Rocks Classified and Described: A Treatise on LithologyLongmans, Green, and Company, 1866 - 425 páginas |
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Página 48
... strata of Monte Paterno near Bologna , where it is called Bologna - spar or Bolognese stone . It also occurs in the cavities of fossils in the Swabian Jurassic formation ; also very frequent in veins of ore . 67. Celestine . Trimetric ...
... strata of Monte Paterno near Bologna , where it is called Bologna - spar or Bolognese stone . It also occurs in the cavities of fossils in the Swabian Jurassic formation ; also very frequent in veins of ore . 67. Celestine . Trimetric ...
Página 51
... strata ( Berchtesgaden ) ; also in mineral springs ( Carlsbad in Bohemia ) , and salt lakes . The crystals 75. Alunite ( Alumstone ) .- Rhombohedral . mostly very small , and clustered in geodes . Usually massive , in granular , earthy ...
... strata ( Berchtesgaden ) ; also in mineral springs ( Carlsbad in Bohemia ) , and salt lakes . The crystals 75. Alunite ( Alumstone ) .- Rhombohedral . mostly very small , and clustered in geodes . Usually massive , in granular , earthy ...
Página 53
... strata of the Browncoal formation , more rarely in the Chalk formations , always massive ( phosphorite ) ; frequent in the Oberpfalz of Bavaria : ( 2 ) as an accessory con- stituent of rocks , especially the volcanic ( nepheline ...
... strata of the Browncoal formation , more rarely in the Chalk formations , always massive ( phosphorite ) ; frequent in the Oberpfalz of Bavaria : ( 2 ) as an accessory con- stituent of rocks , especially the volcanic ( nepheline ...
Página 63
... strata of other sedimentary rocks . It also forms an essential constituent of micaceous iron - gneiss and micaceous iron - schist . It is like- wise met with as an accessory in many other rocks . At Vesuvius and Ætna it fills clefts in ...
... strata of other sedimentary rocks . It also forms an essential constituent of micaceous iron - gneiss and micaceous iron - schist . It is like- wise met with as an accessory in many other rocks . At Vesuvius and Ætna it fills clefts in ...
Página 70
... strata of the Harz , in mountain limestone of Derbyshire and Cumberland , in granite of Linares ) ; also in nests and irregular masses im- bedded , which are usually met with in limestone or dolomite ( Tarnowitz in Silesia , Bleiberg in ...
... strata of the Harz , in mountain limestone of Derbyshire and Cumberland , in granite of Linares ) ; also in nests and irregular masses im- bedded , which are usually met with in limestone or dolomite ( Tarnowitz in Silesia , Bleiberg in ...
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Términos y frases comunes
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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