The Student's Handbook of Physical GeologyG. Bell and Sons, 1884 - 514 pages |
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Page xi
... CRYSTALS AND ROCK - FORMING MINERALS Chemical elements and compounds . Crystallography . Pseudomorphs . Rock - forming minerals . CHAPTER II - CLASSIFICATION OF ROCKS . Meaning of the word Rock . Lithological classification ...
... CRYSTALS AND ROCK - FORMING MINERALS Chemical elements and compounds . Crystallography . Pseudomorphs . Rock - forming minerals . CHAPTER II - CLASSIFICATION OF ROCKS . Meaning of the word Rock . Lithological classification ...
Page 79
... crystal wedge shoves great rocks from their base . The tool - mark is an angular fracture whose shape depends on the nature of the rock which is broken . The finished work is to be seen in high mountains , whose tops CHAP . V. ] 79 ...
... crystal wedge shoves great rocks from their base . The tool - mark is an angular fracture whose shape depends on the nature of the rock which is broken . The finished work is to be seen in high mountains , whose tops CHAP . V. ] 79 ...
Page 177
... crystals of salt occur . The solid mass consists chiefly of sodium chloride ( 97 per cent . ) with small quantities of carbonate and sulphate of soda . The Dead Sea and the Caspian Sea are likewise examples of the concentration of large ...
... crystals of salt occur . The solid mass consists chiefly of sodium chloride ( 97 per cent . ) with small quantities of carbonate and sulphate of soda . The Dead Sea and the Caspian Sea are likewise examples of the concentration of large ...
Page 210
... crystal and beds of rock salt are frequently found ( Dana ) . Similarly in the limans of Bessarabia , on the Black Sea , which dry up in summer , we have the formation of salt beds going on before our eyes . One of the salinas of South ...
... crystal and beds of rock salt are frequently found ( Dana ) . Similarly in the limans of Bessarabia , on the Black Sea , which dry up in summer , we have the formation of salt beds going on before our eyes . One of the salinas of South ...
Page 218
... crystal- line limestone . " Upon this compact basis the wind often raises banks of calcareous sand derived from the waste of corals and shells , and these are compacted into masses which are very different from the lower portion of the ...
... crystal- line limestone . " Upon this compact basis the wind often raises banks of calcareous sand derived from the waste of corals and shells , and these are compacted into masses which are very different from the lower portion of the ...
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Common terms and phrases
accumulated acid action alumina amount angles anticlinal augite basalt beds blocks bottom calcareous called carbonate of lime carbonic acid chalk chemical clay cleavage cliffs coal coast colour consist containing coral cracks crystalline crystals denudation deposits depth described detrition distance district dolerite dykes earth earth's crust elevation erosion excavated fault feet felspar fissures Foraminifera formation formed fragments Geol glacier glauconite gradually granite greensand ground hills horizontal hornblende igneous rocks island joints Jukes lake land lava layers less limestone magnesia mass material matter metamorphic metamorphic rocks mica miles mineral mountain observed occur origin Orthoclase outcrops particles pebbles planes porphyritic portion present pressure produced quartz rain reef river salt sand sandstone shales shells shore side siliceous Silurian slope solid solution sometimes stones strata stratified rocks stream structure sulphate surface synclinal thickness tide tion Trans valley vertical volcanic waves