The Student's Handbook of Physical GeologyG. Bell, 1892 - 666 pages |
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Page 56
... channel through the barrier . Along the sea - coast huge masses were detached from the cliffs , especially at Scilla and at Gian Greco in the Straits of Messina , where a continuous line of cliff was thrown down for the length of a mile ...
... channel through the barrier . Along the sea - coast huge masses were detached from the cliffs , especially at Scilla and at Gian Greco in the Straits of Messina , where a continuous line of cliff was thrown down for the length of a mile ...
Page 62
... channel , which in one spot was about 40 yards in breadth , and 8 feet deep . It is self - evident that a person following up the course of a stream , will always ascend at a greater or less inclination ; Mr. Gill , therefore , was much ...
... channel , which in one spot was about 40 yards in breadth , and 8 feet deep . It is self - evident that a person following up the course of a stream , will always ascend at a greater or less inclination ; Mr. Gill , therefore , was much ...
Page 76
... channel more than a few feet below the low - tide level . When , therefore , borings disclose the existence of valleys , the rocky bottoms of which are 50 , 70 , or 100 feet below the sea - level , and which are filled up with deposits ...
... channel more than a few feet below the low - tide level . When , therefore , borings disclose the existence of valleys , the rocky bottoms of which are 50 , 70 , or 100 feet below the sea - level , and which are filled up with deposits ...
Page 77
... ancient valley of the Mersey between Run- corn and Widnes . Similar old valleys and river channels have been dis- covered in Scotland , so completely buried by subsequent deposits CHAP . V. ] 77 ELEVATION AND DEPRESSION OF LAND .
... ancient valley of the Mersey between Run- corn and Widnes . Similar old valleys and river channels have been dis- covered in Scotland , so completely buried by subsequent deposits CHAP . V. ] 77 ELEVATION AND DEPRESSION OF LAND .
Page 78
... channels has been traced from Kilsith in Stirlingshire to Grangemouth on the Firth of Forth . The surface of the ground ... channel was occupied by the river which made it , the land must have been at least 260 feet higher out of the sea ...
... channels has been traced from Kilsith in Stirlingshire to Grangemouth on the Firth of Forth . The surface of the ground ... channel was occupied by the river which made it , the land must have been at least 260 feet higher out of the sea ...
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Common terms and phrases
acid action agencies altered alumina amount anticlinal augite basalt beds blocks bottom calcareous calcite called carbonate of lime carbonic acid chalk channel chemical clay cleavage cliffs coast colour consists coral cracks crystalline crystals currents débris denudation deposits depth described detrition distance district dolerite dykes earth earth's crust Edited elevation erosion eruptions fault feet felspar fissures formation formed fragments Geol Geology glacier glauconite gneiss gradually granite greensand ground hills horizontal hornblende igneous rocks iron island Jukes lakes land lava layers limestone magnesia mass material metamorphic mica miles mineral mountain occur original Orthoclase outcrop oxide particles pebbles planes porphyritic portion pressure produced quartz rain reefs ridge rise river sand sandstone schist shale shells shore side siliceous slope soil solution sometimes stones strata stratified rocks stream structure surface thickness tion tract Translated unconformity valley vertical volcanic