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Geochemical Mapping Of Porphyry Deposits And Associated Alteration Through Transported Overburden
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Book Synopsis Geochemical Mapping of Porphyry Deposits and Associated Alteration Through Transported Overburden by : Shane Daniel Rich
Download or read book Geochemical Mapping of Porphyry Deposits and Associated Alteration Through Transported Overburden written by Shane Daniel Rich and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid-inclusion Petrology by : John Thomas Nash
Download or read book Fluid-inclusion Petrology written by John Thomas Nash and published by . This book was released on 1976 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary of new and published descriptions of fluid inclusions from 36 porphyry copper deposits and discussion of possible applications to exploration for copper deposits.
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 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 An Evaluation of Indicators of Prospectivity and Potential Mapping of Porphyry Deposits in Middle & Southern British Columbia by a GIS Study of Regional Geochemical and Other Geoscientific Data by :
Download or read book An Evaluation of Indicators of Prospectivity and Potential Mapping of Porphyry Deposits in Middle & Southern British Columbia by a GIS Study of Regional Geochemical and Other Geoscientific Data written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geophysics for the Mineral Exploration Geoscientist by : Michael Dentith
Download or read book Geophysics for the Mineral Exploration Geoscientist written by Michael Dentith and published by Cambridge University Press. This book was released on 2014-04-24 with total page 1083 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a balance between principles and practice, this state-of-the-art overview of geophysical methods takes readers from the basic physical phenomena, through the acquisition and processing of data, to the creation of geological models of the subsurface and data interpretation to find hidden mineral deposits. Detailed descriptions of all the commonly used geophysical methods are given, including gravity, magnetic, radiometric, electrical, electromagnetic and seismic methods. Each technique is described in a consistent way and without complex mathematics. Emphasising extraction of maximum geological information from geophysical data, the book also explains petrophysics, data modelling and common interpretation pitfalls. Packed with full-colour figures, also available online, the text is supported by selected examples from around the world, including all the major deposit types. Designed for advanced undergraduate and graduate courses in minerals geoscience, this is also a valuable reference for professionals in the mining industry wishing to make greater use of geophysical methods. In 2015, Dentith and Mudge won the ASEG Lindsay Ingall Memorial Award for their combined effort in promoting geophysics to the wider community with the publication of this title.
Book Synopsis A Global Geochemical Database for Environmental and Resource Management by : IGCP Project 259
Download or read book A Global Geochemical Database for Environmental and Resource Management written by IGCP Project 259 and published by . This book was released on 1995 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book stems from the multi-stage International Geochemical Mapping (IGM), an International Geological Correlation Programme (IGCP) project, to set up a global geochemical database on the distribution and quantities present of all 92 chemical elements in the surface of the earth. A comprehensive review and evaluation of methods for regional and national geochemical mapping and providing a recognized, global quantitative base on which local investigations can be built for particular environmental and economic problems concerning various aspects of land use.
Book Synopsis A Comparison of the Hydrothermal Alteration Systems Around the Mo-hosting White Pine Intrusion, Utah, and the Buckingham Porphyry, Nevada by : Emily Smyk
Download or read book A Comparison of the Hydrothermal Alteration Systems Around the Mo-hosting White Pine Intrusion, Utah, and the Buckingham Porphyry, Nevada written by Emily Smyk and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The White Pine Fork Mo porphyry has an estimated resource of 16 Mt of Mo at 0.1% Mo. The host intrusions are K-feldspar- and quartz-porphyritic monzo- to syeno-granites characterised by LREE enrichment, fractionated HREEs and negative Nb, Ta, Sr and Ti anomalies, consistent with a subarc mantle melt source. The granites also have an adakitic geochemical signature. A U-Pb age for zircon from a clast in the mineralized breccia pipe at White Pine yielded an age of 26.52±0.42 Ma, which falls within the error of the White Pine intrusion age of 26.61±0.24 Ma. Re-Os ages for duplicate samples of the Mo-mineralised quartz breccia are 30.21±0.14 and 29.84±0.15 Ma, which correlate with the age of the Little Cottonwood stock rather than the host intrusion and may represent Re-Os inheritance. In contrast, Buckingham Mo (-Cu) porphyry has an estimated resource of 1,000 Mt of Mo at 0.1% Mo and is hosted in Cretaceous K-feldspar- and quartz-porphyritic granites. Four feldspar- and quartz-porphyritic granites in the area were dated using LA-ICP-MS U-Pb of zircon and yielded ages of 38.68±0.53, 39.28±0.58, 40.76±0.41, and 40.81±0.51 Ma and therefore unrelated to the Buckingham deposit, and instead are correlated with Tertiary magmatism associated with Au skarns in the nearby Battle Mountain district. The Tertiary intrusions are feldspar- and quartz porphyritic granites. Primitive mantle-normalized geochemistry of both suites of intrusive rocks have LREE enrichment, fractionated HREE, negative Nb, Ta and Ti anomalies and a slight enrichment of Zr and Hf, consistent with a subarc mantle source for both suites. The most prominent alteration in both systems is phyllic alteration comprising an assemblage of white micas, quartz and pyrite. Potassic alteration was also observed at the White Pine Fork Mo breccia pipe and kaolinite and chlorite observed in SWIR data suggest advanced argillic alteration around the Buckingham system. These petrographic observations are substantiated by the whole rock geochemistry. The potassic, phyllic, and possible advanced argillic alteration were mapped out by the absolute values of trace elements. The trace element geochemistry of quartz and pyrite can be used to fingerprint deposit types and as vectors towards mineralisation in alteration systems around ore deposits. At White Pine Fork, the hydrothermal quartz is characterised by higher Ti and As than the igneous quartz. The Li content of hydrothermal quartz is greater near the centre of the White Pine Fork deposit than in its margins. At Buckingham, quartz in the breccia cement at the centre of the deposit shows the highest concentration of Al, Li, K, Ca, As, and Sb, and metals (i.e. Cu, Fe, Zn, and Pb), whereas the igneous and sedimentary quartz shows the highest Ti values. The high values indicate that the primary Ti contents were not subjected to recalibration during hydrothermal alteration. The Al and Sb contents of quartz decrease away from the centre of deposit at Buckingham. This trend was not observed at White Pine Fork.
Book Synopsis Geophysics and Geochemistry at the Millenium by : Arnis G. Gubins
Download or read book Geophysics and Geochemistry at the Millenium written by Arnis G. Gubins and published by . This book was released on 1997 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Petrochronology by : Matthew J. Kohn
Download or read book Petrochronology written by Matthew J. Kohn and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-11-05 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Petrochronology is a rapidly emerging branch of Earth science that links time (ages or rates) with specific rock-forming processes and their physical conditions. It is founded in petrology and geochemistry, which define a petrogenetic context or delimit a specific process, to which chronometric data are then linked. This combination informs Earth’s petrogenetic processes better than petrology or geochronology alone. This volume and the accompanying short courses address three broad categories of inquiry. Conceptual approaches chapters include petrologic modeling of multi-component chemical and mineralogic systems, and development of methods that include diffusive alteration of mineral chemistry. Methods chapters address four main analytical techniques, specifically EPMA, LA-ICP-MS, SIMS and TIMS. Mineral-specific chapters explore applications to a wide range of minerals, including zircon (metamorphic, igneous, and detrital/Hadean), baddeleyite, REE minerals (monazite, allanite, xenotime and apatite), titanite, rutile, garnet, and major igneous minerals (olivine, plagioclase and pyroxenes). These applications mainly focus on metamorphic, igneous, or tectonic processes, but additionally elucidate fundamental transdisciplinary progress in addressing mechanisms of crystal growth, the chemical consequences of mineral growth kinetics, and how chemical transport and deformation affect chemically complex mineral composites. Most chapters further recommend areas of future research.
Book Synopsis Evolutionary and Revolutionary Technologies for Mining by : National Research Council
Download or read book Evolutionary and Revolutionary Technologies for Mining written by National Research Council and published by National Academies Press. This book was released on 2002-03-14 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Office of Industrial Technologies (OIT) of the U. S. Department of Energy commissioned the National Research Council (NRC) to undertake a study on required technologies for the Mining Industries of the Future Program to complement information provided to the program by the National Mining Association. Subsequently, the National Institute for Occupational Safety and Health also became a sponsor of this study, and the Statement of Task was expanded to include health and safety. The overall objectives of this study are: (a) to review available information on the U.S. mining industry; (b) to identify critical research and development needs related to the exploration, mining, and processing of coal, minerals, and metals; and (c) to examine the federal contribution to research and development in mining processes.
Author :Andrejs Panteleyev Publisher :Province of British Columbia, Ministry of Energy, Mines and Petroleum Resources ISBN 13 : Total Pages :172 pages Book Rating :4.F/5 ( download)
Book Synopsis Berg Porphyry Copper-molybdenum Deposit by : Andrejs Panteleyev
Download or read book Berg Porphyry Copper-molybdenum Deposit written by Andrejs Panteleyev and published by Province of British Columbia, Ministry of Energy, Mines and Petroleum Resources. This book was released on 1981 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alteration and Geochemical Characteristics of the Upper Parts of Selected Porphyry Systems, Western Nevada by : Donald MacComb Hudson
Download or read book Alteration and Geochemical Characteristics of the Upper Parts of Selected Porphyry Systems, Western Nevada written by Donald MacComb Hudson and published by . This book was released on 1983 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Six areas in western Nevada have characteristics that may be representative of the upper parts of porphyry copper systems. Slight erosion of the Miocene North Carson and Excelsior systems has exposed siliceous (cristobalite-opal), alunitic, argillic, illitic, and alsic-P (pyrophyllite+quartz+diaspore) altered andesites. Most trace elements are depleted in the strong alteration assemblages with some enrichment of Mo and As. Somewhat deeper erosion of the ash-flow tuff-hosted Miocene Rhyolite Pass and the intermediate metavolcanic-hosted Miocene(?) Minnehaha Canyon systems has exposed alunitic, alsic-P, sericitic, and illitic alteration. Most trace elements are depleted but positive anomalies of Cu, Pb, Mo, and As are locally present. Deep erosion of the metavolcanic and plutonic-hosted Jurassic(?) Buckskin and Cretaceous Green Talc systems has exposed alsic-A (andalusite-corundum), alsic-P, sericitic, and potassic alteration. Positive anomalies of Cu, Mo, Pb, and Zn occur at Bucksin; Cu, Mo, and B at Green Talc. Hypersaline (about 40 equiv. wt. % NaCl) boiling fluids with temperatures of 380 to 395°C were present in the potassic zones at Buckskin and Green Talc whereas the fluids at Rhyolite Pass were cooler (250-325°C) and less saline (about 10 equiv. wt. % NaCl). A proposed model for alteration zonation in the upper parts of porphyry copper systems involves SO2, H2S, CO2, HCl, and some alkali metallic chloride complexes partitioning into a magmatic vapor plume rising from the top of the crystallizing porphyry intrusion. During cooling and mixing with meteoric water, SO2 from the ascending and condensing magmatic vapor plume reacts with water to form sulfuric acid, which reacts with the wall rocks to form illitic, sericitic, alsic, and alunitic alteration zones migrating as reaction fronts laterally from major fluid channelways. Gradual collapse of the magmatic vapor plume during the solidification of the porphyry intrusion causes alteration assemblages to encroach downward towards the intrusion with high aH+AK+ assemblages. Hypogene mineralization is weakly developed in the upper portions of the system, since most metals are not partitioned into the magmatic vapor plume and because acid leaching tends to remove metals. Upper parts of porphyry copper systems may share many alteration and geochemical similarities with, and may not be readily distinguishable from, the upper portions of simple meteoric water boiling systems, except where alsic-A or potassic alteration is exposed.
Book Synopsis Mineral Exploration by : Swapan Kumar Haldar
Download or read book Mineral Exploration written by Swapan Kumar Haldar and published by Elsevier. This book was released on 2018-07-14 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mineral Exploration: Principles and Applications, Second Edition, presents an interdisciplinary approach on the full scope of mineral exploration. Everything from grass root discovery, objective base sequential exploration, mining, beneficiation, extraction, economic evaluation, policies and acts, rules and regulations, sustainability, and environmental impacts is covered. Each topic is presented using theoretical approaches that are followed by specific applications that can be used in the field. This new edition features updated references, changes to rules and regulations, and new sections on oil and gas exploration and classification, air-core drilling, and smelting and refining techniques. This book is a key resource for both academics and professionals, offering both practical and applied knowledge in mineral exploration. Offers important updates to the previous edition, including sections on the cyclical nature of mineral industry, exploration for oil and gas, CHIM-electro-geochemical survey, air-core drilling, classification of oil and gas resources, smelting, and refining technologies Presents global case studies that allow readers to quickly apply exploration concepts to real-world scenarios Includes 385 illustrations and photographs to aid the reader in understanding key procedures and applications
Download or read book Economic Geology written by and published by . This book was released on 2000 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Porphyry Deposits of the Northwestern Cordillera of North America by : T. G. Schroeter
Download or read book Porphyry Deposits of the Northwestern Cordillera of North America written by T. G. Schroeter and published by . This book was released on 1995 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mineral Resources by : Manuel Bustillo Revuelta
Download or read book Mineral Resources written by Manuel Bustillo Revuelta and published by Springer. This book was released on 2017-08-23 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive textbook covers all major topics related to the utilization of mineral resources for human activities. It begins with general concepts like definitions of mineral resources, mineral resources and humans, recycling mineral resources, distribution of minerals resources across Earth, and international standards in mining, among others. Then it turns to a classification of mineral resources, covering the main types from a geological standpoint. The exploration of mineral resources is also treated, including geophysical methods of exploration, borehole geophysical logging, geochemical methods, drilling methods, and mineral deposit models in exploration. Further, the book addresses the evaluation of mineral resources, from sampling techniques to the economic evaluation of mining projects (i.e. types and density of sampling, mean grade definition and calculation, Sichel’s estimator, evaluation methods – classical and geostatistical, economic evaluation – NPV, IRR, and PP, estimation of risk, and software for evaluating mineral resources). It subsequently describes key mineral resource exploitation methods (open pit and underground mining) and the mineral processing required to obtain saleable products (crushing, grinding, sizing, ore separation, and concentrate dewatering, also with some text devoted to tailings dams). Lastly, the book discusses the environmental impact of mining, covering all the aspects of this very important topic, from the description of diverse impacts to the environmental impact assessment (EIA), which is essential in modern mining projects.
