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Structural Control of Mineral Deposits
"Structural Control” remains a crucial point that frequently lacks in any scientific and/or economic analysis of ore deposits, whatever their type and class. The case of lode deposits is exemplary, although also other deposits, like breccia pipe, stockwerk, massive sulphides, skarn, etc., can, surprisingly, be concerned. Several concepts like the gold-bearing shear zone have not proven valid during the last few decades in terms of our understanding of gold deposit and have been totally abandoned. Additionally, the relationships between magmatism, regional tectonic context, and mineralization remain uncertain and have been debated in several recent publications. This demonstrates that this ...
Evolution of the Pyrenees During the Variscan and Alpine Cycles, Volume 1
Evolution of the Pyrenees during the Variscan and Alpine Cycles 1 presents the evolution of geological knowledge of the Pyrenees as a result of major scientific research programs in the early 21st century. This book, dedicated to the Variscan cycle and Cretaceous rifting, traces the evolution of the Pyrenean domain between 340 Ma and 90 Ma. It begins with an analysis of the state of knowledge of the Pyrenean basement, whose structure is inherited from the Variscan evolution of this domain. It then traces the kinematic evolution of the western Mediterranean domain since the Paleozoic. Finally, it discusses the evolution of our knowledge of Cretaceous rifting and the sedimentary and metasomatic processes associated with the individualization of the Iberian–Eurasian plate boundary.
Chapitre 2 - Structure et texture des minéralisations Pb-Zn dans la zone axiale des Pyrénées
Cette étude donne un nouvel aperçu des minéralisations à métaux de base pouvant contenir des concentrations en métaux critiques comme le germanium associé à la sphalérite, dans la Zone Axiale des Pyrénées. La caractérisation de ces minéralisations se compose d’une analyse de données de terrains ainsi que d’une comparaison texturale et chimique des deux types majeurs de sphalérite. Mots-clés : métaux de base, métaux critiques, sphalérite, Orogenèse varisque, Pyrénées. DOI : 10.51926/ISTE.9124.ch2
Évolution des Pyrénées au cours du cycle varisque et du cycle alpin 1
Évolution des Pyrénées au cours du cycle varisque et du cycle alpin présente l’évolution des connaissances géologiques pyrénéennes découlant de grands programmes de recherche scientifique du début du XXIe siècle. Cet ouvrage, consacré au cycle varisque et au rifting crétacé, retrace l’évolution du domaine pyrénéen entre 340 Ma et 90 Ma. Il analyse, dans un premier temps, l’état des connaissances du socle des Pyrénées dont la structuration est héritée de l’évolution varisque de ce domaine. Puis il retrace l’évolution cinématique, depuis le Paléozoïque, du domaine méditerranéen occidental. Il traite enfin de l’évolution des connaissances sur le rifting crétacé et les processus sédimentaires et métasomatiques associés à l’individualisation de la limite de plaque Ibérie-Eurasie.
Minerals Yearbook
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Minerals Yearbook, 2010, V. 3, Area Reports, International, Africa and the Middle East
The Minerals Yearbook is an annual publication that reviews the mineral and material industries of the United States and foreign countries. The Yearbook contains statistical data on materials and minerals and includes information on economic and technical trends and development. The Minerals Yearbook includes chapters on approximately 90 commodities and over 175 countries. This volume of the Minerals Yearbook provides an annual review of mineral production and trade and of mineral-related government and industry developments in more than 175 foreign countries. Each report includes sections on government policies and programs, environmental issues, trade and production data, industry structure and ownership, commodity sector developments, infrastructure, and a summary outlook.
