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Author: Hansford T. Shacklette
Publisher:
ISBN:
Category : Geochemical prospecting
Languages : en
Pages : 32
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Book Description
A study of mosses that grow on substrates which contain large amounts of metals and the use of these plants in mineral prospecting.
Author: Hansford T. Shacklette
Publisher:
ISBN:
Category : Geochemical prospecting
Languages : en
Pages : 32
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Book Description
A study of mosses that grow on substrates which contain large amounts of metals and the use of these plants in mineral prospecting.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 252
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Book Description
Author: Geological Survey (U.S.).
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1070
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Book Description
Author: R. L. Erickson
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 226
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Book Description
The amounts of certain elements in mosses and liverworts compared with the amounts in the substrates and in vascular plants.
Author: Colin E. Dunn
Publisher: Elsevier
ISBN: 0080546498
Category : Science
Languages : en
Pages : 481
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Book Description
Significant refinements of biogeochemical methods applied to mineral exploration have been made during more than twenty years since the last major publication on this technique. This innovative, practical and comprehensive text is designed as a field handbook and an office reference volume. It outlines the historical development of biogeochemical methods applied to mineral exploration, and provides details of what, how, why and when to collect samples from all major climatic environments with examples from around the world. Recent commercialization of sophisticated analytical technology permits immensely more insight into the multi-element composition of plants. In particular, precise determination of ultra-trace levels of 'pathfinder' elements in dry tissues and recognition of element distribution patterns with respect to concealed mineralization. Data handling and interpretation are discussed in context of a wealth of previously unpublished information, including a section on plant mineralogy, much of which has been classified as confidential until recently. Data are provided on the biogeochemistry of more than 60 elements and, by case history examples, their roles discussed in assisting in the discovery of concealed mineral deposits. A look to the future includes the potential role of bacteria to provide new focus for mineral exploration. - Describes the practical aspects of plant selection and collection in different environments around the world, and how to process and analyze them - Discusses more than 60 elements in plants, with data interpretation and case history results that include exploration for Au, PGEs, U, base metals and kimberlites
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1214
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Book Description
Author: Jonathan Shaw
Publisher: CRC Press
ISBN: 1040284140
Category : Science
Languages : en
Pages : 367
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Book Description
This volume provides a synthesis of recent work on evolutionary aspects of metal tolerance in plants. It presents contributions from scientists with a wide diversity of expertise. It covers the evolution of heavy metal tolerance in groups of plants, fungi, and protists. The book discusses the physiological, genetic and molecular aspects of metal tolerances. It deals with the evolution of populations in metal-contaminated environments. Several chapters include tolerance in animals in order to place the rest of the book on plants in proper perspective. This publication is an exciting addition for scientists with both applied and basic interest in metal toxicity and tolerance. It is of importance to those in vegetation ecology, land reclamation, agronomy, physiology, population ecology, ecological genetics, evolutionary biology and molecular biology.
Author: M. H. Martin
Publisher: Springer Science & Business Media
ISBN: 9400973527
Category : Science
Languages : en
Pages : 486
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Book Description
In the past two decades there has been an increasing public awareness of the hazards that exist from the contamination of the environment by toxic substances. 'Heavy metals' and the terrestrial environment are but one facet of the impact of toxic substances on the natural environment, and the use of biological materials for indicating the occurrence of, and continually monitoring the presence of, these materials is a specific topic which is of considerable interest to a diverse range of individuals, organisations and disciplines. It was our intention when we first en visaged this book that it should contain a description of a range of circumstances in which biological monitoring techniques have been employed in the terrestrial environment and that it should be seen as a practical text which dealt with the merits, shortcomings and suitability of biological monitoring materials. Monitoring is, however, a manifold process. It serves not only to provide information on past and present concentrations of toxic materials in various components of the environ ment, but also to provide information on the processes of environmental release, transport, accumulation and toxicity. Indeed, this may be one of the greatest virtues of biological monitoring over other forms of monitor ing. According to the skill of the staff employed in the monitoring procedure, the information that is accrued can have a vastly different value.
Author: R. N. Chopra
Publisher: Allied Publishers
ISBN: 9788170238119
Category : Bryology
Languages : en
Pages : 222
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Book Description
Author: R. R. Brooks
Publisher: CRC Press
ISBN: 9789061915430
Category : Science
Languages : en
Pages : 234
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Book Description
