Hornibrook, E.R.C. and Longstaffe, F.J. (1998) Evolution of the stable carbon-isotope values of methane and carbon dioxide in freshwater wetlands. EOS, Transactions, AGU, v. 79, p. F371.
Hornibrook, E.R.C., Longstaffe, F.J. and Fyfe, W.S. (2000) Biogeochemical processes governing the stable carbon-isotope compositions of CH4 and CO2 in freshwater wetlands. Goldschmidt Meeting, Oxford, UK, September 2000.
Hornibrook,
E.R.C., Longstaffe, F.J. and Fyfe, W.S. (1997) Spatial distribution of microbial
methane production pathways in temperate zone wetland soils:
Stable carbon and hydrogen isotope evidence.
NATO Advanced Study Institute on 'Soils and the Global Carbon Cycle,
Trace Gas Exchange and Hydrology'. Château de Bonas, France, June 16-27, 1997.
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Landfill Leachate Systems (Abstracts) |
Bennett,
P.J., Longstaffe, F.J. and Rowe, R.K. (1997) Interpreting stable isotopic
compositions of landfill gases, liquids and solids.
EOS, Transactions, AGU, v. 78, p. F313.
Rowe,
R.K., Fleming, I.R., Armstrong, M.D., Cooke, A.J., Cullimore, D.R., Rittmann,
B.E., Bennett, P. and Longstaffe, F.J. (1997) Recent advances in understanding
the clogging of leachate collection systems.
Proceedings Sardinia 97, Sixth International Landfill Symposium, S.
Margherita di Pula, Cagliari, Italy, October 13-17, 1997, p. 383-390.
Rowe, R.K., Fleming, I.R., Rittman, B.R., Longstaffe, F.J., Cullimore, D.R., McIsaac, R., Bennet, P., Cooke, A.J., Armstrong, M.D. and VanGulck, J. (2000) Multidisciplinary study of clogging of leachate drains. Sixth Canadian Environmental engineering Specialty conference, London, Jun 2000, p. 57-65.
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Anthropology (Abstracts) |
Munro, L.E., Longstaffe, F.J., and White, C.D. (2003) Bioapatite recrystallization during burning and its effects on phosphate stable oxygen isotope composition. Geophysical Research Abstracts, v. 5, 12763. European Geophysical Society.
Spence, M.W., Pereira, G.,White, C.D., Longstaffe, F.J. and Law, K.R. (2001) The human skeletons of the Moon Pyramid, Teotihuacan. Abstracts of the 66th Annual Meeting of the Society for American Archaeology, New Orleans, April 18-22, 2001.
White,
C.D. and Longstaffe, F.J. (1999) Infant feeding practices at Altun Ha, Belize:
four stable isotope measures.
American Journal of Physical Anthropology, Supplement 28, Abstracts of
the Annual Meeting, Columbus, Ohio, p. 276-277.
White,
C.D. and Longstaffe, F.J. (1998) Late Dynastic diet at the Kharga Oasis: The
isotopic evidence from skin and hair. Ill
Congreso Mundial de Estudios Sobre Momias. Arica, Chile, May 18-22, 1998, p. 28.
White,
C.D, Longstaffe, F.J. and Law, K. (1997) The isotopic evidence of diet at the
Kharga Oasis, Egypt. Canadian Association for Physical Anthropology, 25th Annual
Meeting, November 6-7, 1997, London, Ontario, p. 26.
White, C.D., Longstaffe, F.J. and Pendergast, D.M. (2002) Temporal change, social structure and diet in the Altun Ha Maya. Symposium to honour Hermann Helmuth, Annual Meeting of the Canadian Association for Physical Anthropology, Winnipeg, October 2001, CAPA Newsletter, v.2002(1), p. 31.
White,
C.D., Pendergast, D. and Longstaffe, F.J. (1999) Diet as a means of social
identification: an isotopic illustration from the Altun Ha Maya, Society for
American Archeology, 64th Annual Meeting, Chicago, Illinois, March 24-28, 1999,
p. 303.
White, C.D., Pohl, M., Longstaffe, F.J. and Schwarcz, H.P. (1998) Isotopic evidence of ritual animal use among the Maya. Annual Meeting of the Canadian Association of Anthropology, Calgary, Alberta.
White,
C.D., Pohl, M.D., Schwarcz, H.P. and Longstaffe, F.J. (1999) Maize, myth and the
Maya: Isotopes and ideology. Fourth
World Archeology Congress, Cape Town, South Africa, January 10-14, p. 012/1.
White, C.D., Pohl, M., Schwarcz, H.P. and Longstaffe, F.J. (1997). Maya husbandry of deer and dog. 62nd Annual Meeting of the Society for American Archeology, Nashville, Tennessee.
White, C.D., Spence, M. and Longstaffe, F.J. (2002) Foreign relations and economics at Teotihuacan: Isotopic evidence from the Merchant’s Barrio. Annual Meeting of the American Association of Physical Anthropologists, Buffalo, April 2002, American Journal of Physical Anthropology, Supplement 34, p. 164.
White, C.D., Spence, M. and Longstaffe, F.J. (2001) Oxygen-isotope evidence for Teotihuacan - Maya relationships. XXVI Mesa Redonda, Migracion: Poblacion, Territorio y cultura, Sociedad Mexicana de Antropologica, Universidad Autónoma de Zacatecas, Mexico, Centro de Estudios Teotihuacanos. Instituto Nacional de Anthropologia e Historia.
White,
C.D., Spence, M.W. and Longstaffe, F.J. (2000) The identification of foreigners
in mortuary contexts using oxygen-isotope ratios:
some Mesoamerican examples. American
Association of Physical Anthropologists, Supplement 30, Abstracts of the Annual
Meeting, San Antonio, Texas, April 12-15, 2000, p. 319.
White, C.D., Spence, M.W. and Longstaffe, F.J. (2000) The victims of the victims: isotopic analysis of the dental “necklaces” from the Feathered Serpent warriors. Annual Meeting of the Canadian Association for Physical Anthropology, Hamilton 2000.
White, C.D. Spence, M.W. and Longstaffe, F.J. (1998) Teotihuacan at Kaminaljuyu? A chemical test of state representation using oxygen isotope ratios. American Journal of Physical Anthropology, Supplement 26, Annual Meeting Issue, Salt Lake City, p. 231.
White,
C.D., Spence, M.W., Longstaffe, F.J., Rattray, E.C. and Law, K.R. (2000) Un análisis
de las proporciones de los isótopos del oxígeno en los entierros del Barrio de
los Comerciantes.
Segunda Mesa Redonda de Teotihuacan (Second Teotihuacan Round Table),
Centre for Teotihuacan Studies, National Institute for Anthropology and History,
November 8-11, 2000, Teotihuacan Archaeological Zone, Mexico, 2 p.
White, C.D., Spence, M.W., Storey, R. and Longstaffe, F.J. (2003) Immigration and ethnicity in two Teotihuacan neighbourhoods: The isotopic evidence. American Association for Physical Anthropology, Annual Meeting, Tempe, Arizona, April 2003, American Journal of Physical Anthropology, Supplement 36, p. 223-224.
White, C.D., Storey, R., Longstaffe, F.J. and Spence, M.W. (2002) Urbanization, immigration and ethnicity at Teotihuacan: An ancient model for modern cities. To: Annual Meeting of the Canadian Association for Physical Anthropology. Ottawa, November 2002.
White, C.D., Williams, J.S., and Longstaffe, F.J. (2003) Isotopic evidence of anemia among the coastal Maya. Canadian Archaeological Association. Hamilton, Ontario, May 7-10, 2003.
White, C.D., Williams, J.S. and Longstaffe, F.J. (2002) Oxygen isotopic composition of bone carbonate: an additional tool to investigate weaning in the Maya Postclassic. To: Annual Meeting of the Canadian Association for Physical Anthropology. Ottawa, November 2002.
Williams, J.S., Longstaffe, F.J. and White, C.D. (2002) A stable isotopic analysis of diet at Marco Gonzalez and San Pedro, Belize. Annual Meeting of the Canadian Association for Physical Anthropology, CAPA Newsletter, v.2002(1), p. 31.
Williams, J.S., White, C.D. and Longstaffe, F.J. (2002) Trophic level and macronutrient shift effects associated with the weaning process in the Maya Postclassic. Annual Meeting of the American Association of Physical Anthropologists, Buffalo, April 2002, American Journal of Physical Anthropology, Supplement 34, p. 165.
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Paleoclimate (Abstracts) |
Ayalon, A. and Longstaffe, F.J. (2001) d13C and d18O variations in soil organic carbon and pedogenic calcite as indications of Late Holocene climate change, southern Great Lakes area, Canada. Israel Geological Society Annual Meeting, Elat, March 2001, p. 8.
Ayalon, A. and Longstaffe F.J. (2000) Indications of Late Holocene climate change from stable isotope variations in soil organic carbon, pedogenic calcite and land snails from the southern Great Lakes region, Canada. Goldschmidt Meeting, Oxford, UK, September 2000.
Longstaffe, F.J. and Ayalon, A. (2000) Soil carbon-isotope records of Late Holocene climate change in the Great Lakes region, southwestern Ontario, Canada. GeoCanada 2000, Calgary, Alberta, May 27-June 2, 2000, CD-ROM Proceedings, Paper #620, 4 p.
Webb, E.A. and Longstaffe, F.J. (2000) Oxygen isotope behaviour of silica phytoliths in Prarie grasses across the Great Plains of North America. Goldschmidt Meeting, Oxford, UK, September 2000.
Webb,
E.A. and Longstaffe, F.J. (1997) Oxygen isotope geochemistry of silica
phytoliths. In:
The State of the Art of
Phytoliths in Soils and Plants. Edited
by A. Pinilla, J. Juan-Tresseras and M.J. Machado; Monografías del Centro de
Ciencias Medioambientales #4: Proceedings
of the First European Conference on Phytolith Science, Madrid, Spain, September
1996, p. 233-244.
Webb,
E.A. and Longstaffe, F.J. (1997) Silica phytoliths as a potential paleoclimatic
indicator. Program with Abstracts, International Clay Conference,
Ottawa, June 15-21, 1997, p. A82.
Webb,
E.A. and Longstaffe, F.J (1997) Climate information obtained from the
oxygen-isotope compositions of biogenic silica deposited in native prairie
grasses. CNIP Workshop on: Water
and Climate Studies in Canada Using Isotopic Tracers:
Past, Present and Future, University of Waterloo, January 31-February 1,
p. 16.
Webb,
E.A. and Longstaffe, F.J. (1997) Climate information obtained from the
oxygen-isotope compositions of biogenic silica deposited in native prairie
grasses. University of Western
Ontario, Third Annual Environmental Science Symposium, April 10, 1997, p. 13.
Webb,
E.A. and Longstaffe, F.J. (1997) The potential for isotopic climate signals in
opaline silica from grasslands. NATO Advanced Study Institute on 'Soils and the
Global Carbon Cycle, Trace Gas Exchange and Hydrology'.
Château de Bonas, France, June 16-27, 1997.
Webb, E.A. and Longstaffe, F.J. (1997) Climate signals in opaline silica from grasslands. Second International Applied Isotope Geochemistry Symposium, Lake Louise, Alberta, September 30 - October 1, 1997.
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Biofilm Mineralization (Abstracts) |
Léveillé,
R.J., Fyfe, W.S. and Longstaffe, F.J. (1998) Evidence for microbial influence in
the formation of carbonate speleothems in basaltic sea caves from Kauai, Hawaii: Implications for the terrestrial carbon cycle.
Geological Society of America Annual Meeting, Toronto, Ontario, October
1998, Abstracts with Programs, v. 30, p. A-157.
Léveillé, R.J., Longstaffe, F.J. and Fyfe, W.S. (2002) Microbial kerolite formation in Hawaiian basaltic caves. Abstracts of the 39th Annual Meeting of the Clay Minerals Society, Boulder, Colorado, June 8-13, 2002, p. 115.
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Stable Isotope Hydrology (Abstracts) |
Crowe,
A.S., Ptacek, C.J., Huddart, P. and Longstaffe, F.J. (1998) The relationship
between groundwater flow and the marsh at Point Pelee National Park, Ontario,
Canada.
Forty-first Conference of the International Association for Great Lakes
Research, Hamilton, Ontario, May 18-22, 1998, p. 104-105.
Crowe,
A.S., Ptacek, C.J., McCrea, R., Huddart, P.A., Longstaffe, F.J., Coakley, J.P.,
Mayer, T., Thompson, D.L. and Shikaze, S.G. (1999) An overview of Environment
Canada's groundwater research activities and Point Pelee National Park, Ontario.
In: Proceedings of the 2nd
Annual Parks Research Forum - Ontario, February 5-6, 1998, Peterborough,
Ontario, p. 225-238
Huddart,
P.A., Longstaffe, F.J. and Crowe, A.S. (1997) A stable isotope study of
groundwater recharge at Point Pelee National Park, Ontario Canada.
CNIP Workshop on: Water and
Climate Studies in Canada Using Isotopic Tracers:
Past, Present and Future, University of Waterloo, p. 15.
Huddart,
P.A., Longstaffe, F.J. and Crowe, A.S. (1997) A stable isotope study of
groundwater recharge at Point Pelee National Park, Ontario Canada. Third Annual
Environmental Science Symposium, April 10, 1997, p. 7.
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Longstaffe,
F.J. (1996) The stable isotope geochemistry of clay minerals, general
principles. In: The Isotope
Geology of Clay Minerals: From
Isotope Crystal Chemistry to Petrogenesis.
Organized by F.J. Longstaffe and T.K. Kyser, Clay Minerals Society
Workshop, June 15th, 1996, Gatlinburg, Tennessee, p. 1-1 to 1-51.
Longstaffe,
F.J. (1996) Clay mineral preparation for stable isotope analysis.
In: The Isotope Geology of
Clay Minerals: From Isotope Crystal
Chemistry to Petrogenesis. Organized
by F.J. Longstaffe and T.K. Kyser, Clay Minerals Society Workshop, June 15th,
1996, Gatlinburg, Tennessee, p. 3-1 to 3-41.
Longstaffe,
F.J. and Mizota, C. (1998) Rapid changes in the oxygen- and hydrogen-isotope
compositions of halloysite during laboratory wetting at 23°C.
Geological Society of America Annual Meeting, Toronto, Ontario, October
1998, Abstracts with Programs, v. 30, p. A-272.
Longstaffe,
F.J., Vitali, F., Bird, M.I. and Caldwell, W.G.E. (2000) Détermination expérimentale,
à températures inférieures à 60°C, des coefficients de fractionnement
isotopique en oxygène et en hydrogène entre Al(OH)3 et l’eau.
18`e Réunion des Sciences de la Terre, Paris, France, April 17-20, 2000, p.
182.
Fagan,
R. and Longstaffe, F.J. (1997) Hydrogen-isotope exchange in smectite?
Program with Abstracts, International Clay Conference, Ottawa, June
15-21, 1997, p. A97.
Vitali, F., Longstaffe, F.J., McCarthy, P.J., Plint, A.G., and Caldwell, W.G.E. (2000) Étude minéralogique et isotopique (O,H) des argiles d’un paléosol interfluve Cénomanien de la formation de Dunvegan (N.E. Colombie Britannique, Canada). 18`e Réunion des Sciences de la Terre, Paris, France, April 17-20, 2000, p. 248.
Vitali,
F., Longstaffe, F.J., Bird, M.I. and Caldwell, W.G.E. (1999) Oxygen-isotope
fractionation between Al-hydroxide and water:
decade-long synthesis experiments at ≤60°C.
AGU F
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Ayalon, A., Calvo, R., Donaldson, S. and Longstaffe, F.J. (2000) Fluid evolution in the Miocene Hazeva Formation, Dead Sea Valley, southern Isreal. GeoCanada 2000, Calgary, Alberta, May 27-June 2, 2000, CD-ROM Proceedings, Paper #628, 2p.
Calvo, R., Donaldson, S., Longstaffe, F.J. and Ayalon, A. (2001) Diagenetic history and fluid evolution of the Hazeva Formation, Dead Sea Valley, southern Israel. Israel Geological Society Annual Meeting, Elat, March 2001, p. 21.
Colquhoun, I. and Longstaffe, F.J. (2000)
Calcite-cemented sandstones in the Clearwater Formation oil-sands, Alberta.
GeoCanada 2000,
Calgary, Alberta, May 27-June 2,
2000, CD-ROM Proceedings, Paper #666, 4 p.
He,
S., Longstaffe, F.J., Gage, K. L. and Dudley, J. (1999) Clay minerals and
water-rock interaction during steaming of Alberta Clearwater oil sands.
Thirty-sixth Annual Meeting of the Clay Mineral Society, 1999, Purdue
University, June 26-July 1, 1999, p. 47.
McCarthy,
P.J., Plint, A.G. and Longstaffe, F.J. (1997) Identification and genesis of
interfluve sequence-bounding paleosols, Cenomanian Dunvegan Formation, British
Columbia, Canada. Eighteenth
Regional European Meeting of the International Association of Sedimentologists,
Heidelberg, Germany, September 2-4, 1997. Abstract
Volume, p. 235.
McCarthy,
P.J., Plint, A.G. and Longstaffe, F.J. (1997) Recognition and interpretation of
interfluve sequence boundaries, Upper Cretaceous Dunvegan Formation, NE British
Columbia. Joint Annual Convention of the SEPM - CSPG, p. 186.
McKay,
J.L. and Longstaffe, F.J. (1998) Tracking steam-floods through the stable
isotope variations of clay minerals in the Alberta oil-sands.
Thirty-fifth Annual Meeting of the Clay Mineral Society, 1998, Cleveland,
Ohio, June 6-10, 1998, p. 104.
Spötl,
C., Kunk, M.J. and Longstaffe, F.J. (1997) Constraining brine-rock interactions
and thermal evolution of carbonate rocks by isotopic age dating of authigenic
K-feldspar, Northern Calcareous Alps, Austria.
Geofluids II, Belfast, Ireland, March 10-14, 1997.
Edited by J.P. Hendry, P.F. Carey, J. Parnell, A.H. Ruffell and R.H.
Worden, p. 53-54.
Tang,
Z. and Longstaffe, F.J. (1997) Stable isotope evidence for paleoenvironment from
early diagenetic carbonates: the
Upper Permian Pingdiquan Formation, Junggar Basin, northwest China.
Joint Annual Convention of the SEPM - CSPG, p. 275.
Tang, Z., Longstaffe, F.J. and Parnell, J. (1997) Zeolite cementation and effects on reservoir quality of Permo-Triassic, volcanogenic sandstones from the Junggar Basin, northwest China. Joint Annual Convention of the SEPM - CSPG, p. 275.
Vitali,
F., Longstaffe, F.J., McCarthy, P.J., Plint, A.G., and Caldwell, W.G.E. (2000)
Étude minéralogique et isotopique (O, H) des argiles d’un paléosol
interfluve Cénomanien de la formation de Dunvegan (N.E. Colombie Britannique,
Canada). 18`e Réunion des Sciences
de la Terre, Paris, France, April 17-20, 2000, p. 248.
Ziegler,
K. and Longstaffe, F.J. (1998) Clay mineral authigenesis along a mid-continental
scale fluid-conduit in Paleozoic rocks from SW Ontario, Canada.
The Sixth Cambridge Diagenesis Conference "Mineral Diagenesis and
the Reservoir Quality - the way forward". Organized by the Mineralogical
Society et al., Cambridge, March 26-27, p. 14.
Ziegler,
K. and Longstaffe, F.J. (1997) Hydrogen isotopes from clay minerals and fluid
flow along the Precambrian/Cambrian unconformity in SW Ontario, Canada.
Geofluids II, Belfast, Ireland, March 10-14, 1997.
Edited by J.P. Hendry, P.F. Carey, J. Parnell, A.H. Ruffell and R.H.
Worden, p. 343-346.
Ziegler,
K. and Longstaffe, F.J. (1997) The stable isotope geochemistry of alteration
minerals in Precambrian and Paleozoic rocks in SW Ontario:
Indications for the origin of mineralizing fluids.
Second International Applied Isotope Geochemistry Symposium, Lake Louise,
Alberta, September 30 - October 1, 1997.
Ziegler,
K., Longstaffe, F.J. and Wadleigh, M. (1999) Isotope geochemistry of diagenetic
phases as an indicator of multiple fluid sources in an inter-basinal arch
setting. Third International Symposium on Applied Isotope
Geochemistry. Orléans, France,
September 21-25, 1999, p. 105-106.
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Geochemistry of Igneous & Metamorphic Systems (Abstracts) |
Araujo,
S.M., Longstaffe, F.J. and Scott, S.D. (1996) Effects of the high-grade
metamorphism on the oxygen isotope composition of the alteration zones
associated with the Palmeirópolis volcanogenic massive sulfide deposit,
Tocantins State, Brazil. 39th
Congresso Brasileiro de Geologia, Salvador, September 1-7, 1996.
Proceedings, v. 7, p. 339-342.
Araujo,
S.M., Scott, S.D. and Longstaffe, F.J. (1997) The Palmeirópolis volcanogenic
massive sulfide deposit, Brazil: an example of oxygen isotope re-equilibration
during amphibolite facies regional metamorphism. Vokes Symposium on
'Formation and
Armstrong,
J.P., Barnett, R.L., and Longstaffe, F.J. (1999) Preliminary mineralogical and
stable isotope studies of the Leith Lake sövite dykes:
an Archean mantle sample. Yellowknife
Geosciences Forum, Nov. 24-26, 1999.
Barriga,
F.J.A.S., Ribeiro, A., Fyfe, W.S., Longstaffe, F.J., Mateus, A., Dias, R. and
Cabral, J. (1995) Mineralizações auro-argentiferas associadas à Falha da
Vilariçia no sector de quintela de Lampaças.
Projecto n° PMCT/C/CEN/103/90 do programa Mobilizador em Ciência e
Tecnologia, J.N.I.C.T. (Portugal), Relatório Final, 110 p.
Kontak, D.J., DeWolfe, J., and Longstaffe, F.J. (2001) Geological investigations of the Coxheath Cu-Mo-Au System, Cape Breton Island, Nova Scotia: Structurally controlled porphyry-type mineralization. Geological Association of Canada, Program with Abstracts, v. 26, p.78.
Mesquita, M.J., Samson, I.M., Longstaffe, F.J., Fyfe, W.S. and Hartmann, L.A. (2000) Fluid evolution of vein-type gold deposits, Porto Nacional Province, Tocantins – Brazil: fluid inclusion and oxygen-isotope evidence. Rio Meeting.
Pevear,
D.R., Vrolijk, P.J. and Longstaffe, F.J. (1997) Timing of Moab Fault
displacement and fluid movement integrated with burial history using radiogenic
and stable isotopes. Geofluids II, Belfast, Ireland, March 10-14, 1997.
Edited by J.P. Hendry, P.F. Carey, J. Parnell, A.H. Ruffell and R.H.
Worden, p. 42-45.
Relvas, J.M.R.S., Barriga, F.J.A.S. and Longstaffe, F.J. (1997) Oxygen isotope geochemistry of Neves Corvo tin ores. Proceedings of the SEG Neves Corvo Field Conference, Lisbon, Portugal, May 11-14, 1997.
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