The use of exploration geochemistry has increased enormously in the last decade. The present volume specifically addresses those geochemical exploration practices appropriate for tropical, sub-tropical and adjacent areas – in environments ranging from rainforest to desert. Practical recommendations are made for the optimization of sampling, and analytical and interpretational procedures for exploration according to the particular nature of tropically weathered terrains. The underlying theme is the recognition that regions between 35°N and 35°S in particular have a common history of deep chemical weathering and lateritization during the late Mesozoic and early Tertiary. This has had a profound and lasting effect, so that the surface geochemical expressions of mineralization throughout these regions have many similar features, with local modification due to more recent weathering under changed climates.
The volume discusses the data derived from numerous research and case studies in terms of exploration and dispersion models based on the weathering and geomorphological history. The models permit valid comparisons between equivalent terrains that may be geographically widely separated and situated in quite different climatic environments. The basis of the volume is to view geochemical dispersion within the context of a genetic understanding of the evolution of landforms and the regolith (i.e. landscape geochemistry) and to develop exploration procedures based on this understanding.
This book should be of interest to exploration geochemists, economic geologists, soil scientists, geomorphologists and environmental geochemists.
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The volume is much more than the guide to geochemical exploration techiques which is perhaps suggested by the title. Part I comprises a detailed discussion of the chemical and physical processes involved in soil formation in tropical areas; in addition to its relevance to geochemical exploration, this section is of considerable fundamental scientific interest and should become a standard source of information on this topic... Overall, this volume maintains the high standards set by the three previous volumes in this series. It is an attractively produced book containing many pertinent maps, diagrams and tables which are invariably lucid and uncluttered. Like the previous volumes, this one combines in-depth discussion and description of the fundamental processes controlling geochemical dispersion, as well as discussion of field methods and case histories.
Overall, this volume extends the outstanding tradition of the Handbook of Geochemical Exploration into the difficult arena of tropical environments. It will be an essential reference for explorationists in the tropics, but should also be valuable for others dealing with soils and weathering in tropical regions, because of its geologic-geomorphic view and extensive bibliography.
Journal of Geochemical Exploration
The book should be an essential purchase for all exploration companies and individual exploration geochemists working in tropical to subtropical terrains, and should be on the shelf of every university library where geology or soil science is taught.
Ore Geology Reviews
This will be auseful reference work for many years as it fills a large gap in the literature. It will not only be of use to geologists, but also to soil scientists, geomorphologists and environmental geochemists.
...this volume extends the outstanding tradition of the Handbook of Geochemical Exploration into the difficult arena of tropical environments. It is an essential reference for explorationists in the tropics, but should also be valuable for others dealing with soils and weathering in tropical regions, because of its geologic-geomorphic view and extensive bibliography.
Journal of Geochemical Exploration
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Book Description Elsevier Science, 1992. Hardcover. Book Condition: Used: Good. Bookseller Inventory # SONG0444890955