[PDF] Trace And Minor Elements In Anhydrite And Halite From The Supai Formation Permian East Central Arizona eBook

Author : Geological Survey (U.S.)
Publisher :
Page : 146 pages
File Size : 13,21 MB
Release : 1989
Category : Anhydrite
ISBN :

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An inventory of the geologic, physical, hydrologic and chemical characteristics of anhydrite deposits in the United States and evaluation of anhydrite as a possible medium for the storage of radioactive wastes.

Author :
Publisher : Newnes
Page : 14787 pages
File Size : 38,67 MB
Release : 2013-10-19
Category : Science
ISBN : 0080983006

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This extensively updated new edition of the widely acclaimed Treatise on Geochemistry has increased its coverage beyond the wide range of geochemical subject areas in the first edition, with five new volumes which include: the history of the atmosphere, geochemistry of mineral deposits, archaeology and anthropology, organic geochemistry and analytical geochemistry. In addition, the original Volume 1 on "Meteorites, Comets, and Planets" was expanded into two separate volumes dealing with meteorites and planets, respectively. These additions increased the number of volumes in the Treatise from 9 to 15 with the index/appendices volume remaining as the last volume (Volume 16). Each of the original volumes was scrutinized by the appropriate volume editors, with respect to necessary revisions as well as additions and deletions. As a result, 27% were republished without major changes, 66% were revised and 126 new chapters were added. In a many-faceted field such as Geochemistry, explaining and understanding how one sub-field relates to another is key. Instructors will find the complete overviews with extensive cross-referencing useful additions to their course packs and students will benefit from the contextual organization of the subject matter Six new volumes added and 66% updated from 1st edition. The Editors of this work have taken every measure to include the many suggestions received from readers and ensure comprehensiveness of coverage and added value in this 2nd edition The esteemed Board of Volume Editors and Editors-in-Chief worked cohesively to ensure a uniform and consistent approach to the content, which is an amazing accomplishment for a 15-volume work (16 volumes including index volume)!

Author : Roger G. Burns
Publisher : Walter de Gruyter GmbH & Co KG
Page : 392 pages
File Size : 26,58 MB
Release : 2018-12-17
Category : Science
ISBN : 1501508644

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Volume 6 of Reviews in Mineralogy was originated from notes prepared for a short course on Marine Minerals held in La Jolla, California, November 2-3, 1979. Chapters in this volume are devoted to marine manganese oxide, iron oxide, silica polymorphs, zeolite, clay, phosphorite, barite, evaporite, and placer minerals. Carbonates are not included; coverage of this important mineral group warrants a separate monograph. The extremely interesting sulfide and hydrothermal mineral assemblages recently discovered at oceanic spreading centers are also not discussed here. Marine Minerals was first published in 1979 as Volume 6 of the series entitled Short course. In 1980 the Mineralogical Society of America changed the name of the series to Reviews in Mineralogy, and for that reason this, the second printing of Marine Minerals has been reissued under the new banner. Only minor corrections have been made.

Author : Andreas Bauer
Publisher : Springer
Page : 327 pages
File Size : 50,83 MB
Release : 2014-08-27
Category : Science
ISBN : 3642313590

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Geochemistry at the surface of the earth is dominated by two somewhat antagonistic forces: chemical reactions which attempt to attain a steady state (equilibrium) and geological movement of materials in time and space which changes the parameters that control chemical equilibrium. Another aspect that is extremely important to earth surface geochemistry is the effect of plants on the chemical and physical stability of materials (soils). Plant systems in fact work against the normal chemical changes (loss of silica, potassium, etc.) and the normal physical changes (stabilizing fine grained materials (clays) in the surface zones to avoid erosion). Biological effects are clearly seen in redox effects in the various parts of the earth surface movement cycle; soil formation, stream transport, sedimentation. This book attempts to outline these different parameters and their interactions as they affect earth surface geochemistry in order to give a better understanding of movement and accumulation of elements at the surface of the earth.