BULETIN PERSATUAN GEOLOGI MALAYSIA BULLETIN OF THE GEOLOGICAL SOCIETY OF MALAYSIA No. 9 KDN 10755 November 1977 THE RELATIONS BETWEEN GRANITOIDS AND ASSOCIAT ED ORE D EPOSITS OF THE CffiCUM-PACIFIC REGION A collection of papers presented at the IGCP Circum-Pacific Plutonism Project Fifth Meeting, 12-13 November, 1975 K UALA L UMPUR Editors J.A. RODDICK T.T. K l:-100
PERSATUAN GEOLOGI MALAYSIA (GEOLOGICAL SOCIETY OF MALAYSIA) The Society was founded in 1967 to satisfy a felt need of geologists in Malaysia for a meeting ground for discussion, exchange of ideas and information and publication of material on geological topics of relevance to Malaysia. President Vice-President Hon. Secretary Asst. Secretary Treasurer Editor A.S. Gan K.K. Khoo T.T. Khoo WanFuad Council (1977 /78) B.K. Tan Mohd. Ayob A. Spykerman J.K. Raj N.H. Chong C.H. Yeap Councillors S. Paramanathan Y.F. Wong Y.H. Yeow C.C. Yew Immediate Past President: W.K. Lee Editorial Board N.S. Haile F. Hehuwat T.T. Khoo D.T.C. Lee P. Nutalaya P.H. Stauffer B.K. Tan D.N.K. Tan H.D. Tjia E.H. Yin About the.society The Society has a membership of about 400 earth scientists interested in Malaysia and other Southeast Asian regions. The membership is worldwide in distribution. Annual dues are 15 Malaysian ringgit and there is an entrance fee of 5 Malaysian ringgit. For enquiries about the Society, e.g. membership, write to The Hon. Secretary, GEOLOGICAL SOCIETY OF MALAYSIA cfo Jabatan Geologi, Universiti Malaya, Kuala Lumpur, 22-11. MALAYSIA.
Published in November 1977 by the GEOLOGICAL SOCIETY OF MALAYSIA KUA LA LUMPUR Publication supported by the Society's Publication Funds and donations from Esso Production Malaysia Inc. Printed by ART PRINTING WORKS, SON. BHD., KUALA LUMPUR
IGCP Circum-Pacific Plutonism Project Fifth Meeting 12-13 November 1975, Kuala Lumpur ORGANIZING COMMITTEE T.T. Khoo (Chairman) A.S. Gan C.S. Hutchison E.B. Yeap The meeting was hosted by the Geological Society of Malaysia with the cooperation of the following: Geological Survey Malaysia University of Malaya Department of Geology, National University Malaysia Department of Agriculture Malaysia Associated Mines (M) Sdn. Bhd. Osborne and Chappel Sdn. Bhd. Conzinc Riotinto Malaysia Sdn. Bhd. Pacific Tin Consolidated Bhd. Selangor Dredging Sdn. Bhd. Valdun Mining Consultants Sdn. Bhd. Mineral Consultants Sdn. Bhd.
Some Bahasa Malaysia (Malay) geographical terms Bukit Bt. hill Genting Gtg. pass Gunung G. mountain Jalan Jln. road, street Kampung Kg. village Kuala K. mouth of river Pulau P. island Sungai s. river Tanjung Tg. cape Teluk T. bay iv
CONTENTS Bahasa Malaysia (Malay) geographical terms.................................... PAGE iv Mineralization in the Coast Plutonic Complex of British Columbia, south of latitude 55 N..................... G. J. Woodsworth & J. A. Roddick The Sierra Nevada Batholith, California, U.S.A. and spatially related mineral deposits..................... F. C. W. Dodge & P. C. Bateman 11 Selected copper-bearing skams and epizonal granitic intrusions in the southwestern United States... T. G. Theodore 31 Intrusives associated with porphyry copper deposits...... S. C. Creasey 51 Relations between chemical composition of granitic rocks and metallization in the Outer Zone of Southwest Japan......................................................... N. Oba & M. Miyahisa 61 Compositional variations of some constituent minerals of the late Mesozoic and early Tertiary granitic rocks of southwest Japan..................................................................... N. Murakami 15 A review of the radiometric ages of the Japanese granitic rocks... T. Nozawa 91 Granitic plutons and ore deposits in the Okcheon Zone, Korea... D. S. Lee 99 Late Mesozoic granitic magmatism in the geological structures of the U.S.S.R. North-East... N. A. Shi/o & A. P. Milov 111 Tectonic settings for emplacement of Southeast Asian tin granites... A. H. G. Mitchell 123 Known relationships between the 'hard-rock' tin deposits and the granites of Southeast Asia... K. F. G. Hosking 141 The granitic rocks and mineralization at the Khuntan Batholith, Lampang... S. Suensilpong, A. Meesook, S. Nakapadungrat & P. Puttapiban 159 Some aspects of Tak granites, northern Thailand................................................ W. Pongsapich & C. Mahawat 115 Granite emplacement and tectonic subdivision of Peninsular Malaysia... C. S. Hutchison 187 v
The granitoids and mineralization of the Eastern Belt of Peninsular Malaysia... S. Senathi Rajah, Fateh Chand & D. Santokh Singh 209 Tin distribution over granitic rocks in the Kinta Hills area, Perak, Peninsular Malaysia... K. W. Choy 233 Some notes on magmatic activities and metallic mineral occurrences in northeastern Indonesia... R. Sukamto & T. Suhanda 253 List of participants 273 Group photograph 277 Vl