Indexation 553 : Géologie économique. Minérographie. Minéraux. Formation et gisements de minerais
553.7 Sources minéralesOuvrages de la bibliothèque en indexation 553 (243)
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Antonio Arribas, Auteur ; Isabel Arribas, Auteur ; Grenville Draper, Auteur |New 40Ar/39Ar ages for alunite from the Moore and Monte Negro deposits in the Pueblo Viejo district, as well as from a newly discovered alunite-bearing zone on Loma la Cuaba west of the known deposits, are reported here. The ages range from abou[...]
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Nicoleta Minoiu Enache, Auteur ; Saïd Mammar, Auteur ; Benoit Lusetti, Auteur |Single-vehicle road departure accidents represent a substantial amount of today's accidents. This paper presents the design and experimental test of an active steering assistance system that offers two functions: lane departure avoidance by temp[...]
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Ming-Feng Hsieh, Auteur ; Wang, Junmin, Auteur |This paper presents an adaptive urea-SCR dosing control design for a two-catalyst SCR system. A novel SCR ammonia storage distribution control (ASDC) approach aiming to simultaneously increase the SCR NOx conversion efficiency and reduce the tai[...]
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Honorine Angue-Mintsa, Auteur ; Ravinder Venugopal, Auteur ; Jean-Pierre Kenné, Auteur |Electrohydraulic servo systems (EHSS) are used for several engineering applications, and in particular, for efficient handling of heavy loads. These systems are characterized by pronounced nonlinearities and are also subject to parameter variati[...]
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James K. Mortensen, Auteur ; David Craw, Auteur ; Douglas J. MacKenzie, Auteur |The Otago Schist belt of southern New Zealand hosts numerous orogenic gold deposits that formed in a range of structural and lithological settings during and after Mesozoic metamorphism. Previous 40Ar/39Ar dating studies in the Otago Schist belt[...]
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Frank C. Ramos, Auteur ; Philip E. Rosenberg, Auteur |Sm-Nd, Pb, and Sr isotope and rare-earth element (REE) analyses of quartz-carbonate veins associated with the Coeur d’Alene mining district, Idaho and western Montana, constrain the age and origin of Coeur d’Alene veining. An Sm-Nd isochron age [...]
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Peter Vikre, Auteur ; Quentin J. Browne, Auteur ; Robert Fleck, Auteur |The Goodsprings district, Clark County, Nevada, includes zinc-dominant carbonate replacement deposits of probable late Paleozoic age, and lead-dominant carbonate replacement deposits, copper ± precious metal-platinum group element (PGE) deposits[...]
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Michael J. Mengason, Auteur ; Philip M. Piccoli, Auteur ; Philip Candela, Auteur |Pyrrhotite is commonly used to estimate the fugacity of sulfur in natural and experimental systems; however, in some instances, high-temperature pyrrhotites can incorporate copper to such an extent as to raise questions concerning the accuracy o[...]
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D. A. Holwell, Auteur ; D. Selby, Auteur ; A. J. Boyce, Auteur |The Kangerlussuaq Alkaline Complex, East Greenland, is one of the largest alkaline complexes in the world. It is known to host a number of occurrences of base and precious metal mineralization, including the Flammefjeld porphyry Mo deposits and [...]
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Chia-Hua Lu, Auteur ; Yean-Ren Hwang, Auteur ; Yu-Ta Shen, Auteur |Air motors have often been utilized in industrial servo systems in the automation industry due to their advantages such as small volume, low cost, light weight, convenience of operation, and no overheating problems. Recently, the development of [...]
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Alexis Lambeck, Auteur ; Terrence P. Mernagh, Auteur ; Lesley Wyborn, Auteur |Paleoproterozoic rocks with ages from 2100 to 1800 Ma are recognized as belonging to one of the three main periods in Earth history that host orogenic gold deposits. In contrast to older Archean orogenic gold deposits, which are hosted predomina[...]
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Paul A. Lusty, Auteur ; Jon Naden, Auteur ; John J. Bouch, Auteur |The Bohaun gold deposit in County Galway, western Ireland, is located in the Caledonian orogenic belt, proximal to a major accretionary boundary. The mineralization is hosted in a normal extensional fault, representing a zone of repeated extensi[...]
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Patrick Opdenbosch, Auteur ; Nader Sadegh, Auteur ; Wayne Book, Auteur |This paper describes a novel learning/adaptive state trajectory control method and its application to electronic hydraulic pressure control. The control algorithm presented herein learns the inverse input-state mapping of the plant at the same t[...]
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Ping Shen, Auteur ; Yuanchao Shen, Auteur ; Hongdi Pan, Auteur |Baogutu is the first porphyry Cu-Mo-Au deposit discovered in West Junggar, Xinjiang, China. It is part of the Central Asian orogenic belt. Baogutu is associated with a Carboniferous intrusive complex that was emplaced into lower Carboniferous vo[...]
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S. R. Beyer, Auteur ; K. Kyser, Auteur ; E. E. Hiatt, Auteur |The Paleoproterozoic Otish Basin, Quebec, hosts several uranium prospects that until recently remained underexplored and poorly understood. In this study, the Camie River U prospect, which shows similar characteristics to high-grade unconformity[...]
