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Transtension of the Romanche transform fault |
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| Authors: | Al A Schreider A A Schreider A A Bulychev E Lodolo G L Kashintsev |
| Institution: | (1) Department of Geology, Moscow State University, Moscow, Russia;(2) Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia;(3) Experimental Geophysical Observatory, Trieste, Italy |
| Abstract: | Areas of transtension are discovered in the western part of the Romanche transform fault. Geodynamical parameters of the transtension are calculated on the basis of three-dimensional modeling of the inversive magnetic layer using survey data. The interval spreading rates calculated on this basis appeared to be smaller (1.65 cm/y for paleoanomalies C1-C5E on the northern side of the fault and 1.56 cm/y for paleoanomalies C6–C24 on the southern side) than those derived from the theoretical concepts based on the NUVEL-1 and NUVEL-1A models. |
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