The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 122
... geosynclines diminished . As a result , the geo- logically young geosynclines , including those of Cenozoic age ( the last 65,000,000 years ) , now form two well - de- fined linear zones - the Circum - Pacific and the Mediter- ranean ...
... geosynclines diminished . As a result , the geo- logically young geosynclines , including those of Cenozoic age ( the last 65,000,000 years ) , now form two well - de- fined linear zones - the Circum - Pacific and the Mediter- ranean ...
Page 123
... geosynclines was three to five times higher than the average heat flow for continents . Because the meta- morphic process occurs only during a particular stage of a tectonic cycle , the geosyncline apparently is a zone of high heat flow ...
... geosynclines was three to five times higher than the average heat flow for continents . Because the meta- morphic process occurs only during a particular stage of a tectonic cycle , the geosyncline apparently is a zone of high heat flow ...
Page 250
... geosynclines and mountain systems ( see map ) , re- markable crustal movements occurred during the Meso- zoic and ... geosynclines of preceding ages , new geosynclines appeared in Cretaceous times . The new geo- synclines , with which ...
... geosynclines and mountain systems ( see map ) , re- markable crustal movements occurred during the Meso- zoic and ... geosynclines of preceding ages , new geosynclines appeared in Cretaceous times . The new geo- synclines , with which ...
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