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Petrogenesis of the Flood-Basalt Sequence at Noril'sk, North Central Siberia
The 3500-m-thick sequence of volcanic rocks at Noril'sk, formed during a brief interval (∼1 m.y.) at the Permian/Triassic time boundary (∼251 Ma), represents the earliest part of the ∼6500-m-thickExpand
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Remobilisation of the continental lithosphere by a mantle plume: major-, trace-element, and Sr-, Nd-, and Pb-isotope evidence from picritic and tholeiitic lavas of the Noril'sk District, Siberian
The Late Permian to Early Triassic Siberian Traps have been sampled by drill core (core SG-9) and from surface exposure (section 1F) in the Noril'sk region of the Siberian Platform, Russia. CombinedExpand
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Siderophile and Chalcophile Metal Variations in Flood Basalts from the Siberian Trap, Noril’sk Region: Implications for the Origin of the Ni-Cu-PGE Sulfide Ores
The Talnakh, Kharaelakh, and Noril’sk I intrusions of the Noril’sk region are coeval with the Permo-Triassic Siberian trap flood basalt and contain one of the largest known resources of Ni-, Cu-, andExpand
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Origin of Deccan Trap lavas: evidence from combined trace element and Sr-, Nd- and Pb-isotope studies
Abstract Geochemical and isotope results are presented from a new study of the most southern basalts in the Deccan Trap, India. Three chemical formations are recognised, two of which can beExpand
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Siderophile and chalcophile metals as tracers of the evolution of the Siberian Trap in the Noril'sk region, Russia
Abstract In this study Cu, Ni, and platinum-group elements (PGE) were determined in a sequence of basaltic and picritic lavas from the Siberian Trap in the Noril'sk area of Russia to constrainExpand
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Contrasting Petrological and Geochemical Relationships in the Voisey’s Bay and Mushuau Intrusions, Labrador, Canada: Implications for Ore Genesis
New data on the Voisey’s Bay and Mushuau intrusions indicate that the two bodies, which were formerly grouped as the Reid Brook Complex, differ markedly in age, petrology, geochemistry, and the scaleExpand
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Formation of magmatic nickel-sulfide ore deposits and processses affecting their copper and platinum-group element contents
Nickel-copper sulfide ore deposits are found at the base of mafic and ultramafic bodies. All their host rocks, except the Sudbury Igneous Complex, are thought to be mantle derived melts. The SudburyExpand
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Geochemistry of the Siberian Trap of the Noril'sk area, USSR, with implications for the relative contributions of crust and mantle to flood basalt magmatism
The sequence investigated of the Siberian Trap at Noril'sk, USSR, consists of at least 45 flows that have been divided into six lava suites. The lower three suites consist of alkalic to subalkalicExpand
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Sulfur isotopic studies of continental flood basalts in the Noril’sk region: implications for the association between lavas and ore-bearing intrusions
Previous studies of both ore and non-ore-bearing intrusives in the Permo-Triassic flood basalts of the Siberian platform in the Noril’sk area have shown that high-grade Ni–Cu–platinum group elementsExpand
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Geochemical relationships in the Sudbury igneous complex; origin of the main mass and offset dikes
Petrological models relating the different rock types constituting the 1.85 Ga Sudbury Igneous Complex are constrained with extensive new geochemical data. We show that the main mass felsic norite,Expand
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