The Student's Handbook of Physical Geology |
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Page 26
... lower end of such a stream has been described as a slowly - moving mass of loose porous blocks , gradually rolling and tumbling over each other , with a loud rattling noise , as they are forced along by the pressure of the viscid mass ...
... lower end of such a stream has been described as a slowly - moving mass of loose porous blocks , gradually rolling and tumbling over each other , with a loud rattling noise , as they are forced along by the pressure of the viscid mass ...
Page 27
... lower layers of the cooled mass are always more or less vesicular and scoriaceous , while the central portion is a hard , compact , and frequently a crystalline stone . The gradual cooling of the lava causes it to contract , and leads ...
... lower layers of the cooled mass are always more or less vesicular and scoriaceous , while the central portion is a hard , compact , and frequently a crystalline stone . The gradual cooling of the lava causes it to contract , and leads ...
Page 31
... lower slopes the country is richly cultivated , and abounds in vineyards and pastures , towns and villages ; the middle or temperate zone above is covered with forests of oak and chestnut ; but upwards the trees grow sparse and small ...
... lower slopes the country is richly cultivated , and abounds in vineyards and pastures , towns and villages ; the middle or temperate zone above is covered with forests of oak and chestnut ; but upwards the trees grow sparse and small ...
Page 32
... lower fertile regions , where they are spread out in sterile tracts , amid the vineyards and orange - groves . Hawaii , one of the Sandwich Islands , contains three volcanoes called Mount Kea , Mount Loa , and Mount Hualalai . The first ...
... lower fertile regions , where they are spread out in sterile tracts , amid the vineyards and orange - groves . Hawaii , one of the Sandwich Islands , contains three volcanoes called Mount Kea , Mount Loa , and Mount Hualalai . The first ...
Page 46
... lower pavement clearly implies a subsidence which rendered it necessary to construct a new floor at a higher level . The temple area was filled with a succession of stratified deposits , consisting of marine and fresh - water limestones ...
... lower pavement clearly implies a subsidence which rendered it necessary to construct a new floor at a higher level . The temple area was filled with a succession of stratified deposits , consisting of marine and fresh - water limestones ...
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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