Rocks Classified and Described: A Treatise on LithologyLongmans, Green, and Company, 1866 - 425 páginas |
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Página 6
... combination of common quartz , amethyst , jasper , carnelian , and other varieties of quartz , arranged in alternate stripes or layers , or irregularly mixed together . [ b , c , and d chiefly occur in the geodes of volcanic rocks ( in ...
... combination of common quartz , amethyst , jasper , carnelian , and other varieties of quartz , arranged in alternate stripes or layers , or irregularly mixed together . [ b , c , and d chiefly occur in the geodes of volcanic rocks ( in ...
Página 7
... combined with water , in varying proportion ( up to 13 per cent . ) , and small quantities of colour- ing matter . It is distinguishable from quartz by being almost entirely soluble in potash ley , in matrass yields water . Bp . most ...
... combined with water , in varying proportion ( up to 13 per cent . ) , and small quantities of colour- ing matter . It is distinguishable from quartz by being almost entirely soluble in potash ley , in matrass yields water . Bp . most ...
Página 29
... . Analcime . Usually in trapezohedrons ; more rarely a combination of these with the cube . The crystals usually found grouped together in geodic cavities . Sometimes mas- sive ZEOLITE SECTION . 29 29 The Monometric Zeolites.
... . Analcime . Usually in trapezohedrons ; more rarely a combination of these with the cube . The crystals usually found grouped together in geodic cavities . Sometimes mas- sive ZEOLITE SECTION . 29 29 The Monometric Zeolites.
Página 58
... combined with clay , Clay Ironstone . - 89. Zinc Spar ( Calamine , Galmey , in part ) .- H. - 5 . S.G. -4-43 . Cp . ZnC , with small quantities of Fe , Mn , Ċa , Mg . Bp . loses its carbonic acid , and then shows reaction of oxide of ...
... combined with clay , Clay Ironstone . - 89. Zinc Spar ( Calamine , Galmey , in part ) .- H. - 5 . S.G. -4-43 . Cp . ZnC , with small quantities of Fe , Mn , Ċa , Mg . Bp . loses its carbonic acid , and then shows reaction of oxide of ...
Página 68
... combined with microcosmic salt and oxide of copper , it gives a beautiful blue flame . Rock - salt is frequently met with as an independent rock in sedimentary formations of every age . It also occurs as an accessory ingredient in clay ...
... combined with microcosmic salt and oxide of copper , it gives a beautiful blue flame . Rock - salt is frequently met with as an independent rock in sedimentary formations of every age . It also occurs as an accessory ingredient in clay ...
Outras edições - Ver tudo
Rocks Classified and Described: A Treatise on Lithology Bernhard von Cotta Visualização integral - 1878 |
Rocks Classified and Described: A Treatise on Lithology Bernhard von Cotta Visualização integral - 1866 |
Rocks Classified and Described: A Treatise on Lithology Bernhard von Cotta Visualização integral - 1865 |
Palavras e frases frequentes
aggregates Alps amygdaloidal aphanite appear argillaceous augite basalt beds bitumen brown Browncoal calcareous calcspar carbonate character chemical chlorite clay clay-slate Cleavage coal colour Colourless columnar compact composition compound conchoidal to uneven consists contains Crown 8vo crystalline schists crystals decomposed deposits diabase diorite dolerite dolomite earth Edition felsitic felspar fibrous fine-grained foliated formation fossils Fracture conchoidal frequently fuses garnet geodes geol geological Germ gneiss grains granite granular grav greenstones grey gypsum hornblende igneous rocks imbedded iron Jahrb labradorite lavas leucite lime limestone Lustre vitreous magnesia magnetic iron-ore marl mass massive matrass matrix melaphyre metamorphic mica mica-schist mineral muriatic acid occurs oligoclase opaque origin orthoclase oxide plutonic porphyritic pyrites pyroxene quartz quartz-porphyry resinous rock-salt sandstone Saxony schists sedimentary rocks serpentine shale silica slaty soluble sometimes strata sulphuric surface syenite texture trachyte transition translucent transmutation Transparent tufa usually varieties veins vesicular cavities volcanic Woodcuts
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