Periodico di Mineralogia Vol. 84, 3B (Special Issue), December, 2015 PDF Download

Author: Eugenio Fazio
Publisher: Edizioni Nuova Cultura
ISBN: 8868125935
Category : Science
Languages : en
Pages : 250

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CONTENTS Omar Bartoli, Antonio Acosta-Vigil and Bernardo Cesare High-temperature metamorphism and crustal melting: working with melt inclusions Igor M. Villa 39Ar-40Ar geochronology of mono- and polymetamorphic basements Antonio Langone and Massimo Tiepolo U-Th-Pb “multi-phase” approach to the study of crystalline basement: application to the northernmost sector of the Ivrea-Verbano Zone (Alps) Gabriele Cruciani, Chiara Montomoli, Rodolfo Carosi, Marcello Franceschelli and Mariano Puxeddu Continental collision from two perspectives: a review of Variscan metamorphism and deformation in northern Sardinia Rosolino Cirrincione, Eugenio Fazio, Patrizia Fiannacca, Gaetano Ortolano, Antonino Pezzino and Rosalda Punturo The Calabria-Peloritani Orogen, a composite terrane in Central Mediterranean; its overall architecture and geodynamic significance for a pre-Alpine scenario around the Tethyan basin Gisella Rebay, Maria Pia Riccardi and Maria Iole Spalla Fluid rock interactions as recorded by Cl-rich amphiboles from continental and oceanic crust of italian orogenic belts Guido Gosso, Gisella Rebay, Manuel Roda, Maria Iole Spalla, Massimo Tarallo, Davide Zanoni and Michele Zucali Taking advantage of petrostructural heterogeneities in subduction-collisional orogens, and effect on the scale of analysis

Author: Mauro Francesco La Russa
Publisher: Edizioni Nuova Cultura
ISBN: 8868125927
Category : Reference
Languages : id
Pages : 208

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Amir-hossein Karimy and Parviz Holakooei Analytical studies leading to the identification of the pigments used in the Pīr-i Hamza Sabzpūsh Tomb in Abarqū, Iran: a reappraisal Giuseppe Capobianco, Silvia Serranti, Giuseppe Bonifazi and Fernanda Prestileo Hyperspectral imaging-based approach for the in-situ characterization of ancient Roman wall paintings Omid Oudbashi and Atefeh Shekofteh Chemical and microstructural analysis of some Achaemenian silver alloy artefacts from Hamedan, western Iran Ombretta Cocco, Maura Carboni, Gianfranco Carcangiu, Paola Meloni, Arianna Murru, Franca Persia and Laura Solla Crime Art on the stone: graffiti vandalism on cultural heritage and the anti-graffiti role in its surfaces protection Laura Solla, Paola Meloni, Ulrico Umberto Maria Sanna, Gianfranco Carcangiu and Ombretta Cocco Pigments and materials across Sardinia’s walls: contribution on the Tomba dei Pesci e delle Spighe in Cagliari Simone Cagno, Peter Cosyns, Andrea Ceglia, Karin Nys and Koen Janssens The use of vitrum obsianum in the Roman Empire: some new insights and future prospects Andrea Macchia, Stella Nunziante Cesaro, Yeghis Keheyan, Silvestro Antonio Ruffolo and Mauro Francesco La Russa White zinc in linseed oil paintings: chemical, mechanical and aesthetic aspects Domenico Miriello, Fabrizio Antonelli, Carmine Apollaro, Andrea Bloise, Nicolò Bruno, Manuela Catalano, Stefano Columbu, Gino Mirocle Crisci, Raffaella De Luca, Marco Lezzerini, Stefania Mancuso and Antonio La Marca A petro-chemical study of ancient mortars from the archaeological site of Kyme (Turkey) David Martín Freire-Lista, Luz Stella Gomez-Villalba and Rafael Fort Microcracking of granite feldspar during thermal artificial processes Beatriz Cámara, Monica Alvarez de Buergo, Rafael Fort, Virginia Souza-Egipsy, Sergio Perez-Ortega, Asuncion de los Rios, Jacek Wierzchos and Carmen Ascaso Anthropic effect on the lichen colonization in building stones from cultural heritage Mauro Francesco La Russa, Silvestro Antonio Ruffolo, Michela Ricca, Natalia Rovella, Valeria Comite, Monica Alvarez de Buergo, Donatella Barca and Gino Mirocle Crisci Archaeometric approach for the study of mortars from the underwater archaeological site of Baia (Naples) Italy: Preliminary results Maria Francesca Alberghina, Rosita Barraco, Maria Brai, Dorotea Fontana and Luigi Tranchina LIBS and XRF analysis for a stratigraphic study of pictorial multilayer surfaces

Author: Michel Moullade
Publisher: Elsevier Science & Technology
ISBN:
Category : Science
Languages : en
Pages : 448

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Hardbound. This first volume in The Phanerozoic Geology of the World series devoted to the Palaeozoic is an assemblage of contributions dealing mainly with fragments of the former Gondwana. Data is included which is not readily available elsewhere. Each chapter contains a comprehensive bibliography to serve as a resource base for more detailed study.

Author: J.L. Smellie
Publisher: Geological Society of London
ISBN: 178620536X
Category : Science
Languages : en
Pages : 802

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This memoir is the first to review all of Antarctica’s volcanism between 200 million years ago and the Present. The region is still volcanically active. The volume is an amalgamation of in-depth syntheses, which are presented within distinctly different tectonic settings. Each is described in terms of (1) the volcanology and eruptive palaeoenvironments; (2) petrology and origin of magma; and (3) active volcanism, including tephrochronology. Important volcanic episodes include: astonishingly voluminous mafic and felsic volcanic deposits associated with the Jurassic break-up of Gondwana; the construction and progressive demise of a major Jurassic to Present continental arc, including back-arc alkaline basalts and volcanism in a young ensialic marginal basin; Miocene to Pleistocene mafic volcanism associated with post-subduction slab-window formation; numerous Neogene alkaline volcanoes, including the massive Erebus volcano and its persistent phonolitic lava lake, that are widely distributed within and adjacent to one of the world’s major zones of lithospheric extension (the West Antarctic Rift System); and very young ultrapotassic volcanism erupted subglacially and forming a world-wide type example (Gaussberg).

Author: Iain S. Stewart
Publisher: Geological Society of London
ISBN: 9781862390249
Category : Nature
Languages : en
Pages : 390

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Author: Gilberto Artioli
Publisher: Emu Notes in Mineralogy
ISBN: 9780903056618
Category : Science
Languages : en
Pages : 462

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The chapters contributed to this book recognize the important and diverse contributions of mineralogy to the valorization, characterization, interpretation and conservation of cultural heritage. The book focuses on examples of materials and methodological issues rather than technical/analytical details.

Author: Paolo Billi
Publisher: Springer
ISBN: 9401780269
Category : Science
Languages : en
Pages : 384

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This book provides a succinct but comprehensive presentation of key geomorphological locations and topics including information about geomorphological heritage and maps to visit the most important sites. Apart from often being remarkably scenic, landscapes reveal stories that often can be traced back in time tens of million years and include unique events. This is particularly true for Ethiopia where spectacular examples of different landforms are present. Its geomorphology varies from highlands, marked by high volcanoes and incised by deep river gorges, to the rift valley lakes endorheic systems and the below sea level lowlands with characteristic landscapes which are unique in the world. Landscapes and Landforms of Ethiopia highlights all these topics including essential information about geology and tectonic framework, past and present climate, hydrology, geographical regions and long-term geomorphological history. It is a highly informative book, providing insight for readers with an interest in geography and geomorphology.

Author: Bhagwanjee Jha
Publisher: Springer
ISBN: 9811014043
Category : Technology & Engineering
Languages : en
Pages : 233

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This book presents a thorough review of the state-of-knowledge and recent innovations in the synthesis of pure and improved grades of fly ash zeolites (FAZ). Addressing improvements to conventional methods, it also showcases a novel technique for the synthesis of high cation exchangers from fly ash and detailed characterization techniques for the products obtained. In addition, it examines in detail various areas of specific applications of fly ash zeolites. Over the years, several methods such as hydrothermal, fusion prior to hydrothermal, microwave assisted hydrothermal and molten salt techniques for producing FAZ have been developed. However, one-step and two-step reactions between the fly ash and alkali usually generate alkaline wastes that may cause environmental contamination. In addition, the separation of FAZ from the partially activated fly ash (the impurities) remains a major concern for researchers and industrialists alike. /divIn view of these challenges, this book presents a novel technique for three-step activation (TSA), which focuses on recycling the fly ash-NaOH-water reaction by-products until zeolitic residue is formed. The FAZ (the final residue after third step reactions) synthesized in this manner exhibits exceptionally high cation exchange capacity, specific surface area and pore area. This book offers a comprehensive compendium of reading material on fly ash and its recycled product, the zeolites. Students at both undergraduate and graduate levels, researchers, and practicing engineers will all find this book to be a valuable guide in their respective fields.

Author: K. J. Schulz
Publisher: Geological Survey
ISBN: 9781411339910
Category : Industrial minerals
Languages : en
Pages : 868

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Book Description
As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent reliant on foreign sources for 20 mineral commodities and imports the majority of its supply of more than 50 mineral commodities. Mineral commodities that have important uses and face potential supply disruption are critical to American economic and national security. However, a mineral commodity's importance and the nature of its supply chain can change with time; a mineral commodity that may not have been considered critical 25 years ago may be critical today, and one considered critical today may not be so in the future. The U.S. Geological Survey has produced this volume to describe a select group of mineral commodities currently critical to our economy and security. For each mineral commodity covered, the authors provide a comprehensive look at (1) the commodity's use; (2) the geology and global distribution of the mineral deposit types that account for the present and possible future supply of the commodity; (3) the current status of production, reserves, and resources in the United States and globally; and (4) environmental considerations related to the commodity's production from different types of mineral deposits. The volume describes U.S. critical mineral resources in a global context, for no country can be self-sufficient for all its mineral commodity needs, and the United States will always rely on global mineral commodity supply chains. This volume provides the scientific understanding of critical mineral resources required for informed decisionmaking by those responsible for ensuring that the United States has a secure and sustainable supply of mineral commodities.

Author: B. Vinoth Kumar
Publisher: Anchor Academic Publishing
ISBN: 3960676557
Category : Computers
Languages : en
Pages : 66

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The Floating Point Multiplier is a wide variety for increasing accuracy, high speed and high performance in reducing delay, area and power consumption. The floating point is used for algorithms of Digital Signal Processing and Graphics. Many floating point multipliers are used to reduce the area that perform in both the single precision and the double precision in multiplication, addition and subtraction. Here, the scientific notations sign bit, mantissa and exponent are used. The real numbers are divided into two components: fixed component of significant range (lack of dynamic range) and exponential component in floating point (largest dynamic range). The authors convert decimal to floating point and normalize the exponent part and rounding operation to reduce latency. The mantissa of two values are multiplied and the exponent part is added. The sign results with exclusive-or are obtained. Then, the final result of shift and add floating point multiplier is compared with booth multiplication.