Proceedings of the Seventh International Quadrennial IAGOD Symposium, held in Luleå, Sweden, August 18 - 22, 1986

Papers presented at the Symposia on topics related to general problems of genesis of ore deposits and on studies of ore geology of specific districts or deposits (excl.of gold occurrences in Precambrian areas)
Erscheinungsjahr 1988
ISBN: 978-3-510-65137-5
Verlag: E. Schweizerbart

Buch, Englisch, 694 Seiten, Format (B × H): 170 mm x 240 mm, Gewicht: 1410 g

Autoren/Hrsg.

Zachrisson, Ebbe

International Association on the Genesis of Ore Deposits IAGOD

Fachgebiete

• Geowissenschaften Geologie Petrologie, Mineralogie

Inhaltsverzeichnis

Editor's Preface V
Opening and closing lectures
Sillitoe, R.H. (UK): Ores in volcanoes.-Opening lecture 1
Frietsch, R. (Sweden): Precambrian metallogeny of Finland, Norway and Sweden 11
Rickard, D. (UK): Volcanogenic mineralisation styles in the Early Proterozoic of Fennoscandia 23
Vokes, F.M. (Norway): Latest Proterozoic and Phanerozoic metallogeny in Fennoscandia 41
Russell, M.J. (UK): A model for the genesis of sediment-hosted exhalative (SEDEX) ore deposits. - Closing lecture 59

I. Tectonics of ore deposits
Convenor: A.V. Heyl (USA)
Alevizos, A.A. & Sclar, C.B. (USA): The chemical composition of chromite from the Skoumtsa-Xerolivado chromite deposits, Vourinos ophiolitic complex, Greece, as a tectonic indicator 67
Alm, O., Alm, B. & Stephansson, O. (Sweden): Experimental deformation of rocks from the Kiruna District, northern Sweden 75
Bokhari, F.Y. (Saudi Arabia) & Forster, H. (FRG): Structural development and ore deposits of the Arabian Shield 83
Gaal, G. (Finland) & Kazansky, V.I. (USSR): Early Proterozoic continental margins as major sites of ore deposition 93
Heyl, A.V., Brock, M. R. & Jolly, J. L. (USA): Phanerozoic igneous rocks, including kimberlites, of the United States craton west of the Blue Ridge Mountains and east of the Rocky Mountains and their associated mineral deposits-A compilation and summary 103
Kutina, J. (USA): Criteria indicating a block structure of the upper mantle and its role in metallogeny 111
Pouit, G. (France): Correlative evolution of mineralization and geotectonic setting: examples of the ophiolitic crust and Red Sea rift 121
Witschard, F. (Sweden): Giant impact structures-implications for ore genesis 129
Wu Liangshi & Pei Rongfu (China): Tectonic settings of Mesozoic volcanic belts and regional metallogeny in southern China 139

II. Paragenesis
Convenor: H.K. Schpnwandt (Denmark)
Cabri, L.J. (Canada): New developments in determination of the distribution of precious metals in ore deposits 149
de Boorder, H. 1' Vollers, Y. (The Netherlands) A quantitative study of the spatial distribution of galena and feldspar in sandstone from Laisvall, Sweden 155
Hagni, R.D. (USA): Ore microscopy, electron microprobe analyses, and paragenesis of Creta, Oklahoma, copper shale 163
Hagni, R.D. (USA): Ore microscopy and mineral paragenetic sequence of the early bornite ores in the Viburnum Trend, Southeast Missouri 167
Munoz, M., Kim, Y.D., Verraes, G. & Tollon, F. (France): Hydrothermal alteration parageneses associated with the zinc vein deposit of Noailhac-Saint Salvy (Tarn, France)-conditions of mineralisation deposition 171
Nakamura, T. (Japan): Concept of mineral paragenesis and macrostructure in ore veins 179
Russell, M.J. (UK): Chimneys, chemical gardens and feldspar horizons + pyrrhotine in some SEDEX deposits: aspects of alkaline environments of deposition 183

III. Ore-forming fluids in inclusions
Convenor: E. Roedder (USA) Broman, C. (Sweden): Fluids associated with the genesis of the Skellefte district massive sulfide deposits, Sweden 191
He Zhili (China): Main achievements in the study of inclusion mineralogy in China 201
Jadhav, G.N., Panchapakesan, V. & Sahu, K.C. (India): Fluid-melt inclusion studies of pegmatites in and around Dhab, Hazaribag district, Bihar, India 203
Koziowski, A. (Poland) & Metz, P. (FRG): Cr-Ti-Fe spinels in melt inclusions in olivines 213
Misra, K.C. & Gratz, J.F. (USA): Evolution of mineralizing fluids, Gordonsville zinc deposit, Central Tennessee, USA 225
Takenouchi, S. (Japan): Fluid inclusion studies of selected epithermal gold deposits and the Doroyu geothermal system of Japan 237
Veto, E. (Hungary): Conditions of Pb-Zn ore formation in the Carpathian Neogene volcanic arc: Evidence from the Gydngyosoroszi mine, northern Hungary 245

IV. Fluorite and barite deposits
Convenor: J. Cadek (Czechoslovakia)
Cadek, J. & Malkovsky, M. (Czechoslovakia): Fluorite in the vicinity of Teplice Spa in Bohemia-a new type of fluorite depos