Igneous rocks

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  • The first version of this text was written to serve as lecture notes for a first term geology course in “Minerals and Rocks” at Aarhus Universityin Denmarkin 2003. In Aarhus this course is accompanied by a general “Introduction to Geology” course that presents, for example, the structure of the Earth, plate tectonics and paleontology. These topics are therefore not treated here, and some knowledge of the Earth´s structure and plate tectonicsis assumed.

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  • 4-5 Rocky Earth 6-7 A volcanic beginning 8-9 Making of a rock 10-11 Igneous rock 12-13 Sedimentary rock 14-15 Metamorphic rock 16-17 Rocks from space 18-19 Hidden beauty 20-21 Breakdown 22-23 Carving a path 24-25 Crystals 26-27 What a gem! Written and edited by Caroline Bingham Designed by Helen Chapman Publishing manager Susan Leonard Managing art editor Clare Shedden Jacket design Chris Drew Picture researcher Sarah Stewart-Richardson Production Shivani Pandey DTP Designer Almudena Díaz Consultant Kim Dennis-Bryan PhD, FZS With thanks to Victoria Long for design assistance.

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  • -Ðá macma (igneous rocks) được xem là nguồn cội của các đá khác. -Tên gọi xuất phát từ tiếng Lating (Ignis) nghĩa là lửa - Đá macma là loại đá rất cứng, gồm nhiều loại: đá granit, đá badan… Cấu tạo khối đồng chất : Là...

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  • Elsevier Butterworth-Heinemann Linacre House, Jordan Hill, Oxford OX2 8DP 200 Wheeler Road, Burlington MA 01803 First published by Pergamon Press 1988 Second edition 1995 Reprinted 1999 Third edition 2004 Copyright © Richard J. Lisle 1995, 2004. All rights reserved The right of Richard J. Lisle to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988 aining Permissions.

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  • The Geological Field Guide Series The Field Description of Metamorphic Rocks, Norman Fry The Mapping of Geological Structures, Ken McClay Field Geophysics, Fourth edition John Milsom The Field Description of Igneous Rocks, Second edition Dougal Jerram and Nick Petford Sedimentary Rocks in the Field, Fourth edition Maurice Tucker

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  • Introduction Because of its high reactivity, lithium metal is not found in its native state. The main sources of lithium are brine wells when subjected to evaporation as well as igneous rocks such as spodumine, lepidolite, and petalite. The name lithium comes from the Greek word ‘lithos’ meaning stone. Its discovery is generally attributed to Johan A. Arfvedson, who first identified it in 1817. Lithium metal was isolated by Sir Humphrey Davy and William Thomas Brande, and R. W. E. Bunsen and A. Maththiessen, in 1855 by the electrolysis of lithium chloride. ...

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  • Earth Science is made up of many different areas of geological study. Since the Earth contains everything from clouds (meteorology) and oceans (marine biology) to fossils (paleontology) and earthquakes (geology/plate tectonics), there is a lot to choose from!

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  • Tham khảo sách 'conservation of building and decorative stone_1', kỹ thuật - công nghệ, kiến trúc - xây dựng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • In presenting this book, John Ashurst and I have many people to thank, particularly Ian Bristow for his admirable introduction to the subject of conservation on which successive contributors have built; and David Honeyborne, whose name has long been associated with pioneering work in the field of stone weathering. Many others are owed much, and it is a debt which cannot adequately be repaid. For my part I must thank John Ashurst, first and foremost for the constant aid and encouragement he has given.

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  • Petrology, New Perspectives and Applications is designed for advanced graduate courses and professionals in petrology. The book includes eight chapters that are focused on the recent advances and application of modern petrologic and geochemical methods for the understanding of igneous, metamorphic and even sedimentary rocks. Research studies contained in this volume provide an overview of application of modern petrologic techniques to rocks of diverse origins.

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  • Although phosphate rock and potash are used as raw materials for a wide range of applications, the most important use by far is the manufacture of mineral fertilizers. The primary source of these minerals is geological ore deposits formed through past sedimentary or igneous activities. In the case of potash, concentrated brines are also a significant source. This chapter provides a brief overview of the major activities involved in the mining, handling and benefi- ciation of phosphate rock and potash ore....

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  • Phuoc  Hiep  corundum  occurrence  has  been  discovered  recently  in  the  Central  part    of  Vietnam  (Quang  Nam  Province).  Common  protoliths  in  the  region  are  high‐grade  metamorphic  rocks (typically of amphibolite‐granulite facies), such as garnet‐bearing amphibolites, gneisses and  schists, intruded by igneous formations of different composition and age. To date, the rubies and  fancy sapphires have been found in secondary, mostly alluvial deposits.

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  • Beneficiation (or concentration) processes are gener- ally used to upgrade the phosphate content by removing contaminants and barren material prior to further processing. A few ores are of sufficiently high quality to require no further concentration. The natu- rally occurring impurities contained in phosphate rock ore depend heavily on the type of deposit (sedi- mentary or igneous), associated minerals, and the extent of weathering. Major impurities can include organic matter, clay and other fines, siliceous material, carbonates, and iron bearing minerals.

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