. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Periodicals.. LIVING GEOSYNCLINAL COUPLET off the Atlantic coast of the U.S. consists of a miogeocline, strata laid down on the shallow continental shelf during the past 150 million years, and a eugeocline prism (dark color), consisting of thin beds of sand and mud de- posited by turbidity currents flowing down the continental slope. The material in the Triassic basin represents continental deposits laid down before the foundering of the continental margin under
![. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Periodicals.. LIVING GEOSYNCLINAL COUPLET off the Atlantic coast of the U.S. consists of a miogeocline, strata laid down on the shallow continental shelf during the past 150 million years, and a eugeocline prism (dark color), consisting of thin beds of sand and mud de- posited by turbidity currents flowing down the continental slope. The material in the Triassic basin represents continental deposits laid down before the foundering of the continental margin under Stock Photo](https://c8.alamy.com/comp/REH323/collected-reprints-atlantic-oceanographic-and-meteorological-laboratories-and-pacific-oceanographic-laboratories-oceanography-periodicals-living-geosynclinal-couplet-off-the-atlantic-coast-of-the-us-consists-of-a-miogeocline-strata-laid-down-on-the-shallow-continental-shelf-during-the-past-150-million-years-and-a-eugeocline-prism-dark-color-consisting-of-thin-beds-of-sand-and-mud-de-posited-by-turbidity-currents-flowing-down-the-continental-slope-the-material-in-the-triassic-basin-represents-continental-deposits-laid-down-before-the-foundering-of-the-continental-margin-under-REH323.jpg)
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. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Periodicals.. LIVING GEOSYNCLINAL COUPLET off the Atlantic coast of the U.S. consists of a miogeocline, strata laid down on the shallow continental shelf during the past 150 million years, and a eugeocline prism (dark color), consisting of thin beds of sand and mud de- posited by turbidity currents flowing down the continental slope. The material in the Triassic basin represents continental deposits laid down before the foundering of the continental margin under tension 190 million years ago, prior to opening of Atlantic Ocean. which is certainly incorrect. Early inves- tigators observed that a granitic base- ment is invariably present under mio- geoclines and evidendy reasoned that a similar sialic basement, although it was unseen, must also be present under eu- geoclines. A collapsed eugeocline is as thick as the continental plate, about 35 kilometers, so that its basement is be- yond the depth of even the deepest boreholes. We can infer that the ultimate basement is simatic, however, by observ- ing detached fragments that are caught up in the contorted melange of the eu- geoclinal pile. These fragments include samples of oceanic crust (for example ra- fSTALLINE <LACHIANS CONTINENTAL SHELF CONTINENTAL RISE. 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 work.. Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories; Environmental Research Laboratories (U. S. ). Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by Supt. of Docs. U. S. G. P. O.