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Genetic And Exploration Models For The Florida Canyon Au Deposit Nevada
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Book Synopsis Genetic and Exploration Models for the Florida Canyon Au Deposit, Nevada by : Abani Ranjan Samal
Download or read book Genetic and Exploration Models for the Florida Canyon Au Deposit, Nevada written by Abani Ranjan Samal and published by . This book was released on 2007 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Florida Canyon gold deposit is a large, low-sulfidation (LS), epithermal deposit with low-grade, disseminated mineralization in Pershing County, Nevada. Unlike most other LS deposits in the region, mineralization at Florida Canyon is hosted by sedimentary rocks and lacks an association with coeval igneous intrusives. An investigation of the origin of the deposit revealed that the deposit formed in three main stages. Early quartz-adularia-sulfide-gold stockwork bodies formed at 5.0 to 4.5 Ma from meteoric water that had isotopically exchanged with and leached metals and sulfur from a package of sedimentary and volcanic rocks hosting the deposit. Mineral deposition likely happened at 150 to 200ĚŠ C from episodically boiling fluids. Oxidizing, acid-sulfate steam-heated alteration developed between 3.4 and 1.8 Ma overprinted the stockwork bodies but did not result in detectable gold enrichment. Within the last ~1 Ma weathering overprinted the deposit producing widespread hematite-goethite alteration. The origin of the deposit is closely related to the kinematic history of the range front fault system along which the deposit is located and possibly to changes in the paleoclimate regime. Moreover, it represents an older expression of a long-lived (~5 Ma) hydrothermal system that is presently manifested by the Humboldt House geothermal field located adjacent to this deposit. A second phase of this study used contour maps of gold (Au) concentration developed with a geographic information system (GIS), and variogram maps to identify and map linear trends of high gold values in the Florida Canyon gold deposit. These linear trends are interpreted to represent fault zones that exerted a strong control on gold mineralization and therefore imparted a spatial anisotropy to gold concentrations. The results suggest linear trends of northeast, northwest and, less prominently, north-south orientations. A third aspect of the study used a multivariate regression-based statistical modeling technique to develop a quadratic model to quantitatively predict Au concentration from the known concentrations of pathfinder elements. The proposed statistical approach may be utilized in mineral exploration programs to predict gold concentrations in under-sampled areas of a deposit, optimize the number of pathfinder elements required for the efficient detection of the element of interest, and evaluate geochemical data sets generated by different laboratories or analytical techniques.
Author :Geological Society of Nevada. Symposium Publisher :DEStech Publications, Inc ISBN 13 :1605950408 Total Pages :601 pages Book Rating :4.6/5 (59 download)
Book Synopsis Great Basin Evolution and Metallogeny by : Geological Society of Nevada. Symposium
Download or read book Great Basin Evolution and Metallogeny written by Geological Society of Nevada. Symposium and published by DEStech Publications, Inc. This book was released on 2011 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis United States Geological Survey Yearbook by : Geological Survey (U.S.)
Download or read book United States Geological Survey Yearbook written by Geological Survey (U.S.) and published by . This book was released on 1985 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geology and Ore Deposits of the American Cordillera by : Geological Society of Nevada
Download or read book Geology and Ore Deposits of the American Cordillera written by Geological Society of Nevada and published by . This book was released on 1996 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gold in 2000 by : Steffen Gerd Hagemann
Download or read book Gold in 2000 written by Steffen Gerd Hagemann and published by . This book was released on 2000 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1984 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Symposium 2005 by : Geological Society of Nevada. Symposium
Download or read book Symposium 2005 written by Geological Society of Nevada. Symposium and published by . This book was released on 2005 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM includes the symposium proceedings.
Book Synopsis Bulk Mineable Precious Metal Deposits of the Western United States by : Robert W. Schafer
Download or read book Bulk Mineable Precious Metal Deposits of the Western United States written by Robert W. Schafer and published by . This book was released on 1988 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Investigations Report by : S. S. Sumioka
Download or read book Scientific Investigations Report written by S. S. Sumioka and published by . This book was released on 2004 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preliminary Determination of Epicenters by :
Download or read book Preliminary Determination of Epicenters written by and published by . This book was released on 2006 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Petroleum Abstracts written by and published by . This book was released on 1992 with total page 1716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding Mineral Deposits by : Kula Misra
Download or read book Understanding Mineral Deposits written by Kula Misra and published by Springer Science & Business Media. This book was released on 2000 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2001 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geology of Titanium-mineral Deposits by : Eric R. Force
Download or read book Geology of Titanium-mineral Deposits written by Eric R. Force and published by Geological Society of America. This book was released on 1991 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: An integrated reference on the economic geology of titanium that covers all the basic processes of formation of titanium-mineral deposits, organized along the lines of a geochemical cycle of titanium in order to facilitate the description of linkages among deposit types. Annotation copyright Book Ne
Book Synopsis Introduction to Mineral Exploration by : Charles Moon
Download or read book Introduction to Mineral Exploration written by Charles Moon and published by Wiley-Blackwell. This book was released on 2006-01-23 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, up dated edition of Introduction to Mineral Exploration provides a comprehensive overview of all aspects of mineral exploration. Covers not only the nature of mineral exploration but also considers other factors essential to successful exploration, from target evaluation to feasibility studies for extraction and production. Includes six detailed case studies, selected for the range of different problems and considerations they present to the mineral explorationist. Features new chapters on handling mineral exploration data and a new case study on the exploration for diamonds. Essential reading for upper level undergraduates studying ore geology, mineral exploration, mining geology, coal exploration, and industrial minerals, as well as professional geologists. Artwork from the book is available to instructors online at www.blackwellpublishing.com/moon.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1980 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
