Search Results - "Lesher, C M"

Trace element geochemistry and petrogenesis of felsic volcanic rocks associated with volcanogenic massive Cu-Zn-Pb sulfide deposits by Hart, Tom R, Gibson, H. L, Lesher, C. M

“…Volcanogenic massive Cu-Zn-(Pb) sulfide (VMS) deposits occur primarily in subaqueous rift-related environments (e.g., oceanic, fore-arc, arc, back-arc,…”
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Diversity of net-textured sulfides in magmatic sulfide deposits; insights from the Eagle's Nest Ni-Cu-(platinum group element) deposit, McFaulds Lake greenstone belt, Superior Province, Canada by Zuccarelli, N, Lesher, C. M, Houlé, M. G, Weston, R, Barnes, S. J

“…The Eagle's Nest Ni-Cu-(platinum group element; PGE) deposit occurs within the 2.73 Ga Esker intrusive complex of the Ring of Fire intrusive suite in the…”
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Geochemistry and petrogenesis of 270 Ma Ni–Cu–(PGE) sulfide-bearing mafic intrusions in the Huangshan district, Eastern Xinjiang, Northwest China: implications for the tectonic evolution of the Central Asian orogenic belt by Zhou, Mei-Fu, Michael Lesher, C., Yang, Zhengxi, Li, Jianwei, Sun, Min

“…The Central Asian orogenic belt (CAOB) is composed of remnants of microcontinents, island arcs and ophiolites. The presence of voluminous Phanerozoic A-type…”
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Geochemical and fluid dynamic modeling of compositional variations in Archean komatiite-hosted nickel sulfide ores in Western Australia by Lesher, C. M, Campbell, I. H

“…Stratigraphic, volcanological, petrological, and fluid dynamic studies suggest that Archean komatiite-associated nickel sulfide deposits in Western Australia…”
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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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Neoproterozoic Arc‐Related Mafic Intrusions along the Northern Margin of South China: Implications for the Accretion of Rodinia by Zhou, Mei‐Fu, Kennedy, Allen K., Sun, Min, Malpas, John, Lesher, C. Michael

“…South China has been considered as part of the Rodinian supercontinent during Neoproterozoic time, although its paleogeographic position within this…”
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Platinum group element geochemistry of komatiites from the Alexo and Pyke Hill areas, Ontario, Canada by Puchtel, I S, Humayun, M, Campbell, A J, Sproule, R A, Lesher, C M

“…Thirty-three whole-rock drill core samples and thirteen olivine, chromite, and sulfide separates from three differentiated komatiite lava flows at Alexo and…”
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Physical volcanology and genesis of komatiite-associated Ni-Cu-(PGE) mineralization in the C zone, Bannockburn Township, Ontario by Taranovic, V, Lesher, C. M, Houlé, Michel G, Bédard, Jean H

“…The C zone, located in Bannockburn Township approximately 30 km W of Matachewan, Ontario, is one of several komatiite-associated Ni-Cu-(PGE) deposits within…”
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Komatiitic sills and multigenerational peperite at Dundonald Beach, Abitibi greenstone belt, Ontario; volcanic architecture and nickel sulfide distribution by Houlé, Michel G, Gibson, H. L, Lesher, C. M, Davis, P. C, Cas, R. A. F, Beresford, S. W, Arndt, N. T

“…The density and the tectonic stresses in the deep crust and the physical properties of komatiitic magmas determine the level to which they will rise, but once…”
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MULTICOMPONENT ELEMENTAL AND ISOTOPIC MIXING IN Ni Cu (PGE) ORES AT KAMBALDA, WESTERN AUSTRALIA by Lesher, C. M., Burnham, O. M.

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Spatial and temporal variations in the geochemistry of komatiites and komatiitic basalts in the Abitibi greenstone belt by Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., Herzberg, C.T.

“…Komatiites and komatiitic basalts in the Abitibi greenstone belt exhibit pronounced spatial and temporal variations in major and trace element geochemistry…”
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Quantitative mass balance of platinum group elements in the Kelly Lake Ni-Cu-PGE deposit, Copper Cliff offset, Sudbury by Huminicki, M. A. E, Sylvester, P. J, Cabri, L. J, Lesher, C. M, Tubrett, M

“…A mineralogical mass balance has been calculated for the fraction of PGE incorporated as solid solution in sulphides and sulpharsenides and the fraction that…”
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Chalcophile element geochemistry and metallogenesis of komatiitic rocks in the Abitibi greenstone belt, Canada by Sproule, R. A, Lesher, C. M, Houlé, M. G, Keays, R. R, Ayer, J. A, Thurston, P. C

“…Komatiitic rocks occur in four lithotectonic assemblages in the Abitibi greenstone belt of the Archaean Superior province: the 2750 to 2735 Ma Pacaud…”
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Thermal erosion by komatiites at Kambalda, Western Australia and the genesis of nickel ores by Groves, D. I, Korkiakoski, E. A, McNaughton, N. J, Lesher, C. M, Cowden, A

“…Calculations that komatiites flow turbulently, transfer heat efficiently to their substrate, and thus potentially produce thermal-erosion channels in sequences…”
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Emplacement and erosion by Archean komatiite lava flows at Kambalda: Revisited by Williams, David A., Kerr, Ross C., Lesher, C. Michael

“…We have developed a mathematical model to evaluate the flow and erosional potential of submarine, channelized komatiite lavas at Kambalda, Western Australia…”
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Trace-element geochemistry and petrogenesis of barren and ore-associated komatiites by Lesher, C. Michael, Burnham, O. Marcus, Keays, Reid R, Barnes, Stephen J, Hulbert, Larry

“…Most komatiite-associated magmatic Ni-Cu-(PGE) sulfide deposits formed from sulfide-undersaturated magmas and are interpreted to have formed in dynamic lava…”
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Re-Os systematics of komatiites and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history and implications of a late-Archean chondritic mantle source by Gangopadhyay, Amitava, Sproule, Rebecca A., Walker, Richard J., Lesher, C. Michael

“…Osmium isotopic compositions, and Re and Os concentrations have been examined in one komatiite unit and two komatiitic basalt units at Dundonald Beach, part of…”
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A special issue devoted to the mineral deposits of the Sudbury Basin; preface by Lesher, C. M, Thurston, P. C

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Analytical/numerical modeling of komatiite lava emplacement and thermal erosion at Perseverance, Western Australia by Williams, David A, Kerr, Ross C, Lesher, C.Michael, Barnes, Stephen J

“…We have applied a thermal–fluid dynamic-geochemical model to investigate the emplacement and erosional potential of Archean komatiite flows at Perseverance,…”
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Chlorine and alkali geochemical halos in the footwall breccia and sublayer norite at the margin of the Strathcona Embayment, Sudbury Structure, Ontario by McCormick, K. A, Lesher, C. M, McDonald, A. M, Fedorowich, J. S, James, R. S

“…The Ni-Cu-platinum-group element ores in the sublayer and footwall breccia of the Sudbury structure have distinctive geochemical haloes. In the Fraser mine,…”
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