. Collected reprints, Essa Institute for Oceanography. Oceanography so do the bumps on the bumps. Some overlaps and gaps remain, but consid- ering the vicissitudes of geologic his- tory, the fit is too remarkable to be fortuitous. It must mean that these two continents were once juxtaposed. Our maps show a great ocean between Af- rica and South America, but geologi- cally these two continents should be contiguous and conterminous. Walter Sproll and I have recently obtained two other rather good Gond- wana fits using precise and computer- ized methods. One of these places India, i
. Collected reprints, Essa Institute for Oceanography. Oceanography so do the bumps on the bumps. Some overlaps and gaps remain, but consid- ering the vicissitudes of geologic his- tory, the fit is too remarkable to be fortuitous. It must mean that these two continents were once juxtaposed. Our maps show a great ocean between Af- rica and South America, but geologi- cally these two continents should be contiguous and conterminous. Walter Sproll and I have recently obtained two other rather good Gond- wana fits using precise and computer- ized methods. One of these places India, including Ceylon, against west- ern Australia. Another wraps the south coast of Australia around Antarctica from the region of the Ross Sea west- ward. Many problems remain, how- ever, before entire Gondwana can be pieced together using strict morpho- logic criteria. And we must stick to the rules, too, for the continental jig- saw game is not without constraints. It is not cricket, for example, to play continental leapfrog, although one South African geologist alleges that some jump-fits are as good as any of Continental drift is a game for the Gods as some of the pieces are still 75. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute for Oceanography; Atlantic Oceanographic Laboratories (U. S. ); Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories. Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by the Supt. of Docs. , U. S. G. P. O.
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