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

1. 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

11. 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 deposit 253

Clark, S.H.B. (USA): Origin of some shale-hosted barite nodules in the
Appalachian basin of the Eastern United States 259

Dardenne, M.A. (Brazil): Fluorite-vein deposits of the Santa Catarina
District in Brazil 269

de Brodtkorb, M.K. (Argentina), Schalamuk, I.B.A. (Argentina),
Barbieri, M. (Italy), Puchelt, H. (FRG), Ametrano, S., Fernandez, R. &
Etcheverry, R. (Argentina): Nodular barite deposits of Canota,
Argentina 275

Jebrak, M. (Canada), Touray, J.C. & Giret, P. (France): Geochemical
characteristics and genesis of fluorite deposits in Morocco 287

Lhegu, J., Jebrak, M. & Touray, J.C. (France): Fluorite and barite
deposits in France 297

Poole, F.G. (USA): Stratiform barite in Paleozoic rocks of the Western
United States 309

V. Skarn deposits

Convenors: L.D. Meinert (USA) and V.A. Zharikov (USSR)

Aksyuk, A.M. & Zharikov, V.A. (USSR): The phlogopite skarn deposits:
physical-chemical conditions of formation 321

Baker, J.H. & Hellingwerf, R.H. (The Netherlands): The geochemistry of
tungstenmolybdenum-bearing granites and skarns from western
Bergslagen, central Sweden 327

Cheilletz, A. (France) & Giuliani, G. (Brazil): Epigenesis versus
syngenesis a contribution to the debate based on the stratiform
tungsten skarn mineralizations of Djebel Aouam, central Morocco 339

Haranczyk, C. (Poland): Andradite skarn in Zawiercie, southern Poland 349

Marcke de Lummen, G. van (Belgium): Oxygen and hydrogen isotope
evidence for influx of magmatic water in the formation of W-, Mo- and
Sn-bearing skarns in politic rocks at Costabonne, France, and Land's
End, England 355

Meinert, L.D. (USA): Gold in skarn deposits-a preliminary overview 363

Shimazaki, H. (Japan): Oxygen, carbon and sulfur isotope study of
skarn deposits in Japan 375

VI. Manganese

Varentsoy, I.M., Zaitseva, L.V. & Putilina, V.S. (USSR): A model for
nodular polymetallic ore formation in Recent basins: experimental data
on the role of major Seawater ions in the sorption of Cu(II) on
7A-manganate 383

VII. Tin and tungsten deposits

Convenor: M. Stemprok (Czechoslovakia)

Baskina, V.A. (13SSR): Granite magmatism and mineralization associated
with deepreaching crustal lineaments, Sikhote-Alin Range in the Far
East Maritime Region, USSR 391

Bettenay, L.F, Partington, G.A., Groves, D.I. & Paterson,
C. (Australia): Nature and emplacement of the giant rare-metal
pegmatite at Greenbushes, Western Australia 401

Csongradi, J. (Hungary): Stockwork-type tungsten-molybdenum deposits in eastern
Mongolia 409

Routhier, P. (France): Large-scale alternation of tin-tungsten domains
within continents 417

Rowe, W.D., Jr. & Moore, W.J. (USA): Chemistry of stratiform Late
Proterozoic tin-bearing leucosomes in the Inner Piedmont Belt,
southeastern United States 427

Rykl, D. & Stemprok, M. (Czechoslovakia): Hydrothermal reaction of
water and of some inorganic solutions with the Cínovec granite at 300
and 400°C and 50 MPa pressure: an experimental study 437

VIII. Massive sulphide deposits in volcanic environments

Convenors: F.M. yokes (Norway) and M.B. Stephens (Sweden)

Baranov, E.N., Schteinberg, A.D. & Karpukhina, V. S. (USSR) : A
genetic model and exploration criteria for buried massive sulphide
deposits of the Verkhneuralsky area, southern Urals, USSR 449

Gauthier, M., Chartrand, F., Dupuis, L. & Trottier, J. (Canada):
Massive sulphide deposits of the southeastern Quebec Appalachians 461

Hellingwerf, R.H. (The Netherlands): Regional and local potassic
alterations in western Bergslagen, Sweden, and their relation to
sulphide mineralization 471

Janecky, D.R. (USA): Massive sulfide deposits and hydrothermal
solutions: Incremental reaction modeling of mineral precipitation and
sulfur isotopic evolution 481

Lescuyer, J.L., Oudin, E. & Beurrier, M. (France) Review of the
different types of mineralisation related to the Oman ophiolitic
volcanism 489

Mariko, T. (Japan): Volcanogenic massive sulphide deposits of Besshi
type at the Shimokawa mine, Hokkaido, northern Japan 501

Odling, N.E. (Norway): Deformation of the Joma sulphide deposit, Caledonides of
Nord-Trindelag, Norway 513

Zhang Qiusheng, Liu Liandeng & Chen Lu (China): Formation and tectonic
reactivation of massive sulphide deposits in an Archaean greenstone
belt, North Liaodong Peninsula, China 525

IX. Mineralization associated with granitoids

Convenor: P.M. Ihlen (Norway)

Anthony, E.Y. & Titley, S.R. (USA): Pre-mineralization igneous
processes at the Sierrita porphyry copper deposit, Arizona, USA 535

Chon, H.-T., Ri, D.-W., Hong, Y.-K., Kim, M.-Y. & John, Y.-W. (Korea):
Multi-element geochemistry of Precambrian granitoids in relation to
tin mineralization in Korea 547

Guilbert, J.M. (USA): Geochemistry and metallogeny of Appalachian
two-mica granites with reference to porphyry base-metal deposit
systems 559

Ishihara, S., Sasaki, A. & Terashima, S. (Japan): Sulfur in granitoids
and its role for mineralization 573

Lindahl, I. (Norway) & Grauch , R. I. (USA) :
Be-REE-U-Sn-mineralization in Precambrian granitic gneisses, Nordland
County, Norway 583

Migachov, I.F. & Zvezdov, V.S. (USSR): Morphology and evolution of
porphyry copper stockwork systems 595

Ohlander, B. (Sweden): Tectonic control and genesis of Proterozoic
molybdenite occurrences in northern Sweden 603

Shi Mingkui & Hu Xiongwei (China): The geological characteristics and
genesis of the granite-hosted tungsten deposit at Dajishan mine,
Jiangxi province, China 613

Stohl, J. & Tozser, J. (Czechoslovakia): Massive sulphide
mineralizations and their relationship to porphyry copper systems in
the neovolcanites of Slovakia 623

X. General

Convenors: R. Frietsch and M.B. Stephens (Sweden)

Aichler, J., Danko, J., Orel, P., Redl, L. & Vanecek,
M. (Czechoslovakia): Deep-seated gold mineralization in black shales
near Sucha Rudna,northeastern Bohemian Massif, Czechoslovakia 633

Han, T.-M. (USA): Origin of magnetite in Precambrian iron-formations
of low metamorphic grade 641

Kazansky, V.I. (USSR): Deep structure of the continental crust and ore-forming
processes 657

Kyle, J.R. & Gutierrez, G.N. (USA): Origin of the Indian Creek
sandstone-hostedlead deposits, Southeast Missouri, USA 669

Misra, K.C. & Lawson, J.S. (USA): Paleotectonic setting of massive
sulfide deposits of the Ducktown mining district, Tennessee, USA 685

List of contributors 693