An approach to the megastructural Transgondwanic control during Early Paleozoic from the Paleotethys to the Andes

Pages: 
pp. 5-12
Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
Abstract: 

Several transcontinental structures controlled the Cambrian-Ordovician development of pericontinental platform and intracontinental molassic Gondwanaland basins. Two main structural lineaments that connect Northern Africa with the Andean area are described. These continental lineaments display a bipolar geodynamic behaviour with "pull-apart" basins on both continental extremes. The pericontinental characteristics are similar, showing the presence of marginal, rift-type basins.
   The basin trends, geometry, and internal active structure are interpreted to result from the reactivation of ancient shear systems.
   Both the structural transgondwanic continuity and the platform development indicate the necessity of further studies on the general Gondwanaland behaviour, and supply data for a possible comparison with the fragments of the present-day Paleotethys region including the Balkan domains.

VOLUME 21 (1)/February 1991

Geological Institute, Bulgarian Academy of Sciences, 1113, Sofia, Bulgaria

Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
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Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
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Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina
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Institute of Regional Geology for Latin America (IGREPAL), National University of San Juan (UNSJ), Argentina

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia

Université Claude-Bernard- Lyon 1, Centre des Sciences de Ia Terre et Unité associée au C.N.R.S. no 11, 27-43 Boulevard du 11 Novembre, 69622 Villeurbanne Cedex (France)
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Ecole supérieure des Mines et de Géologie, 1156 Sofia

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria