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Internal Structure Of Granitic Pegmatites
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Book Synopsis Internal Structure of Granitic Pegmatites by : Eugene Nathan Cameron
Download or read book Internal Structure of Granitic Pegmatites written by Eugene Nathan Cameron and published by . This book was released on 1949 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of strategic mineral deposits in the major domestic pegmatite districts by the U.S. Geological Survey from 1939-1945 resulted in the clarification of many problems related to the internal structure, mineralogy and origin of granitic pegmatites. This report summarises about 68 man years of work in the pegmatite districts of New England, the Southeastern States, South Dakota, Idaho, Montana, Wyoming, Colorado, and New Mexico.
Book Synopsis Internal Structure of Granitic Pegmatites by : Eugene Nathan Cameron
Download or read book Internal Structure of Granitic Pegmatites written by Eugene Nathan Cameron and published by . This book was released on 1949 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Internal Structure of Granite Pegmatites, by E.N. Cameron [and Others]. by : Eugene Nathan Cameron
Download or read book Internal Structure of Granite Pegmatites, by E.N. Cameron [and Others]. written by Eugene Nathan Cameron and published by . This book was released on 1949 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Internal Structure of Granitic Pegmatites by :
Download or read book Internal Structure of Granitic Pegmatites written by and published by . This book was released on 1949 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Internal structure of granite pegmatites by :
Download or read book Internal structure of granite pegmatites written by and published by . This book was released on 1949 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Granite-related Ore Deposits by : Alcides Nóbrega Sial
Download or read book Granite-related Ore Deposits written by Alcides Nóbrega Sial and published by Geological Society of London. This book was released on 2011 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together a collection of papers that summarize current ideas and recent progress in the study of granite-related mineralization systems. They provide a combination of field, experimental and theoretical studies. Papers are grouped according to the main granite-related ore systems: granite-pegmatite, skarn and greisen-veins, porphyry, orogenic gold, intrusion-related, epithermal and porphyry-related gold and base metal, iron oxide-copper-gold (IOCG), and special case studies. The studies provide a broad spread in terms of both space and time, highlighting granite-related ore deposits from Europe (Russia, Sweden, Croatia and Turkey), the Middle East (Iran), Asia (Japan and China) and South America (Brazil and Argentina) and spanning rocks from Palaeoproterozoic to Miocene in age.
Book Synopsis Lanthanides, Tantalum and Niobium by : Peter Möller
Download or read book Lanthanides, Tantalum and Niobium written by Peter Möller and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rare Earth Elements (REE) as well as tantalum and niobium are of tremendous importance because of their specific high-technology applications. The contributions gathered in this volume give an up-to-date survey on the mineralogy, primary ore deposits, prospecting, processing and applications of REE, Ta, and Nd, making this volume a useful handbook for practitioners and students. Finally, the comprehensive coverage of the fundamental aspects, especially as regards REE as tracers of geological phenomena, will prove extremely helpful.
Book Synopsis The Encyclopedia of Igneous and Metamorphic Petrology by : Donald Bowes
Download or read book The Encyclopedia of Igneous and Metamorphic Petrology written by Donald Bowes and published by Springer Science & Business Media. This book was released on 1990-02-28 with total page 635 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring over 250 contributions from more than 100 earth scientists from 18 countries, The Encyclopedia of Igneous and Metamorphic Petrology deals with the nature and genesis of igneous rocks that have crystallized from molten magma, and of metamorphic rocks that are the products of re-crystallization associated with increases in temperature and pressure, mainly at considerable depths in the Earth's crust. Entries range from alkaline rocks to zeolite facies - providing information on the mineralogical, chemical and textural characters of rock types, the development of concepts and the present state of knowledge across the spectrum of igneous and metamorphic petrology, together with extensive lists of both commonly used and little used terms and bibliographies.
Book Synopsis Geology and Petrochemistry of Granitic Pegmatite in Jema’a Pegmatite Field, Kaduna State by : Ahmed Isah Haruna
Download or read book Geology and Petrochemistry of Granitic Pegmatite in Jema’a Pegmatite Field, Kaduna State written by Ahmed Isah Haruna and published by GRIN Verlag. This book was released on 2012-09-27 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2012 in the subject Geography / Earth Science - Geology, Mineralogy, Soil Science, grade: "none", Abubakar Tafawa Balewa University (School of Science), course: Economic Geology-Mineral Exploration, language: English, abstract: The research work “Geology and Petrochemistry of Granitic Pegmatites in Jema’a Field” is a systematic study of the pegmatites in relation to the adjoining granitoids (biotite muscovite granite, albite granite and granite aplite) with a view to understanding their geological and geodynamic evolution and subsequent economic potential through the behavior of rare elements. The field work was conducted on a scale of 1:50, 000. 33 rocks and mineral separates extracted from pegmatites were analyzed. The samples were subdivided into two parts; one part was analyzed using X-Ray Fluorescence to generate data on major and minor elements, while Instrumental Neutron Activation Analysis was used to generate data on trace elements. The other part of the samples was made into thin section for petrographic studies. Petrochemical and petrographic interpretations concur on the changes in colour of micas from brown biotite in granitoids to blue muscovite, to purplish green mica to purple mica in the pegmatites corresponding to increase in rare elements (Rb, Cs, Na, Ta, Nb, Ga) and volatiles (P, H2O, F) from the granitoids into the pegmatites. This constitute a fractionation trend. This is also strongly supported by fairly consistent increase in Aluminum Saturation Index (A/CNK), normative corundum, normative albite, Lost on Ignition (LOI), differentiation Index (DI) and corresponding decrease in Ba, Zr and Ti. The pegmatites contains more fluxes and liquidus depressing elements (P, H2O, F) especially phosphorus. The granitoids (biotite muscovite granite, albite granite and granite aplite) are therefore fertile, peraluminous, siliceous and S-type and are parental to the pegmatites. The feldspars display perthitic textures which show incomplete solid solution and lowering of liquidus. The tectonic discrimination of the granitoids and the pegmatites show that they were formed within syncollisional, peraluminous, and active continental margin. The research suggest fractionation as a metallogenetic process. The genetic model presents the granitoids ; biotite muscovite granite, albite granite and granite aplite as products of internal chemical differentiation of a fractionating batholiths where NaO replaces K2O as the system is cooling. This is common to most granite-rare-elements-pegmatites systems all over the world. Fractionation via rare elements accumulations is therefore an exploration tool.
Download or read book Granitic Systems written by O.T. Ramo and published by Elsevier. This book was released on 2005-05-20 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special volume stems from a symposium 'Granitic Systems - State of the Art and Future Avenues' that was held at the Department of Geology, University of Helsinki to mark the retirement of Professor Ilmari Haapala. The twenty articles in the volume cover a wide range of granite-related topics and focus on three general themes: tectonics and source regions, petrologic processes, and fractionated granites and pegmatites. Both original papers and reviews are included, and the volume will be acknowledged by anyone with a background in Earth Sciences ad a flavor for granitoid rocks. * Comprehensive account of the current status of granite-oriented research * Topics ranging from mineralogy, petrology, and geochemistry to tectonics and crustal evolution
Book Synopsis Granitic Pegmatites in Science and Industry by : P. Černý
Download or read book Granitic Pegmatites in Science and Industry written by P. Černý and published by . This book was released on 1982 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Investigations Report by : Sharon E. Kroening
Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Industrial Minerals & Rocks by : Jessica Elzea Kogel
Download or read book Industrial Minerals & Rocks written by Jessica Elzea Kogel and published by SME. This book was released on 2006 with total page 1576 pages. Available in PDF, EPUB and Kindle. Book excerpt: News, Inc., Portland, OR (booknews.com).
Book Synopsis Gemstones and Their Origins by : P.C. Keller
Download or read book Gemstones and Their Origins written by P.C. Keller and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves presents an eloquent chronicle of the Earth's life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth's crust are the rocks. In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones? How do they crystallize? Why do gemstones of the same species, originating from different sources, vary? What causes the occurrence of varieties? Why do diamonds, unlike other precious stones, occur not near the Earth's surface in its crust, but deep down beneath it in the upper mantle? These are only a few of the entrancing subjects discussed in this enlightening volume. The reader learns that the Earth is surprisingly alive and altering constantly-sometimes through slow and equable changes and at times by violent and tremendous cataclysms, events from which gemstones issue.
Book Synopsis Feldspars and their Reactions by : Ian Parsons
Download or read book Feldspars and their Reactions written by Ian Parsons and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Feldspar minerals make up 60% of the crust of the Earth. They are stable in the upper mantle, and are so abundant in the crust that they form the basis of the classification of igneous rocks. At the surface, feldspars weather to form clay minerals which are the most important mineral constituent of soils. The articles in this book review the chemical reactions of feldspars over the whole sweep of pressure and temperature regimes in the outer Earth, and describe the fundamental aspects of crystal structure which underlie their properties. The book covers intracrystalline reactions, such as order-disorder transformations and exsolution, and transfer of stable and radiogenic isotopes, which can be interpreted to provide insights into the thermal history of rocks. It is suitable for final year undergraduates or research workers.
Book Synopsis Pegmatites of the Crystal Mountain District, Larimer County, Colorado by : William Roberts Thurston
Download or read book Pegmatites of the Crystal Mountain District, Larimer County, Colorado written by William Roberts Thurston and published by . This book was released on 1955 with total page 214 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
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