Acta Geologica 27. (1984)

1-2. rész

Acta Geologica Hungarica Vol. 27 Nos 1-2 CONTENTS GEOLOGY Paleogeographic reconstruction of Neogene plate movements in the Paratethyan realm. G. Hámor ....................................................................................................................................... 5 Paleogeographic and geochronologic circumstances of bauxite generation in Hungary. J. Haas ............................................................................................................................................ 23 The Eocene-Oligocene boundary in Hungary. The Kiscellian stage. T. Báldi, M. Horváth, A. Nagymarosi, P. Varga........................................................................................................ 41 Jurassic Ammonite provinces of Europe. B. Géczy.................................................................... 67 The development of the Quaternary geology in Hungary. A. Rónai...................................... 75 Results of seismic stratigraphy in Hungary. Gy. Pogácsás........................................................ 91 Economic evaluation of mineral resources in Hungary. P. Mach............................................ 109 PALEONTOLOGY Contributions to the Eocene/Oligocene boundary problem in new profiles in Hungary on the basis of large foraminiferas. T. Kecskeméti, P. Varga ........................................ 125 Biostratigraphic evaluation of the Upper Paleozoic Conodonts, Ostracods and Holothurian sclerites of the Bükk Mts. Part I.: Carboniferous Conodonts and Holothurian scle­­rites. H. Kozur ........................................................................................................................... 143 PETROLOGY, MINERALOGY On the petrogenesis of the North Hungarian basic-ultrabasic magmatic rocks. I. Киво­vics ................................................................................................................................................... 163 Pyrophyllite ITc occurrence at Pázmánd (Hungary) in fluorine-activized environment. E. Nemecz ..................................................................................................................................... 191 Nos 3—4 TECTONIC SIGNIFICANCE OF HUNGARIAN MOUNTAINS IN THE ALPINE EDIFICE WORKSHOP IN VESZPRÉM, HUNGARY 20-25 NOVEMBER, 1983 PART I CONTENTS Preface. J. Fülöp ..................................................................................................................................... 205 Introduction. J. Dercourt, I. Kubovics ......................................................................................... 207 Hungarian mountains in Alpine framework. J. Dercourt, J. Geyssant, C. Lepvrieh, F. Bergerat, G. Bignot, P. Cros, P. De Wever, B. Géczy, C. Guernet, G. Lachkah ................................................................................................................................... 213 The Pannonian lithosphere: some peculiarities. L. Stegena ......................................................... 223 The Pannonian basement: extension and subsidence of an Alpine orogene. F. Horváth, J. Rumpler ................................................................................................................................... 229 Neotectonic outline of the intra-Carpathian basins in Hungary. F. Bergerat, J. Geyssant, C. Lepvrier ................................................................................................................................... 237 North Hungarian Triassic facies types: a review. S. Kovács..................................................... 251 Comparison of the Triassic volcanogenic formations in Hungary and in the Alps. Paleo­geographic criteria. P. Cros, I. Szabó .................................................................................... 265 Sedimentological approach of some Upper Permian and Lower Triassic sections in the Transdanubian Central Range and in the Mecsek Mts (Hungary). P. Freytet, P. Cros ............................................................................... 277 The Jakabhegy Sandstone Formation and its interregional stratigraphic relations. M. Kassai.............................................................................................................................................. 289

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