The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 122
... geosynclines diminished . As a result , the geologically young geosynclines , including those of Cenozoic age ( the last 65,000,000 years ) , now form two well - defined linear zones — the Circum - Pacific and the Mediterranean ...
... geosynclines diminished . As a result , the geologically young geosynclines , including those of Cenozoic age ( the last 65,000,000 years ) , now form two well - defined linear zones — the Circum - Pacific and the Mediterranean ...
Page 123
... geosynclines was three to five times higher than the average heat flow for continents . Because the metamorphic 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 metamorphic 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 ) , remarkable crustal movements occurred during the Mesozoic and Cenozoic eras ( see EARTH , GEOLOGICAL HISTORY OF ) . The movements began with earlier phases of geosynclinal sinking and ...
... geosynclines and mountain systems ( see map ) , remarkable crustal movements occurred during the Mesozoic and Cenozoic eras ( see EARTH , GEOLOGICAL HISTORY OF ) . The movements began with earlier phases of geosynclinal sinking and ...
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