Table Of Content

Tectonophysics, 216 (1992) 391-392 Elsevier Science Publishers B.V., Amsterdam CONTENTS Tectonophysics Volume 216 Special Issue: Terrestical Impact Craters and Craterform Structures (edited by L. Pesonen and H. Henkel) Preface The terrestrial impact cratering record R.A.F. Grieve (Ottawa Ont., Canada) and L.J. Pesonen (Espoo, Finland) Impact craters and craterform structures in Fennoscandia H. Henkel (Uppsala, Sweden) and L.J. Pesonen (Espoo, Finland) Traces of impact craters in the geoid J. Kakkuri (Helsinki, Finland) Characteristics of large terrestrial impact structures as revealed by remote sensing studies J.B. Garvin, C.C. Schnetzler (Greenbelt, MD, USA) and R.A.F. Grieve (Ottawa Ont.,, Canada) Geophysical aspects of meteorite impact craters in eroded shield environment, with special emphasis on electric resistivity H. Henkel (Uppsala, Sweden) Geology, stratigraphy and structure of the Lappajarvi meteorite crater, western Finland: preliminary results of deep drilling F. Pipping (Espoo, Finland) and M. Lehtinen (Helsinki, Finland) Geophysical investigations of the Lake Lappajarvi impact structure, western Finland S. Elo, T. Jokinen and H. Soininen (Espoo, Finland) Physical properties of karnaite (impact melt), suevite and impact breccia in the Lappajarvi meteorite crater, Finland |.T. Kukkonen, L. Kivekas and M. Paananen (Espoo, Finland) Palaeomagnetism of the Lappajarvi impact structure, western Finland L.J. Pesonen, N. Marcos and F. Pipping (Espoo, Finland) Ordovician impact crater at Kardla, Hiiumaa Island, Estonia V. Puura and K. Suuroja (Tallinn, Estonia) Sdéderfjarden: a Cambrian impact crater in western Finland J.J. Lehtovaara (Turku, Finland) Recent studies of the Lake Saaksjarvi meteorite impact crater, southwestern Finland S. Elo, L. Kivekas, H. Kujala, S.I. Lahti and P. Pihlaja (Espoo, Finland) Geology of the Early Palaeozoic Lockne impact structure, Central Sweden M. Lindstrém and E.F.F. Sturkell (Stockholm, Sweden) Mineral chemistry of the shock-metamorphosed schists of the Lake Janisjarvi impact structure, Karelia J. Raitala and T. Halkoaho (Oulu, Finland) Petrological modifications in granitic rocks from the Siljan impact structure: evidence from cathodoluminescence K. Ramseyer (Bern, Switzerland), A.A. AlDahan, B. Collini (Uppsala, Sweden) and O. Landstr6ém (Nyképing, Sweden) On the significance of crater ages: new ages for Dellen (Sweden) and Araguainha (Brazil) A. Deutsch (Minster, Germany), D. Buhl (Bochum, Germany) and F. Langenhorst (Minster, Germany) Breccias in the basement of a deeply eroded impact structure Sudbury, Canada V. Miller-Mohr (Minster, Germany) The Onaping Formation of the Sudbury Structure (Canada): an example of allochthonous impact breccias M. Avermann and P. Brockmeyer (Minster, Germany) Research Papers Experimental formation of brittle structural assemblages in oblique divergence J.V. Smith and D.W. Durney (Sydney, N.S.W., Australia) A SEM study of conchoidal structures on fracture surfaces of sandstones G. Li and K.H.R. Moelle (Newcastle, N.S.W., Australia) Physical modelling of lithosphere subduction in collision zones A.|. Shemenda (Taiwan, ROC) and A.L. Grocholsky (Moscow, Russia) 392 Fault identification in complexly deformed schist terrains: examples from the USA and Australia S.E. Johnson (Townsville, Qld., Australia) and A.C. Duncan (Perth, W.A., Australia) 291 Post-orogenic tectonic and thermal history of a rifted continental margin: the Scoresby Sund area, East Greenland K. Hansen (Copenhagen, Denmark) 309 Structural implications of paleomagnetic data from Pelvoux—Belledonne area (French Alps) B. Henry (Saint Maur, France) 327 Cadomian vs. Variscan evolution of the Ossa—Morena zone (SW Iberia): field and *°Ar /%Ar mineral age constraints R.D. Dallmeyer (Athens, GA, USA) and C. Quesada (Madrid, Spain) 339 Paleomagnetic data from Umbria (Italy): implications for the rotation of Adria and Mesozoic apparent polar wander paths J.E.T. Chanell (Gainesville, FL, USA) 365 Letter Section Fracture-zone tectonics at Zabargad Island, Red Sea (Egypt) S. Marshak (Urbana, IL, USA), E. Bonatti (Palisades, NY, USA), H. Brueckner (Palisades, Flushing, NY, USA) and T. Paulsen (Urbana, IL, USA) Discussion Late Caledonian northeastward ophiolite thrusting in the Shetland Islands, U.K. — Refutation D. Flinn (Liverpool, UK) Announcement