Download or read book Pegmatites written by David London and published by . This book was released on 2008 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains all illustrations of volume and PDF of chapters of "Graranitic pegmatites, short course handbook 7" published in 1982, edited by Petr Černý, P.

Download or read book Geology of the Pegmatites and Associated Rocks of Maine written by Edson Sunderland Bastin and published by . This book was released on 1911 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

Download or read book Economic Importance of Pegmatites written by Paul McIntosh Tyler and published by . This book was released on 1950 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Hagendorf Pleystein Province the Center of Pegmatites in an Ensialic Orogen written by Harald G. Dill and published by Springer. This book was released on 2015-10-15 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will broaden readers’ understanding of pegmatites in a special geodynamic setting, dealing with the emplacement of the Hagendorf-Pleystein Pegmatite Province (HPPP) in the Central European Variscides. This treatise illustrates the complex processes leading to the formation and partial destruction of the pegmatites, documenting the geochronological, chemical, mineralogical, geological and geomorphological / sedimentological data set. The book starts with a detailed account of the economic geology of the various pegmatites, explaining why these deposits are a major resource of ceramic raw materials. In its concluding section, a model of the pegmatite evolution in an ensialic orogen provides meaningful insights into the genetic aspects of pegmatite generation. The Late Paleozoic rare-element pegmatites of the HPPP, Oberpfalz-SE, Germany, rank among the largest concentrations in Europe. The biggest pegmatite of this mining district totals 4.4 million tons of ore (Hagendorf-South). The mining history of the HPPP is restricted to the 20th century, when local entrepreneurs started mining operations in search of ceramic raw materials, feldspar and quartz. Today the “Silbergrube Aplite” is still worked for feldspar. The traditional mining of pegmatitic and aplitic rocks in Central Europe, such as the Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been focused on these industrial minerals. In addition to these major commodities, lithium was mined for a period of time. But even today many of these pegmatites of calc-alkaline affiliation have not lost their appeal to mineralogists and mineral enthusiasts for their wealth of minerals that contain P, Nb, Ta, Li, Be, B, U, Th, Sc, Ti and Sn. The most favorable crustal section to bring about pegmatitic rocks of this type, encompassing pegmatoids, metapegmatites, reactivated pseudopegmatites and pegmatites sensu stricto is the ensialic orogen, exemplified by the Variscan (Hercynian) Orogen, which geodynamically connects the Paleozoic pegmatite provinces in North America and Europe. The geological history of the HPPP, however, goes much further than the Carboniferous-Permian magmatic activity, when the last structural disturbances of the Variscan orogeny affected the NE-Bavarian Basement between 450 and 330 Ma. During this time mafic magmatic rocks together with calcareous and arenaceous sediments were converted into paragneisses, calcsilicate rocks, and amphibolites. It is the period of time when tectonic shortening led to over thrusting and when the emplacement of nappes and the architectural elements of the ensialic orogen began taking shape. During the Late Permian, the Mesozoic and the Cenozoic, the HPPP did not lie idle in geological terms; hypogene and supergene alteration continued and found its most recent expression in alluvial-fluvial “nigrine” placer deposits, which resulted from the unroofing of the pegmatites and aplites in the HPPP and can be used even outside HPPP as an ore guide to pegmatites.

Download or read book Archean Rare Metal Pegmatites in Zimbabwe and Western Australia written by Thomas Dittrich and published by Springer. This book was released on 2019-02-13 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium-cesium-tantalum (LCT) pegmatites are important resources for rare metals. For Cs, only the LCT pegmatites with the zeolite group mineral pollucite at Bikita (Zimbabwe Craton) and Tanco (Superior Province Craton) are of commercial importance. Common characteristics of world-class LCT pegmatite deposits include their Meso- to Neoarchean age and geological setting within greenstone belt lithologies on Archean Cratons. This study presents the first coherent and comparative scientific investigation of five major LCT pegmatite systems from the Yilgarn, Pilbara and Zimbabwe Craton. For the evaluation of their Cs potential and of the genetic concepts of pollucite formation, the pegmatites from Wodgina, Londonderry, Mount Deans and Cattlin Creek were compared to the Bikita pollucite mineralization. The integration of the new data (e.g., geochronological and radiogenic isotope data) into the complex geological framework: 1) enhances our knowledge of the formation of LCT pegmatite systems, and 2) will contribute to the further exploration of additional world-class LCT pegmatite deposits, which 3) may host massive pollucite mineralisations.

Download or read book Brown Derby Pegmatites Gunnison County Colo written by Russell R. McLellan and published by . This book was released on 1956 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Collector s Guide to Granite Pegmatites written by Vandall T. King and published by Schiffer Pub Limited. This book was released on 2010 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Granite pegmatite crystals have long been admired by gem and mineral collectors as a source of fine specimens and gem materials. Pegmatites can host important deposits of ore minerals and industrial commodities, such as feldspar and mica. Their physical and chemical complexity presents daunting challenges to researchers who seek to better understand their nature and origins. With 209 stunning color photos and clear, authoritative text, this book provides a thorough discussion. Chapters cover pegmatite forms and distributions, interior structures, crystal, mineral, and gem pockets, and references for further study. Examples are from North America as well as worldwide.

Download or read book A Text Book Of Geology written by P.C. Rao & D.B. Rao and published by Discovery Publishing House. This book was released on 2010 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Introduction, Origin of the Earth, Age of the Earth, Interior of the Earth, Interior of the Earth, The Continents and Mountains, Isostasy, Theory of Plate Tectonics, Evolution of Landforms, Volcanoes, Earthquakes, Weathering, Soils, The Study of Rocks, Mineralogy, Structural Geology.

Download or read book Source Book in Geology 1900 1950 written by Kirtley Fletcher Mather and published by Harvard University Press. This book was released on 1967 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, find source literature for the most important contributions to the remarkable recent expansion of geological knowledge. Excerpted are 65 articles on topics including the constitution of Earth's interior, earthquakes, radioactive timekeepers, submarine features and deep-sea cores, entrapment of petroleum, and crystal structure.

Download or read book Geochemical Methods of Prospecting for Non Metallic Minerals written by Igor' L. Komov and published by VSP. This book was released on 1994-01-01 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geochemical methods of prospecting for and evaluation of minerals are applied widely today at all stages of geological exploration. However, geochemical methods of prospecting for many classes of non-metallic minerals have not been elaborated. This book is a completely revised, updated and expanded edition of the publication by the same authors, which was published in 1987. The contains a collection the latest data on geochemical prospecting for non-metals, which is valuable in view of the anticipated increase of consumption and utilization of non-metallic minerals in the future. The information on various types of raw material is presented in the following sequence: 1) general data (genetic types, conditions of formation, geological prospecting indications); 2) indicator minerals and elements; 3) geochemical methods of prospecting along dispersion trains and haloes, plus hydrogeochemical and geobotanical methods; 4) primary endogenic haloes; 5) vertical geochemical zonality; 6) methods, stages and sequence of work.

Download or read book The Third Hutton Symposium on the Origin of Granites and Related Rocks written by M. Brown and published by Geological Society of America. This book was released on 1996-01-01 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by and published by . This book was released on 1949 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1969 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Bulletin written by and published by . This book was released on 1966 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geology of the Adam Weiss Peak Quadrangle Hot Springs and Park Counties Wyoming written by Willis L. Rohrer and published by . This book was released on 1966 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Late Cretaceous and Cenozoic geology with emphasis on the Enos Creek detachment thrust fault.

Download or read book Ore bearing Granite Systems written by Holly J. Stein and published by Geological Society of America. This book was released on 1990-01-01 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: