The Geological ObserverLongman, Brown, Green, and Longmans, 1853 - 740 стор. |
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Сторінка xii
... silicate of lime in igneous rocks 551-572 CHAPTER XXX . Mode of occurrence of granites in South - western England and South - eastern Ireland - Outline of the granite range of Wicklow - Granite veins - Chemical composition of granitic ...
... silicate of lime in igneous rocks 551-572 CHAPTER XXX . Mode of occurrence of granites in South - western England and South - eastern Ireland - Outline of the granite range of Wicklow - Granite veins - Chemical composition of granitic ...
Сторінка xiii
... silicates in the consolidation of the detrital rocks - Alteration of rocks , on minor scale , by heat - Formation of crystals in altered rocks - Crystalline modifi- cation of rocks - Alteration of rocks near granitic masses ...
... silicates in the consolidation of the detrital rocks - Alteration of rocks , on minor scale , by heat - Formation of crystals in altered rocks - Crystalline modifi- cation of rocks - Alteration of rocks near granitic masses ...
Сторінка xviii
... silicates of that mineral , so that when opportunities have occurred for crystallization of the parts , the result has been a compound of felspar and quartz , or a pegmatite , as it has been sometimes termed , in that case a ...
... silicates of that mineral , so that when opportunities have occurred for crystallization of the parts , the result has been a compound of felspar and quartz , or a pegmatite , as it has been sometimes termed , in that case a ...
Сторінка xix
... silicate of lime in crystals can be obtained dispersed through ordinary glass . In the arrangement of particles , beyond the vitreous condition , forming the compact and stony state , the porphyritic character is not rare among rocks ...
... silicate of lime in crystals can be obtained dispersed through ordinary glass . In the arrangement of particles , beyond the vitreous condition , forming the compact and stony state , the porphyritic character is not rare among rocks ...
Сторінка xxv
... silicate of alumina , the base of clays ) , chiastolite ( another mineral , in which silicate of alumina is the chief ingredient ) , cyanite ( another form in which the same substance is essential ) , staurolite ( where silica , alumina ...
... silicate of alumina , the base of clays ) , chiastolite ( another mineral , in which silicate of alumina is the chief ingredient ) , cyanite ( another form in which the same substance is essential ) , staurolite ( where silica , alumina ...
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Загальні терміни та фрази
accumulations acid action alumina amid animals appear ashes beach beds beneath blocks bottom breakers British Islands calcareous carbonate carbonic acid cavities cinders clay cliffs coal coast considerable considered coral reefs Cornwall crater crystals deposits depth detritus district dry land earthquake Edition effected elevated eruption estuary evidence exposed fathoms feet felspar fissures formed fragments geological glaciers granite ground hornblende igneous rocks inferred kind lakes lava lime limestone magnesia manner marine mass mechanical suspension Mendip Hills miles mineral matter mode of occurrence modifications molluscs molten mountain noticed observer occur ocean old red sandstone oolitic organic remains pebbles portions present produced Professor quartz red sandstone regards regions respect rise river sand sea-bottom section fig seen shells shores side silicates Silurian Sir James Ross sometimes species specific gravity streams substances sufficient surface temperature thrown tidal tide tion trachytic traversed various vegetable veins volcanic
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