Evolution Of Chromium Ore Fields
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Evolution Of Chromium Ore Fields
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Author : Clive William Stowe
language : en
Publisher:
Release Date : 1987
Evolution Of Chromium Ore Fields written by Clive William Stowe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nature categories.
Ophiolite Genesis And Evolution Of The Oceanic Lithosphere
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Author : Tj. Peters
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ophiolite Genesis And Evolution Of The Oceanic Lithosphere written by Tj. Peters and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Proceedings of the Ophiolite Conference, held in Muscat, Oman, January 7-18, 1990
Ore Deposits And Mantle Plumes
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Author : Franco Pirajno
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Ore Deposits And Mantle Plumes written by Franco Pirajno and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
PERTH Western Australia March 2000 Increasingly explorationists are seeking to find new ore deposits in poorly prospected areas, be they geographically remote, such as in the Arctic, or geologically remote, such as those under sedimentary cover. Modern prospecting techniques, including low-detection-level geochemistry and the use of advanced geophysical instrumentation have greatly assisted explorers but fundamental to any soundly based exploration program remains an understanding of the geological framework of ore deposits. This allows the development of deposit models on macroscopic and mesoscopic scales. This book by Dr. Franeo Pirajno draws on his extensive and wide global experience. To set the scene for a discussion of ore deposit generation Franeo details the Earths internal structures and mantle dynamics. He then explores the impact of mantle plumes on the crust and in particular their role in the production of magmatic environments, and in continental scale rifting. This includes a descriptive section on magmatic provinces around the globe, which highlights the importance of plumes. Any study of Earth processes needs to take into account the effects of extraterrestrial bombardment, and in particular the results from the impacts of large bolides. The effects of these impacts on the atmosphere and on life have now been recognised as profound. It is likely that the effect ofthese impacts on the Earth's crust is as equally profound.
Mineral Deposits At The Beginning Of The 21st Century
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Author : A. Piestrzynski
language : en
Publisher: CRC Press
Release Date : 2022-05-02
Mineral Deposits At The Beginning Of The 21st Century written by A. Piestrzynski and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-02 with Science categories.
The Joint 6th Biennial SGA-SEG Meeting was held in Krakow in August 2001. This volume contains 274 extended abstracts, grouped thematically under 18 session titles covering topics such as lead-zinc deposits; metamorphism affecting mineral deposits; and the environmental aspects of mining.
Understanding Mineral Deposits
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Author : Kula Misra
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Understanding Mineral Deposits written by Kula Misra and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Mineral deposits have supplied useful or valuable material for human consumption long before they became objects of scientific curiosity or commercial exploitation. In fact, the earliest human interest in rocks was probably because of the easily accessible, useful (e. g. , red pigment in the form of earthy hematite) or valuable (e. g. , native gold and gemstones) materials they contained at places. In modem times, the study of mineral deposits has evolved into an applied science employing detailed field observations, sophisticated laboratory techniques for additional information, and computer modeling to build complex hypotheses. Understanding concepts that would someday help geologists to find new mineral deposits or exploit the known ones more efficiently have always been, and will continue to be, at the core of any course on mineral deposits, but it is a fascinating subject in its own right, even for students who do not intend to be professional economic geologists. I believe that a course on mineral deposits should be designed as a "capstone course" that illustrates a comprehensive application of concepts from many other disciplines in geology (mineralogy, stratigraphy and sedimentation, structure and tectonics, petrology, geochemistry, paleontology, geomorphology, etc. ). This book is intended as a text for such an introductory course in economic geology, primarily for senior undergraduate and graduate students in colleges and universities. It should also serve as a useful information resource for professional economic geologists.
Proterozoic Crustal Evolution
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Author : K.C. Condie
language : en
Publisher: Elsevier
Release Date : 1993-02-03
Proterozoic Crustal Evolution written by K.C. Condie and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-02-03 with Science categories.
As a final product of the International Geological Correlation Program (IGCP) Project 217, this volume brings together significant advances in the understanding of Proterozoic crustal evolution. This IGCP Project focussed on nine research objectives: 1) Comparison of Archean and Proterozoic supracrustal assemblages to more fully understand differences between Archean and post-Archean tectonic regimes; 2) To more fully understand the geochemical differences between Archean and post-Archean sediments and to evaluate the various factors that control sediment composition; 3) From combined U/Pb zircon and whole-rock Sm/Nd studies, to see if the apparent 2.4-2.0 continental crust "generation gap" is real; 4) To employ new techniques in the dating of individual zircons to more fully understand Proterozoic tectonic history and the role of crustal reworking; 5) From trace element ratios and Nd isotopic data from basalts, to better understand Proterozoic mantle evolution; 6) To encourage more detailed studies of the anorogenic granite-anorthosite association to better understand its origin and significance in terms of crustal evolution; 7) From combined Nd, Pb, and Sr isotopic data, to more precisely estimate the amount of new continental crust formed during the Proterozoic; 8) To encourage joint P-T and geochronological studies of Proterozoic and high-grade terranes to better understand Proterozoic orogenesis: and 9) To try and understand why hydrothermal precious metal deposits are relatively rare in the Proterozoic compared to both the Archean and the Phanerozoic. The book should be of interest to professionals in the geosciences (especially geochemists, petrologists and structural geologists) and graduate students in the same fields.
Processes And Ore Deposits Of Ultramafic Mafic Magmas Through Space And Time
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Author : Sisir K. Mondal
language : en
Publisher: Elsevier
Release Date : 2017-09-08
Processes And Ore Deposits Of Ultramafic Mafic Magmas Through Space And Time written by Sisir K. Mondal and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-08 with Science categories.
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time focuses on the fundamental processes that control the formation of ore deposits from ultramafic-mafic magmas, covering chromite, platinum-group element (PGE), Ni-sulfides and Ti-V-bearing magnetite. The exploration, exploitation and use of these magmatic ores are important aspects of geology and directly linked to the global economy. Magmatic ores form from ultramafic-mafic magmas and crystallize at high-temperature after emplacement into crustal magma chambers, and are genetically linked to the evolution of the parental magmas through space and time. This book features recent developments in the field of magmatic ore deposits, and is an essential resource for both industry professionals and those in academia. Elucidates the relationships between tectonic settings and magmatic ore mineralization Provides the links between magma generation in the mantle and ore mineralization at crustal levels Features the latest research on changing patterns in magmatic ore mineralization through time and their bearing on the chemical evolution of the Earth’s mantle
Nonmetalliferous Stratabound Ore Fields
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Author : Milka K. de Brodtkorb
language : en
Publisher: Springer
Release Date : 1989-08-31
Nonmetalliferous Stratabound Ore Fields written by Milka K. de Brodtkorb and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-08-31 with Science categories.
The series editor's foreword provides the opportunity to give the rationale for a series on the evolution of ore fields. In brief, it meets a need that I, an explorationist, perceived as I became involved in a multidisciplinary explo ration program in the late 1960s. We were looking for mines while prospecting at the ore-field scale. The practicalities demand that we know more about the ore field and that we do not just study individual deposits, the analogy being the three blind men who attempted to describe the elephant as they felt the trunk, ear, or leg. Two considerations in identifying ore fields are the different perception as one changes scale from orebody to ore field and the problem of stratigraphic classification and nomenclature in terms appropriate to metallogenesis. Two workers, Brock (1972) and Carey (1976), have been particularly con cerned with the different appreciation brought about by a change in scale.
Structures Of Ophiolites And Dynamics Of Oceanic Lithosphere
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Author : A. Nicolas
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structures Of Ophiolites And Dynamics Of Oceanic Lithosphere written by A. Nicolas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Chromium
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Author :
language : en
Publisher:
Release Date : 1993
Chromium written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Chromium categories.