanic Zeitschr zinc