• Publications
  • Influence
Heavy metal pollution in Wellington Harbour
Abstract Heavy metal analysis of the < 20 μm fraction of marine sediments from Wellington Harbour and Waiwhetu Stream have shown that the Waiwhetu Stream is easily the most polluted area in theExpand
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Manganese: Predominant Role of Nodules and Crusts
The importance of manganese in the marine environment can be deduced from the fact that it is the tenth most abundant element in the earth’s crust (av. cone. 0.093%) and is available in two valencyExpand
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Environments of formation of ferromanganese concretions in the Baltic Sea: a critical review
Abstract Ferromanganese concretions from the Baltic sea can be divided into three main types based on their abundance, morphology, composition and mode of formation; those from the Gulfs of Bothnia,Expand
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Input of river-derived sediment to the New Zealand continental shelf: I. Mass
Abstract The input of river-borne sediments to the New Zealand continental shelf has been calculated for all the major rivers and basins in New Zealand. South Island yields 284 ± 40 × 106 tonnes perExpand
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Submarine hydrothermal mineralization in the Okinawa Trough, SW of Japan: an overview
Abstract The Okinawa Trough is a heavily sedimented, rifted back-arc basin formed in an intracontinental rift zone. Submarine hydrothermal activity is located within the six back-arc rifts located inExpand
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Lessons Learned from Deep-Sea Mining
The first attempt to exploit deep-sea manganese nodules ended in failure as a result of the collapse of world metal prices, the onerous provisions imposed by the U. N. Conference on the Law of theExpand
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Sustainable Development: The Need for a New Paradigm
At present, the term sustainable development is misleading because we actually live in a markedly unsustainable world and conditions will become even more unsustainable in the 21st century. Indeed,Expand
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Eh ph Diagrams for mn, fe, co, ni, cu and as Under Seawater Conditions: Application of two new Types of eh ph Diagrams to the Study of Specific Problems in Marine Geochemistry
EH pH diagrams have been calculated using the PHREEQC programme in order to establish the predominance fields of Mn, Fe, Co, Ni, Cu and As in bottom waters from the Angola Basin. Predominance fieldsExpand
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Manganese nodule formation in the Pacific Ocean: a general theory
An attempt is made to outline a satisfactory general theory for the formation of Pacific deep-sea manganese nodules based on a consideration of the time of initiation of formation of the nodules, aExpand
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Mineralogy and composition of Kuroko deposits from northeastern Honshu and their possible modern analogues from the Izu-Ogasawara (Bonin) Arc south of Japan: Implications for mode of formation
The Kuroko deposits of NE Honshu are a key type deposit for the study of volcanogenic massive sulfide deposits. However, these deposits have not been studied in detail since the early 1980's andExpand
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