Search Results - "Lightfoot, P. C"

U–Pb isotopic dating of titanite microstructures: potential implications for the chronology and identification of large impact structures by Papapavlou, K., Darling, J. R., Moser, D. E., Barker, I. R., White, L. F., Lightfoot, P. C., Storey, C. D., Dunlop, J.

“…Identifying and dating large impact structures is challenging, as many of the traditional shock indicator phases can be modified by post-impact processes…”
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Uranium-lead zircon systematics in the Sudbury impact crater-fill; implications for target lithologies and crater evolution by Petrus, J. A, Kenny, G. G, Ayer, J. A, Lightfoot, P. C, Kamber, B. S

“…The Sudbury impact structure is one of only a few terrestrial impact craters capable of providing insight into large impact processes. However, despite more…”
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Formation of Ni?Cu?Platinum Group Element sulfide mineralization in the Sudbury Impact Melt Sheet by Keays, R. R., Lightfoot, P. C.

“…The Ni-Cu-Platinum Group Element (PGE) sulfide deposits of the Sudbury Structure have provided a major portion of the world's total nickel production and their…”
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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 Trap, Russia by LIGHTFOOT, P. C, HAWKESWORTH, C. J, HERGT, J, NALDRETT, A. J, GORBACHEV, N. S, FEDORENKO, V. A, DOHERTY, W

“…New major and trace element data and Sr-, Nd- and Pb-isotope data from two sequences of stratigraphically controlled lavas from the Noril'sk District of the…”
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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 by Lightfoot, Peter C, Keays, Reid R

“…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…”
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Wall-rock structural controls on the genesis of the Voisey's Bay Intrusion and its Ni-Cu-Co magmatic sulfide mineralization (Labrador, Canada) by Saumur, B. M, Cruden, A. R, Evans-Lamswood, D, Lightfoot, P. C

“…The Voisey's Bay intrusion of the Mesoproterozoic Nain Plutonic Suite hosts a world-class magmatic Ni-Cu-Co sulfide deposit. Here we document the brittle and…”
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Reconstructing the geochemical signature of Sudbury breccia, Ontario, Canada; implications for its formation and trace metal content by O'Callaghan, Jon W, Osinski, G. R, Lightfoot, P. C, Linnen, R. L, Weirich, J. R

“…The Sudbury breccia is an impact-generated pseudotachylitic breccia formed in the footwall of the 1.85 Ga Sudbury Igneous Complex in Ontario, Canada. The…”
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Origin of PGE-poor and Cu-rich magmatic sulfides from the Kalatongke Deposit, Xinjiang, northwest China by Gao Jianfeng, Gao Jianfeng, Zhou Meifu, Zhou Meifu, Lightfoot, Peter C, Wang, Christina Yan, Qi Liang, Qi Liang

“…The Kalatongke Cu-Ni sulfide deposit in the Paleozoic Altay orogenic belt, NW China, is hosted in a Permian mafic intrusion consisting of norite, troctolite,…”
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Isotopic heterogeneity in the Sudbury impact melt sheet by Darling, J.R., Hawkesworth, C.J., Lightfoot, P.C., Storey, C.D., Tremblay, E.

“…A unique terrestrial large impact melt sheet is preserved in the 1850 Ma Sudbury Structure, Ontario. We have undertaken a Pb isotope investigation of the…”
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Shallow impact: Isotopic insights into crustal contributions to the Sudbury impact melt sheet by Darling, J.R., Hawkesworth, C.J., Storey, C.D., Lightfoot, P.C.

“…The largest known terrestrial impact melt sheet occurs within the 1850 Ma Sudbury Structure, Ontario. In order to evaluate the relative contributions of…”
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A drift correction optimization technique for the reduction of the inter-measurement dispersion of isotope ratios measured using a multi-collector plasma mass spectrometer by Doherty, W., Lightfoot, P.C., Ames, D.E.

“…The effects of polynomial interpolation and internal standardization drift corrections on the inter-measurement dispersion (statistical) of isotope ratios…”
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Preface for thematic issue on Ni–Cu–PGE deposits by Lesher, C. M., Lightfoot, P. C.

“…Issue Title: Ni-Cu-(PGE) Deposits…”
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Controls on the composition of Ni-Cu sulfide deposits as illustrated by those at Noril'sk, Siberia by Naldrett, A. J, Fedorenko, V. A, Asif, Mohammed, Lin, Shushen, Kunilov, V. E, Stekhin, A. I, Lightfoot, P. C, Gorbachev, N. S

“…The Ni-Cu-PGE ore deposits of the Noril'sk region have developed in feeder channels for Permo-Triassic continental flood basalt volcanism, particularly within…”
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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 by LIGHTFOOT, P. C, NALDRETT, A. J, GORBACHEV, N. S, DOHERTY, W, FEDORENKO, V. A

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U-Pb geochronology of the sublayer environment, Sudbury igneous complex, Ontario by Corfu, F, Lightfoot, P. C

“…Cu-Ni sulfide deposits of the Sudbury Igneous Complex are hosted by the inclusion-rich sublayer, which occurs discontinuously between the footwall and main…”
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Geology and geochemistry of intrusions and flood basalts of the Noril'sk region, USSR, with implications for the origin of the Ni-Cu ores by Naldrett, Anthony J, Lightfoot, P. C, Fedorenko, V, Doherty, W, Gorbachev, N. S

“…Geochemical studies indicate that five principal magma types characterize the 3.8-km vertical thickness of flood basalt of the Noril'sk region. From base to…”
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Geology, Geochemistry, and Mineralogy of the Worthington Offset Dike: A Genetic Model for Offset Dike Mineralization in the Sudbury Igneous Complex by Lightfoot, P. C.

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Chemical Evolution and Origin of Nickel Sulfide Mineralization in the Sudbury Igneous Complex, Ontario, Canada by Lightfoot, P. C.

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Petrogenesis of rhyolites and trachytes from the Deccan Trap: Sr, Nd and Pb isotope and trace element evidence by LIGHTFOOT, P. C, HAWKESWORTH, C. J, SETHNA, S. F

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Evolution of the sublayer of the Sudbury Igneous Complex: geochemical, Sm–Nd isotopic and petrologic evidence by Prevec, S.A, Lightfoot, P.C, Keays, R.R

“…The mineralized sublayer at the base of the Sudbury Igneous Complex (SIC) consists of two variants, the noritic contact sublayer and radial and concentric…”
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