Filters: Author is Keays, Reid R.  [Clear All Filters]
2015
R. R. Keays and Lightfoot, P. C., “Geochemical stratigraphy of the Keweenawan Midcontinent rift Volcanic rocks with regional implications for the genesis of associated Ni, Cu, Co, and platinum group element sulfide mineralization”, Economic GeologyEconomic Geology, vol. 110, pp. 1235-1267, 2015.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.20153101104646Continental driftElement signaturesFar-field effectGeochemical fingerprintsOntario , CanadaPlagioclase feldsparsPlatinum group elementsSulfide mineralization
2010
M. L. Fiorentini, Barnes, S. J., C. Lesher, M., Heggie, G. J., Keays, R. R., and O. Burnham, M., “Platinum group element geochemistry of mineralized and nonmineralized komatiites and basalts”, Economic Geology and the Bulletin of the Society of Economic GeologistsEconomic Geology and the Bulletin of the Society of Economic Geologists, vol. 105, pp. 795-823, 2010.
GeoRef, Copyright 2018, American Geological Institute.2010-070310
2006
C. Yan Wang, Zhou, M., and Keays, R. R., “Geochemical constraints on the origin of the Permian Baimazhai mafic-ultramafic intrusion, SW China”, Contributions to Mineralogy and Petrology, vol. 152, pp. 309-321, 2006.
GeoRef, Copyright 2018, American Geological Institute.2007-010701Baimazhai Intrusion
R. Sproule, C. Lesher, M., Houle, M., Keays, R. R., Ayer, J. A., and Thurston, P. C., “Ni-Cu-PGE metallogenesis of komatiitic rocks in the Abitibi greenstone belt, Canada”, in Australian earth sciences convention 2006; conference abstracts; revised version, vol. 82, Geological Society of Australia, Sydney, N.S.W., Australia, 2006, p. 5.
GeoRef, Copyright 2018, American Geological Institute.2009-018481
2005
M. - F. Zhou, Robinson, P. T., Lesher, C. M., Keays, R. R., Zhang, C. - J., and Malpas, J., “Geochemistry, Petrogenesis and Metallogenesis of the Panzhihua Gabbroic Layered Intrusion and Associated Fe–Ti–V Oxide Deposits, Sichuan Province, SW China”, Journal of PetrologyJournal of Petrology, vol. 46, pp. 2253-2280, 2005.
M. Zhou, Robinson, P. T., C. Lesher, M., Keays, R. R., Zhang, C., and Malpas, J., “Geochemistry, petrogenesis and metallogenesis of the Panzhihua gabbroic layered intrusion and associated Fe-Ti-V oxide deposits, Sichuan Province, SW China”, Journal of PetrologyJournal of Petrology, vol. 46, pp. 2253-2280, 2005.
GeoRef, Copyright 2018, American Geological Institute.2006-034677Panzhihua Intrusion
P. C. Lightfoot and Keays, R. R., “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”, Economic GeologyEconomic Geology, vol. 100, pp. 439-462, 2005.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.2005369345186Platinum group elementSiberian trap floods
2002
M. Zhou, Malpas, J., Song, X., Robinson, P. T., Sun, M., Kennedy, A. K., C. Lesher, M., and Keays, R. R., “A temporal link between the Emeishan large igneous province (SW China) and the end-Guadalupian mass extinction”, Earth and Planetary Science LettersEarth and Planetary Science Letters, vol. 196, pp. 113-122, 2002.
GeoRef, Copyright 2018, American Geological Institute.2002-036834Xinjie China
2001
M. C. Lesher, O. Burnham, M., Keays, R. R., Barnes, S. J., and Hulbert, L. A. R. R. Y., “Trace-element geochemistry and petrogenesis of barren and ore-associated komatiites”, in Ore-forming processes in dynamic magmatic systems, vol. 39, Part 2, S. - J. Barnes, Crocket, J. H., and Martin, R. F., Eds. Mineralogical Association of Canada, Ottawa, ON, Canada, 2001, pp. 673-696.
GeoRef, Copyright 2018, American Geological Institute.2002-010833
2000
R. R. Keays, Lightfoot, P. C., and Doherty, W., “The enigma of the metal sources for the Ni-Cu-PGE sulphide deposits of the Sudbury igneous complex; implications for mineral exploration”, in Understanding Planet Earth; searching for a sustainable future; abstracts of the 15th Australian geological convention, vol. 59, C. G. Skilbeck and Hubble, T. C. T., Eds. Geological Society of Australia, Sydney, N.S.W., Australia, 2000, p. 269.
GeoRef, Copyright 2018, American Geological Institute.2003-048253
1999
M. C. Lesher, Burnham, O. M., Keays, R. R., Barnes, S. J., and Hulbert, L., “Geochemical discrimination of barren and mineralized komatiites in dynamic ore-forming magmatic systems”, in Dynamic processes in magmatic ore deposits and their application to mineral exploration, vol. 13, R. R. Keays, C. Lesher, M., Lightfoot, P. C., and Farrow, C. E. G., Eds. Geological Association of Canada, St. John's, NL, Canada, 1999, pp. 451-477.
GeoRef, Copyright 2018, American Geological Institute.2001-058753
M. C. Lesher, Burnham, O. M., Keays, R. R., Barnes, S. J., and Hulbert, L., “Geochemical discrimination of barren and mineralized komatiites in dynamic ore-forming magmatic systems”, in Dynamic processes in magmatic ore deposits and their application to mineral exploration, vol. 13, R. R. Keays, C. Lesher, M., Lightfoot, P. C., and Farrow, C. E. G., Eds. Geological Association of Canada, St. John's, NL, Canada, 1999, pp. 451-477.
GeoRef, Copyright 2018, American Geological Institute.2001-058753
M. C. Lesher and Burnham, O. M., “Mass balance and mixing in magmatic sulphide systems”, in Dynamic processes in magmatic ore deposits and their application to mineral exploration, vol. 13, R. R. Keays, C. Lesher, M., Lightfoot, P. C., and Farrow, C. E. G., Eds. Geological Association of Canada, St. John's, NL, Canada, 1999, pp. 413-449.
GeoRef, Copyright 2018, American Geological Institute.2001-058752
R. R. Keays and Lightfoot, P. C., “The role of meteorite impact, source rocks, protores and mafic magmas in the genesis of the Sudbury Ni-Cu-PGE sulphide ore deposits”, in Dynamic processes in magmatic ore deposits and their application to mineral exploration, vol. 13, R. R. Keays, C. Lesher, M., Lightfoot, P. C., and Farrow, C. E. G., Eds. Geological Association of Canada, St. John's, NL, Canada, 1999, pp. 329-366.
GeoRef, Copyright 2018, American Geological Institute.2001-058750
R. R. Keays and Lightfoot, P. C., “The role of meteorite impact, source rocks, protores and mafic magmas in the genesis of the Sudbury Ni-Cu-PGE sulphide ore deposits”, in Dynamic processes in magmatic ore deposits and their application to mineral exploration, vol. 13, R. R. Keays, C. Lesher, M., Lightfoot, P. C., and Farrow, C. E. G., Eds. Geological Association of Canada, St. John's, NL, Canada, 1999, pp. 329-366.
GeoRef, Copyright 2018, American Geological Institute.2001-058750
1998
M. - F. Zhou, Sun, M., Keays, R. R., and Kerrich, R. W., “Controls on platinum-group elemental distributions of podiform chromitites; a case study of high-Cr and high-Al chromitites from Chinese orogenic belts”, Geochimica et Cosmochimica Acta, vol. 62, pp. 677-688, 1998.
GeoRef, Copyright 2018, American Geological Institute.1998-031717melt/rock reaction
R. R. Keays, O. Burnham, M., and C. Lesher, M., “Key features of economic Ni-Cu-PGE sulphide deposits; application to exploration”, in Geoscience for the new millennium; abstracts, vol. 49, Geological Society of Australia, Sydney, N.S.W., Australia, 1998, p. 237.
GeoRef, Copyright 2018, American Geological Institute.2000-078972
1997
S. A. Prevec, Keays, R. R., and Lightfoot, P. C., “Genesis of inclusions in the mineralized contact sublayer, Sudbury igneous complex; Sm-Nd isotopic, geochemical and petrographic evidence”, in Ottawa '97; GAC/MAC annual meeting; abstract volume--Ottawa '97; reunion annuelle AGC/AMC; recueil des resumes, vol. 22, Geological Association of Canada, Waterloo, ON, Canada, 1997, p. 121.
GeoRef, Copyright 2018, American Geological Institute.2005-067502
P. C. Lightfoot, Keays, R. R., Morrison, G. G., Bite, A., and Farrell, K. P., “Geochemical relationships in the Sudbury igneous complex; origin of the main mass and offset dikes”, Economic Geology and the Bulletin of the Society of Economic GeologistsEconomic Geology and the Bulletin of the Society of Economic Geologists, vol. 92, pp. 289-307, 1997.
GeoRef, Copyright 2018, American Geological Institute.1997-068260Levack ComplexMilnet MineWhistle Mine
P. C. Lightfoot, Keays, R. R., Morrison, G. G., Bite, A., and Farrell, K. P., “Geologic and geochemical relationships between the contact sublayer, inclusions, and the main mass of the Sudbury Igneous Complex; a case study of the Whistle Mine Embayment”, Economic Geology and the Bulletin of the Society of Economic GeologistsEconomic Geology and the Bulletin of the Society of Economic Geologists, vol. 92, pp. 647-673, 1997.
GeoRef, Copyright 2018, American Geological Institute.1998-008259Whistle Mine Embayment
D. C. Vogel and Keays, R. R., “The petrogenesis and platinum-group element geochemistry of the Newer Volcanic Province, Victoria, Australia”, Chemical GeologyChemical Geology, vol. 136, pp. 181-204, 1997.
GeoRef, Copyright 2018, American Geological Institute.1997-050144Newer Volcanic Province
M. F. Zhou, Keays, R. R., Lightfoot, P. C., Morrison, G. G., and Moore, M. L., “Petrogenetic significance of chromian spinels from the Sudbury igneous complex, Ontario, Canada”, in Ottawa '97; GAC/MAC annual meeting; abstract volume--Ottawa '97; reunion annuelle AGC/AMC; recueil des resumes, vol. 22, Geological Association of Canada, Waterloo, ON, Canada, 1997, p. 163.
GeoRef, Copyright 2018, American Geological Institute.2005-067724
M. - F. Zhou, Lightfoot, P. C., Keays, R. R., Moore, M. L., and Morrison, G. G., “Petrogenetic significance of chromian spinels from the Sudbury Igneous Complex, Ontario, Canada”, Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre, vol. 34, pp. 1405-1419, 1997.
GeoRef, Copyright 2018, American Geological Institute.1998-013403
Q. Xie, Keays, R. R., Lightfoot, P. C., Prevec, S. A., Morrison, G. G., and Zhou, M. F., “PGE characteristics of the Sudbury igneous complex (SIC); implications for sulfide mineralization”, in Ottawa '97; GAC/MAC annual meeting; abstract volume--Ottawa '97; reunion annuelle AGC/AMC; recueil des resumes, vol. 22, Geological Association of Canada, Waterloo, ON, Canada, 1997, p. 160.
GeoRef, Copyright 2018, American Geological Institute.2005-067710
O. M. Burnham, Keays, R. R., and Lesher, C. M., “Platinum group and trace element geochemical evidence for the petrogenesis of mineralised peridotite lava channels in the Cape Smith Belt, northern Quebec”, in Ottawa '97; GAC/MAC annual meeting; abstract volume--Ottawa '97, vol. 22, Geological Association of Canada, Waterloo, ON, Canada, 1997, p. 21.
GeoRef, Copyright 2018, American Geological Institute.2005-066975