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A Field And Petrological Study Of Oxide Facies Algoma Type Banded Iron Formation Sherman Mine Temagami
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Book Synopsis A Field and Petrological Study of Oxide-Facies Algoma-Type Banded Iron Formation, Sherman Mine, Temagami by : Stephen Ginley
Download or read book A Field and Petrological Study of Oxide-Facies Algoma-Type Banded Iron Formation, Sherman Mine, Temagami written by Stephen Ginley and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Banded iron formation (BIF) is the most commonly mined source of iron ore, but the details of its genesis are poorly defined. Algoma-Type BIF is a predominantly chemical sedimentary rock comprising iron-rich phases (hematite, magnetite, chlorite) and chert as distinct laminae associated with deep marine lithologies, especially volcanic rocks and black shales. The iron minerals are thought to be direct chemical precipitates from Fe-enriched bottom waters or formation waters, most probably related to proximal volcanic activity. Key questions examined in this study are the paragenetic relationships and origins of mineralogically distinct layers in the Temagami BIF and the possible mechanism of replacement of primary hematitic layers by magnetite. The latter is a fundamental process in generating ore-grade BIF. The mineralogical and geochemical fingerprints of the different components of the BIF are also examined as clues to their likely sources (i.e., from upflowing hydrothermal fluids, contemporaneous volcaniclastic material, or precipitation from the local bottom water). Field observations indicate three separate depositional horizons for BIF in the area and exclude previous suggestions of fold repetition. Documented relationships between different types of layers and different facies of BIF in outcrop and in samples of the ore material, including petrographic features and aspects of the mineral chemistry and whole rock geochemistry, were used to construct a detailed paragenesis of the Temagami BIF. Two paragenetically distinct types of hematite and three types of magnetite are distinguished by different habits, grain size, cross-cutting relationships and growth features. Whole rock geochemical data confirm that the different facies of BIF were mainly products of redox-driven precipitation, combined with local hydrothermal and clastic input.
Book Synopsis Evolution of Early Earth's Atmosphere, Hydrosphere, and Biosphere by : Stephen E. Kesler
Download or read book Evolution of Early Earth's Atmosphere, Hydrosphere, and Biosphere written by Stephen E. Kesler and published by Geological Society of America. This book was released on 2006-01-01 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The history of Earth's early atmosphere, hydrosphere, and biosphere, from Hadean through Proterozoic time, is one of geology's enduring puzzles. Ore deposits provide important insights into this history because they contain elements and minerals that are highly sensitive to the geochemical environment in which they form. Just what these minerals tell us remains a matter of considerable debate, however. When and how did life develop, an oxygen-rich atmosphere form, and sulfate dominate the ocean? This volume contains reports on these questions from both sides of the aisle for iron and manganese formations, uranium paleoplacers and hydrothermal deposits, and exhalative sulfides and oxides."--Publisher's website.
Book Synopsis Gold metallogeny and exploration by : R. P. Foster
Download or read book Gold metallogeny and exploration written by R. P. Foster and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within the last decade, the high and continuing demand for gold has prompted a global gold rush on a scale never before seen, not even in the heady days of Ballarat, California and the Yukon. Gold is being sought on every continent and, with very few exceptions, in every country around the world. Such interest and fierce competition has demanded considerable innovation and improvement in exploration techniques paralleled by a rapid expansion of the geological database and consequent genetic modelling for the many different types of gold deposits now recognized. This proliferation of data has swamped the literature and left explorationist and academic alike unable to sift more than a small proportion of the accumulating information. This new book represents an attempt to address this major problem by providing succinct syntheses ofall major aspects ofgold metallogeny and exploration, ranging from the chemical distribution of gold in the Earth's crust, and the hydrothermal chemistry of gold, to Archaean and Phanerozoic lode deposits, epithermal environments, chemical sediments, and placer deposits, and culminates in chapters devoted to geochemical and geophysical exploration, and the economics of gold deposits. Each chapter is written by geoscientists who are acknowledged internationally in their respective fields, thus guaranteeing a broad yet up-to-date coverage. In addition, each chapter is accompanied by reference lists which provide readers with access to the most pertinent and useful publications.
Book Synopsis Archean Base and Precious Metal Deposits, Southern Abitibi Greenstone Belt, Canada by : Thomas Monecke
Download or read book Archean Base and Precious Metal Deposits, Southern Abitibi Greenstone Belt, Canada written by Thomas Monecke and published by . This book was released on 2017 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Abitibi greenstone belt of eastern Canada represents the world's largest Neoarchean terrane of supracrustal rocks. Straddling the border between the provinces of Ontario and Quebec, the belt covers an area that is approximately 700 km from southeast to northwest and 350 km from north to south. The belt is comprised of several major east-trending successions of folded volcanic and sedimentary rocks, with intervening intrusions. The supracrustal rocks of the Abitibi greenstone belt are uniquely well preserved and have mostly been overprinted only at a low metamorphic grade, allowing the study of primary geological relationships.
Download or read book The New U.S. Geological Survey written by and published by . This book was released on 1997 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles of Geochemical Prospecting by : Herbert Edwin Hawkes
Download or read book Principles of Geochemical Prospecting written by Herbert Edwin Hawkes and published by . This book was released on 1957 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Mineral Deposit Modeling by :
Download or read book Developments in Mineral Deposit Modeling written by and published by . This book was released on 1992 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Geology of Ore Deposits by : John M. Guilbert
Download or read book The Geology of Ore Deposits written by John M. Guilbert and published by Waveland Press. This book was released on 2007-02-09 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern civilizations dependence upon an increasing volume and diversity of minerals makes the search for new ore deposits ever more difficult. Now available from Waveland Press, Guilbert & Parks text presents ideas, principles, and data fundamental for beginning economic geologists to understand the genesis and localization of ore deposits and of the minerals associated with them. The authors comprehensively describe the physical and chemical characteristics of ore deposits and correlate them with environments and conditions of deposition, since ore deposits are best interpreted as extensions of the environments responsible for their enclosing rocks. Examples and illustrations emphasize structural, chemical, and temporal controls and encourage the three-dimensional thinking used by productive explorationists as they face unsolved problems. This upper-level undergraduate text is fully illustrated and meticulously indexed. Its reliable, authoritative coverage assumes an upper-level command of chemistry and physics, as well as mineralogy, petrology, and structural geology. Outstanding features . . . develops and combines the abilities of the explorationist and of the researcher of ore-forming processes structures the geologic descriptions into groupings recognized by researchers and explorers alike builds confidence, revitalizes curiosity, and encourages expanded thinking emphasizes that the days of easy discovery of outcropping ores are not over includes revised, expanded, and updated descriptions of districts
Author :United States. Department of Transportation. Assistant Secretary for Governmental Affairs Publisher : ISBN 13 : Total Pages :80 pages Book Rating :4.3/5 ( download)
Book Synopsis Transportation and the Future by : United States. Department of Transportation. Assistant Secretary for Governmental Affairs
Download or read book Transportation and the Future written by United States. Department of Transportation. Assistant Secretary for Governmental Affairs and published by . This book was released on 1979 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Archean Greenstone Belts by : K.C. Condie
Download or read book Archean Greenstone Belts written by K.C. Condie and published by Elsevier. This book was released on 1981-01-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Archean Greenstone Belts
Book Synopsis Nickel Sulfide Ores and Impact Melts by : Peter C. Lightfoot
Download or read book Nickel Sulfide Ores and Impact Melts written by Peter C. Lightfoot and published by Elsevier. This book was released on 2016-08-23 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nickel Sulfide Ores and Impact Melts: Origin of the Sudbury Igneous Complex presents a current state of understanding on the geology and ore deposits of the Sudbury Igneous Complex in Ontario, Canada. As the first complete reference on the subject, this book explores the linkage between the processes of meteorite impact, melt sheet formation, differentiation, sulfide immiscibility and metal collection, and the localization of ores by magmatic and post-magmatic processes. The discovery of new ore deposits requires industry and government scientists and academic scholars to have access to the latest understanding of ore formation process models that link to the mineralization of their host rocks. The ore deposits at Sudbury are one of the world’s largest ore systems, representing a classic case study that brings together very diverse datasets and ways of thinking. This book is designed to emphasize concepts that can be applied across a broad range of ore deposit types beyond Sudbury and nickel deposit geology. It is an essential resource for exploration geologists, university researchers, and government scientists, and can be used in rock and mineral analysis, remote sensing, and geophysical applications. Provides the only reference book to focus entirely on the Sudbury Igneous Complex Brings together an understanding of ore deposit and impact melts as a basis for future exploration Authored by a leading expert on the geology of the Sudbury Igneous Complex with 35 years of experience working on nickel sulfide ore deposits
Book Synopsis The Environmental Geochemistry of Mineral Deposits by : Geoffrey S. Plumlee
Download or read book The Environmental Geochemistry of Mineral Deposits written by Geoffrey S. Plumlee and published by . This book was released on 1999 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Duty and Desire Book Club Edition by : Anju Gattani
Download or read book Duty and Desire Book Club Edition written by Anju Gattani and published by . This book was released on 2021-01-27 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: To uphold family honor and tradition, Sheetal Prasad is forced to forsake the man she loves and marry playboy millionaire Rakesh Dhanraj while the citizens of Raigun, India, watch in envy. On her wedding night, however, Sheetal quickly learns that the stranger she married is as cold as the marble floors of the Dhanraj mansion. Forced to smile at family members and cameras and pretend there's nothing wrong with her marriage, Sheetal begins to discover that the family she married into harbors secrets, lies and deceptions powerful enough to tear apart her world. With no one to rely on and no escape, Sheetal must ally with her husband in an attempt to protect her infant son from the tyranny of his family.sion.
Book Synopsis The Geology and Ore Deposits of the Sudbury Structure by : E. G. Pye
Download or read book The Geology and Ore Deposits of the Sudbury Structure written by E. G. Pye and published by Ontario, Ministry of Natural Resources. This book was released on 1984 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lack of a comprehensive treatise on Sudbury geology has beenevident to many geoscientists who have worked or are working inthe Sudbury area. Geoscientists presently working in the Sudburyarea were invited to contribute to a volume on Sudbury geology tocommemorate the bicentenary of Ontario and the centenary ofSudbury. The purpose of this multidisciplinary approach was todocument the geological and geophysical features of the SudburyStructure.
Book Synopsis Health Effects of Mineral Dusts by : George D. Guthrie, Jr.
Download or read book Health Effects of Mineral Dusts written by George D. Guthrie, Jr. and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 28 of Reviews in Mineralogy provides some of the necessary tools for the researcher interested in this area of interdisciplinary research. The chapters present several of the important problems, concepts, and approaches from both the geological and biological ends of the spectrum. These two extremes are partially integrated throughout the book by cross-referencing between chapters. Chapter 1 also presents a general introduction into the ways in which these two areas overlap. However, many of the areas ripe for the interdisciplinarian will become obvious after reading the various chapters. The final chapter of this book discusses some of the regulatory aspects of minerals. Ultimately, the regulatory arena is where this type of interdisciplinary approach can make an impact, and hopefully better communication between all parties will accomplish this goal. A glossary is included at the end of this book, because the complexity of scientific terms in the two fields can thwart even the most enthusiastic of individuals. This volume represents the proceedings of a course by the same title held at Harbor House Resort and Conference Center on Nantucket Island off the coast of Massachusetts, October 22-24, 1993.
Book Synopsis Skarns in British Columbia by : Gerald E. Ray
Download or read book Skarns in British Columbia written by Gerald E. Ray and published by . This book was released on 1997 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Skarns in British Columbia have historically been important sources of iron, tungsten, copper, and gold. This publication begins with an introduction on skarn terminology and the problems of skarn identification. It then reviews a genetic model of skarn formation and presents descriptive profiles of eight types of skarn deposits; describes the database of at least 735 skarn occurrences in the province, and the number and distribution of skarns in British Columbia according to their associations, class, age, and distribution; and notes the ages of British Columbia skarns and the total production of various metals extracted from British Columbia skarns. Subsequent sections provide information on assays and metal ratios of mineralized skarns, skarn mineralogy, skarn mineral chemistry, chemistry of skarn-related intrusions, and the mapping and evaluation of skarns. The appendix contains a listing of 735 skarn occurrences in British Columbia, giving deposit name, MINFILE number, latitude/longitude, elements and minerals present, and associated rocks and their ages.
Book Synopsis Large Meteorite Impacts and Planetary Evolution V by : Gordon R. Osinski
Download or read book Large Meteorite Impacts and Planetary Evolution V written by Gordon R. Osinski and published by Geological Society of America. This book was released on 2015-10-22 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this volume, the geologic and planetary science communities explore impact events and how they affected the evolution of Earth and other planetary bodies. these papers are the outcome of a conference held every five years.
