Filters: Author is Lightfoot, P. C.  [Clear All Filters]
1993
P. C. Lightfoot and Farrell, K. P., “Project Unit 93-08; Geochemistry of the Sudbury igneous complex”, in Summary of field work and other activities 1993, C. L. Baker, Dressler, B. O., de Souza, H. A. F., Fenwick, K. G., Newsome, J. W., and Owsiacki, L., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1993, pp. 79-82.
GeoRef, Copyright 2018, American Geological Institute.1995-040506Whistle Mine
1994
P. C. Lightfoot, Keays, R. R., Moore, M., Farrell, K. P. J., and Pekeski, D., “Project Unit 93-08; Geochemistry of the Sudbury igneous complex”, in Summary of field work and other activities, 1994, C. L. Baker, Dressler, B. O., de Souza, H. A. F., Fyon, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Thurston, P. C., and Wood, N., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1994, pp. 81-86.
GeoRef, Copyright 2018, American Geological Institute.2012-024558Ni/Cu
1995
P. C. Lightfoot, Farrell, K. P., Pekeski, D., Moore, M., and Keays, R. R., “Geochemical relationships among the main mass, sublayer and offsets of the Sudbury igneous complex, Ontario, Canada”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, pp. 116-121.
GeoRef, Copyright 2018, American Geological Institute.2011-076546Manchester OffsetParkin OffsetWhistle MineWorthington Offset
P. C. Lightfoot, Farrell, K., Moore, M., Pekeski, D., Crabtree, D., and Keays, R. R., “Geochemical relationships between the sublayer, main mass, and offsets, Sudbury igneous complex, Canada”, in Institute on Lake Superior Geology, 41st annual meeting, proceedings; Part 1, Program and abstracts, vol. 41, PART1, M. Smyk and Kehlenbeck, M., Eds. Institute on Lake Superior Geology, Eau Claire, WI, United States, 1995, pp. 38-39.
GeoRef, Copyright 2018, American Geological Institute.1999-020567Whistle Mine
P. C. Lightfoot, Farrell, K., Moore, M., Pekeski, D., Crabtree, D., and Keays, R. R., “Geochemical variations within the sublayer and the mafic-ultramafic inclusions, Whistle Mine, Sudbury igneous complex, Canada”, in Institute on Lake Superior Geology, 41st annual meeting, proceedings; Part 1, Program and abstracts, vol. 41, PART1, M. Smyk and Kehlenbeck, M., Eds. Institute on Lake Superior Geology, Eau Claire, WI, United States, 1995, pp. 40-41.
GeoRef, Copyright 2018, American Geological Institute.1999-020568Whistle Mine
K. P. J. Farrell, Lightfoot, P. C., and Keays, R. R., “Mafic-ultramafic inclusions in the sublayer of the Sudbury igneous complex, Whistle Mine, Sudbury, Ontario”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, pp. 126-128.
GeoRef, Copyright 2018, American Geological Institute.2011-076548melanoriteWhistle Mine
P. C. Lightfoot, Prevec, S. A., and Keays, R. R., “Mineral potential of the Nipissing gabbro”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, pp. 113-115.
GeoRef, Copyright 2018, American Geological Institute.2011-076545
S. A. Prevec, Zhou, M., Lightfoot, P. C., and Keays, R. R., “Project Unit 93-08; Discrimination of barren and mineralized Sublayer environments of the Sudbury igneous complex”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, p. 129.
GeoRef, Copyright 2018, American Geological Institute.2011-076549Sublayer Unit
M. Moore, Lightfoot, P. C., and Keays, R. R., “Project Unit 93-08; Geology and geochemistry of North Range footwall ultramafic rocks, Sudbury igneous complex, Sudbury, Ontario”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, pp. 122-123.
GeoRef, Copyright 2018, American Geological Institute.2011-076547North Range
D. Pekeski, Lightfoot, P. C., and Keays, R. R., “Project Unit 93-08; Geology and geochemistry of the Totten Mine section of the Worthington Offset, Sudbury igneous complex, Ontario”, in Summary of field work and other activities 1995, J. A. Ayer, Baker, C. L., Fyon, J. A., Junkin, J. A., Kaszycki, C. A., Laderoute, D. G., Merlino, G., Newsome, J. W., Owsiacki, L., Richardson, J. M., Spiers, G., and Thurston, P. C., Eds. Ontario Geological Survey, Toronto, ON, Canada, 1995, pp. 124-125.
GeoRef, Copyright 2018, American Geological Institute.2011-076609Totten MineWorthington Offset
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
S. A. Prevec, Keays, R. R., Lightfoot, P. C., and Xie, Q., “Origin of the sublayer of the Sudbury igneous complex; samarium-neodymium isotopic, geochemical, and petrographic evidence for incomplete crustal homogenization”, in Conference on Large meteorite impacts and planetary evolution; abstracts, vol. 922, Lunar and Planetary Institute, Houston, TX, United States, 1997, pp. 44-45.
GeoRef, Copyright 2018, American Geological Institute.2001-020227
S. A. Prevec, Corfu, F., Moore, M. L., Lightfoot, P. C., and Keays, R. R., “Postmagnetic zircon growth on exotic early magmatic phases associated with the emplacement of the Sudbury igneous complex; samarium-neodymium isotopic, geochemical, and petrographic evidence”, in Conference on Large meteorite impacts and planetary evolution; abstracts, vol. 922, Lunar and Planetary Institute, Houston, TX, United States, 1997, p. 44.
GeoRef, Copyright 2018, American Geological Institute.2001-020226Whistle Mine
C. J. Hawkesworth, Cohen, A. S., Cooper, M., Lightfoot, P. C., and O. Burnham, M., “Significant differences in the ore forming processes at Sudbury and Noril'sk; constraints from Os isotopes”, in AGU 1997 fall meeting, vol. 78, American Geophysical Union, Washington, DC, United States, 1997, p. 809.
GeoRef, Copyright 2018, American Geological Institute.1999-001466
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
2002
D. Ames, Golightly, J. P., Lightfoot, P. C., and Gibson, H. L., “Vitric Compositions in the Onaping Formation and Their Relationship to the Sudbury Igneous Complex, Sudbury Structure”, Economic GeologyEconomic Geology, vol. 97, pp. 1541-1562, 2002.
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
2008
C. M. Lesher and Lightfoot, P. C., “Magmatic Ni-Cu-PGE deposits associated with intermediate magmas; insights from Sudbury”, in Geological Association of Canada - Mineralogical Association of Canada Joint Annual Meeting, vol. 33, Geological Association of Canada, Waterloo, ON, Canada, 2008, p. 96.
GeoRef, Copyright 2018, American Geological Institute.2012-053424intermediate composition
2011
C. M. Lesher and Lightfoot, P. C., “Preface for thematic issue on Ni–Cu–PGE deposits”, Mineralium DepositaMineralium Deposita, vol. 47, pp. 1-2, 2011.
2013
A. Franchuk, Lightfoot, P. C., and Kontak, D. J., “High tenor Ni-PGE sulfide mineralization in the South Manasan ultramafic intrusion, Thompson Nickel Belt, Manitoba”, in Abstract Volume (Geological Association of Canada), vol. 36, Geological Association of Canada, Waterloo, ON, Canada, 2013, pp. 98-99.
GeoRef, Copyright 2018, American Geological Institute.690872-25
2014
W. Doherty, Lightfoot, P. C., and Ames, D., “A drift correction optimization technique for the reduction of the inter-measurement dispersion of isotope ratios measured using a multi-collector plasma mass spectrometer”, Spectrochimica Acta - Part B Atomic Spectroscopy, vol. 98, pp. 28-38, 2014.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.20142617870093Drift correctionInternal standardizationIsotope ratioOptimization techniquesPlasma mass spectrometersPlasma mass spectrometryPolynomial interpolationRock analysis
C. M. Lesher, Walker, J. A., and Lightfoot, P. C., “Geochemistry and petrogenesis of the Main Mass of the Sudbury Igneous Complex”, in GAC - MAC/AGC - AMC Joint Annual Meeting, vol. 37, Geological Association of Canada, Waterloo, ON, Canada, 2014, pp. 160-161.
GeoRef, Copyright 2018, American Geological Institute.761782-10