Chemical and mineralogical investigations on deep sea manganese nodules from the Southern Ocean J. OstwaldF. W. Frazer OriginalPaper Pages: 303 - 311
Ore minerals in the telluride-bearing gold-silver ores of Salida, Indonesia, with special reference to the distribution of selenium C. KieftI. S. Oen OriginalPaper Pages: 312 - 320
Structural control and hydrothermal alteration pattern of Chaucha Porphyry Copper, Ecuador P. J. GoossensV. F. Hollister OriginalPaper Pages: 321 - 331
Volcanic exhalations and ore deposition in the vicinity of the sea floor J. D. Ridge OriginalPaper Pages: 332 - 348
Minor element geochemistry of sulphide minerals in the Broken Hill Lode (N.S.W.) in relation to the origin of the ore R. A. Both OriginalPaper Pages: 349 - 369
Petrogenesis of sulphide-bearing reaction zones in the Coolac ultramafic belt, New South Wales, Australia Paul M. Ashley OriginalPaper Pages: 370 - 378
A note on the origin of Mussoorie phosphorite in the Lower Himalaya, India, and its palaeogeographic implications A. M. PatwardhanA. D. Ahluwalia OriginalPaper Pages: 379 - 387
Hydrothermal origin of metals in some East African Rift Lakes Egon T. DegensGeorge Kulbicki OriginalPaper Pages: 388 - 404