Filters: Author is Keays, R. R.  [Clear All Filters]
2011
D. Layton-Matthews, Lesher, C. M., Liwanag, J., Halden, N., Burnham, O. M., Hulbert, L., Peck, D. C., and Keays, R. R., “Mineralogy, geochemistry, and genesis of komatiite-associated Ni-Cu-PGE mineralization in the Thompson nickel belt, Manitoba”, in Magmatic Ni-Cu and PGE deposits; geology, geochemistry, and genesis, vol. 17, C. Li and Ripley, E. M., Eds. Society of Economic Geologists, Boulder, CO, United States, 2011, pp. 123-143.
GeoRef, Copyright 2018, American Geological Institute.2012-062790
2010
D. Layton-Matthews, Lesher, C. M., Burnham, O. M., Hulbert, L., Peck, D. C., Golightly, J. P., and Keays, R. R., “Exploration for komatiite-associated Ni-Cu-(PGE) mineralization in the Thompson nickel belt, Manitoba”, in The challenge of finding new mineral resources; global metallogeny, innovative exploration and new discoveries; Volume II, Zinc-lead, nickel-copper-PGE and uranium, vol. 15, Vol. II, R. J. Goldfarb, Marsh, E. E., and Thomas, M., Eds. Society of Economic Geologists, Littleton, CO, United States, 2010, pp. 513-538.
GeoRef, Copyright 2018, American Geological Institute.2012-072613Pipe Formation
L. - D. Matthews, Lesher, C. M., O Burnham, M. A. R. C. U. S., Hulbert, L. A. R. R. Y., Peck, D. A. V. I. D. C., Golightly, J. P., and Keays, R. R., “Exploration for komatiite-associated Ni-Cu-(PGE) mineralization in the Thompson nickel belt, Manitoba”, in The challenge of finding new mineral resources; global metallogeny, innovative exploration and new discoveries; Volume II, Zinc-lead, nickel-copper-PGE and uranium, vol. Special Publication, No. 15, R. J. Goldfarb, Marsh, E. E., and Monecke, T., Eds. Society of Economic Geologists, 2010, pp. 513-538.
M. L. Fiorentini, Barnes, S. J., Lesher, C. M., Heggie, G. J., Keays, R. R., and Burnham, O. M., “Platinum Group Element Geochemistry of Mineralized and Nonmineralized Komatiites and Basalts”, Economic GeologyEconomic Geology, vol. 105, pp. 795-823, 2010.
2006
R. A. Sproule, Lesher, C. M., Houlé, M. G., Keays, R. R., Ayer, J. A., and Thurston, P. C., “Chalcophile Element Geochemistry and Metallogenesis of Komatiitic Rocks in the Abitibi Greenstone Belt, Canada”, Economic GeologyEconomic Geology, vol. 100, pp. 1169-1190, 2006.
2005
R. A. Sproule, Lesher, C. M., Houlé, M. G., Keays, R. R., Ayer, J. A., and Thurston, P. C., “Chalcophile element geochemistry and metallogenesis of komatiitic rocks in the Abitibi greenstone belt, Canada”, Economic Geology and the Bulletin of the Society of Economic GeologistsEconomic Geology and the Bulletin of the Society of Economic Geologists, vol. 100, pp. 1169-1190, 2005.
GeoRef, Copyright 2018, American Geological Institute.2006-026761
2004
R. R. Keays and Lightfoot, P. C., “Formation of Ni-Cu-platinum group element sulfide mineralization in the Sudbury impact melt sheet”, in New frontiers in research on NiS-PGE mineralization, vol. 82, W. E. Stone and Beresford, S. W., Eds. Springer-Verlag, Vienna, Austria, 2004, pp. 217-258.
GeoRef, Copyright 2018, American Geological Institute.2011-022615platinum group ores
2003
R. A. Sproule, Houlé, M. G., Lesher, C. M., Keays, R. R., Ayer, J. A., and Thurston, P. C., “Chalcophile element geochemistry of komatiitic rocks in the Abitibi greenstone belt, Canada; implications for their source region and metallogenesis”, in Geological Association of Canada - Mineralogical Association of Canada Joint Annual Meeting Abstracts, vol. 28, Geological Association of Canada, Waterloo, ON, Canada, 2003.
GeoRef, Copyright 2018, American Geological Institute.2007-053689
N. L. MacRae, Kissin, S. A., Keays, R. R., and Young, C., “Southampton; Canada's third pallasite”, in Geological Association of Canada - Mineralogical Association of Canada Joint Annual Meeting Abstracts, vol. 28, Geological Association of Canada, Waterloo, ON, Canada, 2003.
GeoRef, Copyright 2018, American Geological Institute.2007-113457Southampton Meteorite
2002
C. M. Lesher and Keays, R. R., “Komatiite-associated Ni-Cu-(PGE) deposits; geology, mineralogy, geochemistry, and genesis”, in The geology, geochemistry, mineralogy and mineral beneficiation of platinum-group elements, vol. 54, L. J. Cabri, Ed. Canadian Institute of Mining and Metallurgy, Montreal, QC, Canada, 2002, pp. 579-617.
GeoRef, Copyright 2018, American Geological Institute.2003-072631
M. F. Zhou, Yang, Z. X., Song, X. Y., Keays, R. R., and Lesher, C. M., “Magmatic Ni-Cu-(PGE) sulphide deposits in China”, in The geology, geochemistry, mineralogy and mineral beneficiation of platinum-group elements, vol. 54, L. J. Cabri, Ed. Canadian Institute of Mining and Metallurgy, Montreal, QC, Canada, 2002, pp. 619-636.
GeoRef, Copyright 2018, American Geological Institute.2003-072632Hongqiling DepositHongshila DepositHuangshan DepositJinbaoshan DepositKaratungk DepositYangliuping Deposit
R. S. James, Jobin-Bevans, S., Easton, R. M., Wood, P., Hrominchuk, J. L., Keays, R. R., and Peck, D. C., “Platinum-group element mineralization in Paleoproterozoic basic intrusions in central and northeastern Ontario, Canada”, in The geology, geochemistry, mineralogy and mineral beneficiation of platinum-group elements, vol. 54, L. J. Cabri, Ed. Canadian Institute of Mining and Metallurgy, Montreal, QC, Canada, 2002, pp. 339-365.
GeoRef, Copyright 2018, American Geological Institute.2003-072622East Bull Lake Intrusion
2001
C. M. Lesher and Keays, R. R., “Trace element lithophile and chalcophile element geochemistry, petrogenesis and metallogenesis of komatiites at Kambalda, Western Australia”, in Fourth international Archaean symposium; extended abstracts, K. F. Cassidy, Dunphy, J. M., and van Kranendonk, M. J., Eds. AGSO - Australian Geological Survey Organisation, Canberra, Australia, 2001, pp. 391-393.
GeoRef, Copyright 2018, American Geological Institute.2004-016137Kambalda Formation
2000
S. A. Prevec, Lightfoot, P. C., and Keays, R. R., “Evolution of the sublayer of the Sudbury igneous complex; geochemical, Sm-Nd isotopic and petrologic evidence”, Lithos (Oslo), vol. 51, pp. 271-292, 2000.
GeoRef, Copyright 2018, American Geological Institute.2000-048782
1999
D. C. Vogel, Keays, R. R., James, R. S., and Reeves, S. J., “The geochemistry and petrogenesis of the Agnew Intrusion, Canada; a product of S-undersaturated, high-Al and low-Ti tholeiitic magmas”, Journal of PetrologyJournal of Petrology, vol. 40, pp. 423-450, 1999.
GeoRef, Copyright 2018, American Geological Institute.1999-034201Agnew Intrusion
L. S. Jobin-Bevans, Keays, R. R., and MacRae, N. D., “Project 97012; Cu-Ni-PGE in Nipissing Diabase; results from surface and core samples”, in Summary of field work and other activities 1999, J. A. Ayer, Baker, C. L., Kelley, R. I., Stott, G. M., and Thurston, P. C., Eds. Ministry of Natural Resources, Toronto, ON, Canada, 1999, pp. 33.1-33.5.
GeoRef, Copyright 2018, American Geological Institute.2001-016718
L. S. Jobin-Bevans, MacRae, N. D., and Keays, R. R., “Project Unit 97-012; Cu-Ni-PGE potential of the Nipissing Diabase”, in Summary of field work and other activities 1998, J. A. Ayer, Baker, C. L., Ireland, J. C., Kelly, R. I., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1999, pp. 220-223.
GeoRef, Copyright 2018, American Geological Institute.2004-027206
1998
D. C. Vogel, James, R. S., and Keays, R. R., “The early tectono-magmatic evolution of the Southern Province; implications from the Agnew Intrusion, central Ontario, Canada”, Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre, vol. 35, pp. 854-870, 1998.
GeoRef, Copyright 2018, American Geological Institute.1999-014872Agnew Intrusioncentral OntarioEast Bull Lake Intrusion
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 Quebec 1998; abstract volume; Crossroads of Earth sciences, vol. 23, Geological Association of Canada, Waterloo, ON, Canada, 1998, pp. A25-A26.
GeoRef, Copyright 2018, American Geological Institute.2000-054964
J. P. Lorand, Luguet, A., Keays, R. R., and Alard, O., “Se contents and S/Se ratios of spinel peridotite xenoliths from the Massif Central (France)”, in V. M. Goldschmidt conference, abstracts volume; Hoffman-Rihs, vol. 62A, Part 2, J. Schott, Ed. Mineralogical Society, London, United Kingdom, 1998, pp. 903-904.
GeoRef, Copyright 2018, American Geological Institute.2006-052259
F. P. Bierlein, Fuller, T., Stuewe, K., Arne, D. C., and Keays, R. R., “Wallrock alteration associated with turbidite-hosted gold deposits; examples from the Palaeozoic Lachlan fold belt in central Victoria, Australia”, in Mesothermal gold mineralization in space and time, vol. 13, W. R. H. Ramsay, Bierlein, F. P., and Arne, D. C., Eds. Elsevier, Amsterdam, International, 1998, pp. 345-380.
GeoRef, Copyright 2018, American Geological Institute.1999-025733
1997
P. C. Lightfoot, Keays, R. R., and Doherty, W., “Can impact-generated melts have mantle contributions? Geochemical evidence from the Sudbury igneous complex”, in Conference on Large meteorite impacts and planetary evolution; abstracts, vol. 922, Lunar and Planetary Institute, Houston, TX, United States, 1997, p. 30.
GeoRef, Copyright 2018, American Geological Institute.2001-020201
S. A. Prevec, Xie, Q., Keays, R. R., and Lightfoot, P. C., “Geochemical and samarium-neodymium isotopic evidence regarding the origin of offset dikes of the Sudbury igneous complex, Ontario”, in Conference on Large meteorite impacts and planetary evolution; abstracts, vol. 922, Lunar and Planetary Institute, Houston, TX, United States, 1997, p. 45.
GeoRef, Copyright 2018, American Geological Institute.2001-020228
P. C. Lightfoot, Hawkesworth, C. J., Olshefsky, K., Green, T., Doherty, W., and Keays, R. R., “Geochemistry of Tertiary tholeiites and picrites from Qeqertarssuaq (Disko Island) and Nuussuaq, West Greenland with implications for the mineral potential of comagmatic intrusions”, Contributions to Mineralogy and Petrology, vol. 128, pp. 139-163, 1997.
GeoRef, Copyright 2018, American Geological Institute.2000-042471Kraulshavn GreenlandQeqertarssauq
P. C. Lightfoot, Keays, R. R., Morrison, G. G., and Bite, A., “Geological and geochemical relationships between the contact sublayer, offsets, and main mass of the Sudbury igneous complex”, in Conference on Large meteorite impacts and planetary evolution; abstracts, vol. 922, Lunar and Planetary Institute, Houston, TX, United States, 1997, pp. 30-31.
GeoRef, Copyright 2018, American Geological Institute.2001-020202