The New Encyclopaedia Britannica, Volume 5Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 109
... continents around the Atlantic prior to drift , showing Precambrian continental nuclei and continental margins to a depth of 1,000 metres . countered resistance from recongealed sima that in turn caused the. Continental Drift 109.
... continents around the Atlantic prior to drift , showing Precambrian continental nuclei and continental margins to a depth of 1,000 metres . countered resistance from recongealed sima that in turn caused the. Continental Drift 109.
Page 110
... geological provinces . Ages of rocks . Before the development of radiometric dating methods , the equivalent ages of orogenic belts and rock contacts truncated by the Atlantic coastlines were often 110 Continental Drift.
... geological provinces . Ages of rocks . Before the development of radiometric dating methods , the equivalent ages of orogenic belts and rock contacts truncated by the Atlantic coastlines were often 110 Continental Drift.
Page 115
... Continental Drift ( 1966 ) , a short review of current ideas on drift followed by evidence from the Arctic and eastern seaboard of Canada ; S.K. RUNCORN ( ed . ) , Con- tinental Drift ( 1962 ) , includes much data on paleomagnetism and ...
... Continental Drift ( 1966 ) , a short review of current ideas on drift followed by evidence from the Arctic and eastern seaboard of Canada ; S.K. RUNCORN ( ed . ) , Con- tinental Drift ( 1962 ) , includes much data on paleomagnetism and ...
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