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Author : International Association of Geochemistry and Cosmochemistry
Publisher : Unknown
Page : 324 pages
File Size : 40,8 Mb
Release : 1979
Category : Science
ISBN : UOM:39015031079125
Author : Frederic R. Siegel
Publisher : Unknown
Page : 290 pages
File Size : 47,6 Mb
Release : 2000
Category : Geochemistry
ISBN : OCLC:959783569
Author : Richard Wainerdi
Publisher : Springer Science & Business Media
Page : 412 pages
File Size : 52,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781468418309
The founders of geology at the beginning of the last century were suspicious oflaboratories. Hutton's well-known dictum illustrates the point: "There are also superficial reasoning men . . . they judge of the great oper ations of the mineral kingdom from having kindled a fire, and looked into the bottom of a little crucible. " The idea was not unreasonable; the earth is so large and its changes are so slow and so complicated that labo ratory tests and experiments were of little help. The earth had to be studied in its own terms and geology grew up as a separate science and not as a branch of physics or chemistry. Its practitioners were, for the most part, experts in structure, stratigraphy, or paleontology, not in silicate chemistry or mechanics. The chemists broke into this closed circle before the physicists did. The problems of the classification of rocks, particularly igneous rocks, and of the nature and genesis of ores are obviously chemical and, by the mid- 19th century, chemistry was in a state where rocks could be effectively analyzed, and a classification built up depending partly on chemistry and partly on the optical study of thin specimens. Gradually the chemical study of rocks became one of the central themes of earth science.
Author : Robin Gill
Publisher : Routledge
Page : 342 pages
File Size : 55,8 Mb
Release : 2014-09-12
Category : Science
ISBN : 9781317894711
A comprehensive handbook of analytical techniques in geochemistry which provides the student and the professional with an understanding of the wide spectrum of different analytical methods that can be applied to Earth and environmental materials, together with a critical appreciation of their relative merits and limitations.
Author : Russell Harmon,Andrew Parker
Publisher : John Wiley & Sons
Page : 573 pages
File Size : 48,9 Mb
Release : 2011-03-03
Category : Science
ISBN : 9781444329971
This book is a contribution to the International Year of Planet Earth arising from the 33rd International Geological Congress, held in Oslo, Norway during August 2008. The first section of the book considers aspects of geochemical processes which led to the development of the solid Earth as it is today. The second portion of the book shows how the rapidly-evolving analytical tools and approaches presently used by geochemists may be used to solve emerging environmental and other societal problems. This unique collection of reviews, with contributions from a range of internationally distinguished scientists, will be invaluable reading for advanced students and others interested in the central role geochemistry in the earth sciences.
Author : Anonim
Publisher : Unknown
Page : 278 pages
File Size : 43,9 Mb
Release : 1982
Category : Energy conservation
ISBN : SRLF:D0011900206
Author : C.R.M. Butt,H. Zeegers
Publisher : Elsevier
Page : 644 pages
File Size : 44,8 Mb
Release : 2015-12-04
Category : Science
ISBN : 9781483291222
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.
Author : C.H. Fernando
Publisher : Springer Science & Business Media
Page : 511 pages
File Size : 46,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400965454
When the late Professor Joachim Illies suggested in 1980 that I edit a volume of the Monographiae Biologicae on Sri Lanka, I was glad to accept the challenge. Although I had spent only six years of my research and teaching career in Sri Lanka, I had made personal contact or corresponded with many scientists who had worked in, still work in, or who have studied material from Sri Lanka. The present domicile of the authors of the chapters in this volume shows the wide geographic spread of interest in Sri Lanka, and indicates also the dispersion of Sri Lankan scientists like myself. Sri Lanka has had a relatively long history of indigenous scientific research in the natural sciences. From the early work of Kelaart (1852, Prodromous Fauna Zeylanicae, Ceylon Govt. Press, 250 pp.) to the present time, there has been a more or less sustained research effort in the natural sciences. The Colombo Museum, which celebrated its centenary only a few years ago, and the world famous Peradeniya Botanical Gardens, served as repositories and bases for continued research on the fauna and flora. There are a number of land marks in these studies.
Author : Alexis Volborth
Publisher : Elsevier
Page : 390 pages
File Size : 44,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780444601513
Elemental Analysis in Geochemistry: A. Major Elements provides an introduction to basic classical and modern instrumental ""macro"" methods for geochemical research. The intention is to acquaint the beginning analyst or geochemist with the minimum of analytical methods required to satisfactorily perform a complex silicate or similar analysis. By combining classical and modern instrumental methods in one book, strong emphasis is put on the importance of the analyst's ability to grasp the general structure and relation of some of the most frequently used analytical techniques. The book begins with basic concepts such as the preparation and decomposition of samples; statistical evaluation; and methods of separation and analysis. It outlines the classical qualitative separation scheme, which is very useful in understanding the analytical problems of complex mixtures, especially when hydrogen sulfide group metals are present. It discusses analytical techniques such as the detection and quantitative gravimetric analysis of silicon; volumetric or titrimetric methods; emission photometric analysis; atomic absorption spectroscopy; nondestructive instrumental methods; methods in X-ray spectrochemistry; and developments in neutron activation analysis.
Author : K. J. Schulz
Publisher : Geological Survey
Page : 868 pages
File Size : 43,5 Mb
Release : 2017
Category : Industrial minerals
ISBN : 1411339916
As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent reliant on foreign sources for 20 mineral commodities and imports the majority of its supply of more than 50 mineral commodities. Mineral commodities that have important uses and face potential supply disruption are critical to American economic and national security. However, a mineral commodity's importance and the nature of its supply chain can change with time; a mineral commodity that may not have been considered critical 25 years ago may be critical today, and one considered critical today may not be so in the future. The U.S. Geological Survey has produced this volume to describe a select group of mineral commodities currently critical to our economy and security. For each mineral commodity covered, the authors provide a comprehensive look at (1) the commodity's use; (2) the geology and global distribution of the mineral deposit types that account for the present and possible future supply of the commodity; (3) the current status of production, reserves, and resources in the United States and globally; and (4) environmental considerations related to the commodity's production from different types of mineral deposits. The volume describes U.S. critical mineral resources in a global context, for no country can be self-sufficient for all its mineral commodity needs, and the United States will always rely on global mineral commodity supply chains. This volume provides the scientific understanding of critical mineral resources required for informed decisionmaking by those responsible for ensuring that the United States has a secure and sustainable supply of mineral commodities.
Author : Theophilus Clavell Davies
Publisher : Elsevier
Page : 756 pages
File Size : 50,8 Mb
Release : 2024-06-10
Category : Science
ISBN : 9780128187494
Medical Geology of Africa explores the connection between geological materials, processes and the health of humans and animals. The book fosters an improved understanding of the ways in which the geological environment impacts the geographical distribution of health problems and how they contribute to better diagnoses and therapy. Africa’s unique geoenvironmental condition gives added relevance to such studies, underlining the need for geoscience and public health students and practitioners to understand new principles and applications. Chapters in the book provide extended enquiry-based investigations and examples that employ real geochemical datasets, epidemiological records, public health statistics and visualizations. Provides a summary of current research on Medical Geology of Africa Identifies gaps in knowledge of the role of the geo-environment in deciphering unknown aetiologies Assembles the most recent literature on current thematic issues, and prescribes directions of future research
Author : Banu YÜCEL,Mustafa Tolga TOLON
Publisher : Akademisyen Kitabevi
Page : 35 pages
File Size : 48,9 Mb
Release : 2020-06-05
Category : Technology & Engineering
ISBN : 9786052588970
Author : Benedetto De Vivo,Harvey Belkin,Annamaria Lima
Publisher : Elsevier
Page : 828 pages
File Size : 47,8 Mb
Release : 2024-02-27
Category : Science
ISBN : 9780443138027
Environmental Geochemistry: Site Characterization, Data Analysis, Case Histories, and Associated Health Issues provides a wealth of information on modern geochemical methods, techniques, and procedures for those studying toxic substances found in soil, air, and water. This new edition takes an especially close look at environmental pollution and its impact on human health. The first third of the book looks at a variety of methods and procedures, such as taking groundwater samples, biological monitoring, geochemical mapping, and models of geochemical speciation. This is followed by a close look at different pollutants, including lead and pesticides. The authors conclude with several detailed case histories examining health issues resulting from environmental pollution. Environmental researchers and practitioners will return to this book again and again in their work towards understanding and reducing the environmental pollutants that affect our health. Provides an in-depth examinations of the latest geochemical techniques and procedures Presents a detailed analysis of various applied studies in pollution and contamination Includes new case histories that highlight environmental pollution and related health issues
Author : Gerard Meurant
Publisher : Elsevier
Page : 493 pages
File Size : 50,7 Mb
Release : 2013-10-22
Category : Science
ISBN : 9780444599902
World Mineral Supplies: Assessment and Perspective examines some of the issues in the debate about whether there is an impending global shortage of mineral resources and whether technology and exploration can meet the needs of a rapidly growing rate of mineral consumption in the world. The geologic and economic factors that determine the demand for and the availability and distribution of mineral resources and reserves are discussed, and the future of mineral resource supplies is considered. Comprised of 14 chapters, this volume places emphasis on the technical problems of assuring adequate mineral supplies for the future. The discussion begins by analyzing the complexities and confusion that color much of the discussion about the size and adequacy of world mineral supplies, focusing on the importance of distinguishing between "resources" and "reserves". The next chapter deals with the creation of reserves from resources as a function of price, cost, ore grade, and technology. Subsequent chapters explore the physical and chemical factors that determine the absolute abundance and the actual availability and distribution of resources; the actual geographic distribution among countries of mineral supply and demand; and trends in energy consumption and supply. Conservation of minerals and of the environment and mineral exploration and technical cooperation in developing countries are also treated in considerable detail, along with deep mining techniques and UNDP-assisted projects in geology and mineral resources. This book will be of interest to economists, social scientists, geologists, mining engineers, and mineral technologists.
Author : Neloy Khare
Publisher : CRC Press
Page : 393 pages
File Size : 41,7 Mb
Release : 2021-05-27
Category : Science
ISBN : 9781000391756
Quaternary studies provide the essential context for evaluation of what is happening with the earth's climate today, and to clarify our vulnerability to hazardous natural processes. This book covers scientific aspects of past and present climatic changes of the quaternary period focused on the Indian subcontinent via response of modern environmental conditions on climate proxies, reconstruction of paleoclimate, paleomonsoon, glacial geology, climate variabilities using dendrochronology, cave deposits including quaternary tectonics and climate change over the Himalayan region. It consists of data generated from different landforms including lakes, caves, rivers, swamps, pits, and trenches using different proxies. Aimed at researchers, graduate students, professionals in geology, geography and environmental sciences, micropaleontology, and Quaternary climate change, this book: Studies Quaternary climate using various proxies in varied environments on the Indian sub-continent Covers pertinent historical and environmental archives to understand the current climate scenario Discusses the impact of climate change on biotic and abiotic components Includes thorough review of paleoclimate change studies Devotes significant space to glacial geology and all glacial climate proxies