Acta Geologica 31. (1988)

1-2. szám

ACTA GEOLOGICA HUNGARICA Vol. 31 Nos 1—2 CONTENTS Triassic base sections in the Mid-Transdanubian (Igal) structural zone. J. Haas, E. Rálisch-Felqenhauer, A. Oravecz-Scheffer, A. Bérczi-Makk, E. Nagy .............................................................................. 3 History of evolution of the Upper Cretaceous geosyncline in the Ba­kony Mts.at the time of formation of the terrestrial Csehbánya Formation. E. Jocha-Edelényi .................................................................... 19 Eocene magneto- and biostratigraphy at Somlóvásárhely, Hungary. В. Bernhardt, M. Báldi-Beke, M. Lantos, К. Horváth-Kollányi, P. Márton .............................................................................................................. 33 On the origin of the structural pattern of Hungary. Z. Balia ................. 53 Geotectonic interpretation of the métallogénie units of Hungary. Gy. Raincsák .................................................................................................. 65 Brittle tectonics and paleo-stress field in the Mecsek and Villány Mts. (Hungary): Correlation with the opening mechanism of the Pannonian basin. F. Bergerat, L. Csontos .............................................. 81 Strike-slip origin of the Vatta-Maklár Trough, Northeastern Hungary. G. Tari .............................................................................................................. 101 Sedimentological features of the Halimba bauxite, paleogeographic re­construction. E. Juhász ................................................................................ Ill Petrology and geochemistry of dyke magmatism in the UMM Rus area, Central Eastern Desert, Egypt. I. Kubovics, M. El-Mahallawi .......... 137 Notes on radiocarbon-dated Holocene soils in Rouge river basin, South-Central Ontario. W.C. Mahaney, J. Terasmae .......................................... 153 10th European Regional Meeting of Sedimentology in Hungary, 24—26 April, 1989. J. Haas ...................................................................................... 165 21st European Micropaleontological Colloquium, Hungary, 4—13 September, 1989. T. Kecskeméti ....................................................................................... 165

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