About this book
The primary objective of the book is to ellucidate the geological, geochemical and geophysical characteristics of new and/or different epithermal gold deposits and their districts in the Circum-Pacific, in order to improve understanding of the controlling factors in their formation, and to assist in further exploration. Details of the exploration history was also included. The book contains a wide selection of papers on epithermal deposits, prospects and regions, geologically and geographically diverse; these papers will be useful to industry and research geologists alike. Several of the deposits and prospects discussed are newly discovered.
Contents
Preface and acknowledgements (J.W. Hedenquist, N.C. White and G. Siddeley). Referee list. Map of deposits and regions discussed. Foreword (R.W. Henley) I. The Kelian disseminated gold deposit, East Kalimantan, Indonesia (Th.M. Van Leeuwan et al). Mineralogic, alteration and fluid inclusion studies of epithermal gold-bearing veins of the Mt. Muro prospect, Central Kalimantan (Borneo), Indonesia (S.F. Simmons and P.R.L. Browne). Geological setting, characteristics and regional exploration for gold in the volcanic arcs of North Sulawesi, Indonesia (J.C. Carlile et al.). Petrology and geochemistry of alkalic intrusives at the Porgera gold deposit, Papua New Guinea (J.P. Richards). Geology and trace element geochemistry of the Umuna gold-silver deposit, Misima Island, Papua New Guinea (D.S. Clarke et al.). Southwest Pacific epithermal gold: A rock geochemistry perspective (D.S. Clarke and G.J.S. Govett). Geological features of some epithermal gold systems, Philippines (A.H.G. Mitchell and G.R. Balce). Epithermal and subjacent porphyry mineralization, Acupan, Baguio district, Philippines: A fluid inclusion and paragenetic study (D.R. Cooke and M.S. Bloom). Mineralization at the Kelly gold mine, Baguio district, Philippines: Fluid inclusion and wallrock alteration studies (M.A.C. Comsti et al.). Exploration of the Exciban gold-copper-tellurium vein system, Camarines Norte, Philippines (L.P. James and W.A. Fuchs). An acid sulphate-type lode gold deposit at Nalesbitan, Luzon, Philippines (R.H. Sillitoe et al.). Geology and geochemistry of epithermal precious metal vein systems in the intra-oceanic arcs of Palau and Yap, western Pacific (J.J. Rytuba and W.R. Miller). II. The Hishikari gold deposit: High grade epithermal veins in Quaternary volcanics of southern Kyushu, Japan (E. Izawa et al). Metal contents of recent thermal waters, mineral precipitates and hydrothermal alteration in active geothermal fields, Kamchatka (G.A. Karpov and S.I. Naboko). The Laforma deposit, an atypical epithermal Au system at Freegold Mountain, Yukon, Canada (B.I.A. McInnes et al.). Epithermal gold-silver deposits in the western United States: Time-space products of evolving plutonic, volcanic, and tectonic environments (B.R. Berger and H.F. Bonham Jr.). Mineralogy, geochemistry, and alteration of the Cherry Hill, California, hot spring gold deposit (E.C. Percy and U. Petersen). Comparative geochemistry of jasperoids from Carlin-type gold deposits of the western United States (C.E. Nelson). The geology of hydrothermal gold deposits in Chile (F. Camus). Gold and copper mineralization at the El Indio deposit, Chile (R.R. Jannas et al.). Gold mineralization at the Emperor mine, Vatukoula, Fiji (W.B. Anderson and P.C. Eaton). Geochemical and temperature controls on ore mineralization at the Emperor gold mine, Vatukoula, Fiji (T.A.P. Kwak). Geophysical anomalies over epithermal systems (R.G. Allis). Geophysical exploration for epithermal gold deposits (R.J. Irvine and M.J.
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