UC Spark

Professor Steve Weaver

Geological Sciences; AVC Research Office

Fields of Research

  • Origin of continental crust
  • Tectonic development of New Zealand
  • Igneous petrology and geochemistry
  • Volcanic rocks and granitoids of N.Z. and Antarctica
  • Geochronology
  • X-Ray fluorescence geochemical analysis of geological and plant material

Researcher Summary

Igneous Petrology and Geochemistry, and the relationship between magma chemistry and tectonics. Geochemistry, geochronology and tectonic evolution of the southern Pacific rim, particularly New Zealand, Antarctica and Chile. X-ray fluorescence trace element geochemistry of geological and biological materials and applications in environmental science.

Subject Area: Disciplines

Affiliations

Research Service

  • Assistant Vice-Chancellor (Research) (2010-present)
  • Board member, GNS Science (2010-present)
  • Chair, University of Canterbury Research Committee (2010-present)
  • Executive member, Canterbury Medical Research Foundation (2010-present)
  • Member, UNZ Scholarships Committee (2010-present)
  • Dean of Postgraduate Research (2008-2010)
  • Member, Tertiary Education Commission Sector Reference Group (2008-2010)
  • Member, Royal Society of New Zealand Fellowship Selection Committee (2007-2009)
  • Member, University of Canterbury Council (2007-2010)
  • Deputy Chair, Physical Sciences PBRF Assessment Panel (2006)

Publications


Journal Article
  • Bolhar, R., Ring, U., Kemp, A.I.S., Whitehouse, M.J., Weaver, S.D., Woodhead, J.D., Tonguc Uyssal, I. and Turnbull, R. (2012) An integrated zircon geochronological and geochemical investigation into the Miocene plutonic evolution of the Cyclades, Aegean Sea, Greece: part 2 - geochemistry. Contributions to Mineralogy and Petrology 164(6): 915-933. http://doi:10.1007/s00410-012-0759-z.
  • Turnbull, R.E., Deering, C.D., Tulloch, A.J. and Weaver, S.D. (2012) Second boiling effects on the Al-content of hornblende rims from an exhumed Cretaceous arc pluton, Stewart Island, New Zealand. American Mineralogist 97(7): 1129-1144. http://dx.doi.org/10.2138/am.2012.3967.
  • Turnbull, R., Weaver, S., Tulloch, A., Cole, J., Handler, M. and Ireland, T. (2010) Field and geochemical constraints on Mafic-Felsic Interactions and Processes in High-Level Arc Magma Chambers: an example from the Halfmoon Pluton, New Zealand. Journal of Petrology 51(7): 1477-1505. http://dx.doi.org/10.1093/petrology/egq026.
  • Bradshaw, J.D., Gutjahr, M., Weaver, S.D. and Bassett, K.N. (2009) Cambrian intra-oceanic arc accretion to the austral Gondwana margin: constraints on the location of proto-New Zealand. Australian Journal of Earth Sciences 56(4): 587-594. http://dx.doi.org/10.1080/08120090902806339.
  • Timms, C., Hoernle, K., van den Bogaard, P., Bindeman, I. and Weaver, S.D. (2009) Mantle melts versus crustal contamination: geochemical evolution of intraplate volcanism at Banks Peninsula, New Zealand. Journal of Petrology 50: 989-1023.
  • Bolhar, R., Palin, J.M., Weaver, S.D., Cole, J.W. and Whitehouse, M.J. (2008) Sources and igneous processes inferred from coupled O- and Hf-isotope systematics of plutonic zircons from the Cretaceous Separation Point Suite (New Zealand). Earth and Planetary Science Letters 268(3-4): 312-324. http://dx.doi.org/10.1016/j.epsl.2008.01.022.
  • Bolhar, R., Weaver, S.D., Palin, J.M., Cole, J.W. and Paterson, L.A. (2008) Systematics of zircon crystallisation in the Cretaceous Separation Point Suite, New Zealand, using U/Pb isotopes, REE and Ti geothermometry. Contributions to Mineralogy and Petrology 156(2): 133-160. http://dx.doi.org/10.1007/s00410-007-0278-5.
  • Wilson, C.J.N., Rhoades, D.A., Lanphere, M.A., Calvert, A.T., Houghton, B.F., Weaver, S.D. and Cole, J.W. (2007) A multiple-approach radiometric age estimate for the Rotoiti and Earthquake Flat eruptions, New Zealand, with implications for the MIS 4/3 boundary. Quaternary Science Reviews 26(13-14): 1861-1870. http://dx.doi.org/10.1016/j.quascirev.2007.04.017.
  • Ewing, T.A., Weaver, S.D., Bradshaw, J.D., Turnbull, I.M. and Ireland, T.R. (2007) Loch Burn Formation, Fiordland, New Zealand: SHRIMP U-Pb ages, geochemistry and provenance. New Zealand Journal of Geology and Geophysics 50(3): 167-180.
  • Gutjahr, M., Bradshaw, J.D., Weaver, S., Münker, C. and Ireland, T. (2006) Provenance of Cambrian conglomerates from New Zealand: implications for the tectonomagmatic evolution of the SE Gondwana margin. Journal of the Geological Society 163(6): 997-1010. http://dx.doi.org/10.1144/0016-76492005-009.
  • Li, Z., Clemens, A.H., Moore, T.A., Gong, D., Weaver, S.D. and Eby, N. (2005) Partitioning behaviour of trace elements in a stoker-fired combustion unit: An example using bituminous coals from the Greymouth coalfield (Cretaceous), New Zealand. International Journal of Coal Geology 63: 98-116.
  • Wandres, A.M., Bradshaw, J.D., Weaver, S., Maas, R., Ireland, T. and Eby, N. (2004) Provenance analysis using conglomerate clast lithologies: a case study from the Pahau terrane of New Zealand. Sedimentary Geology 167(1-2): 57-89.
  • Wandres, A.M., Bradshaw, J.D., Weaver, S., Maas, R., Ireland, T. and Eby, N. (2004) Provenance of the sedimentary Rakaia sub-terrane, Torlesse Terrane, South Island, New Zealand: The use of igneous clast compositions to define the source. Sedimentary Geology 168(3-4): 193-226.
  • Scott, E.C., Matzke, N.J., Branch, G. and 284 other authors. (2004) The Morphology of Steve.. Annals of Improbable Research July-August: 24-30.
  • Laird, M.G., Bassett, K.N., Scholer, P., Morgans, H.E.G., Bradshaw, J.D. and Weaver, S.D. (2003) Paleoenvironmental and tectonic changes across the Cretaceous/Tertiary boundary at Tora, SE Wairarapa, New Zealand: a link between Marlborough and Hawke's Bay. New Zealand Journal of Geology and Geophysics 46(2): 275-291.
  • Laird, M.G., Bassett, K.N., Schioler, P., Morgans, H.E.G., Bradshaw, J.D. and Weaver, S.D. (2003) Paleoenvironmental changes across the Cretaceous/Tertiary boundary at Tora, Southeast Wairarapa: the missing link between Marlborough and Hawke's Bay. New Zealand Journal of Geology and Geophysics 46(2): 275-293.
  • Li, Z., Moore, T.A., Weaver, S.D. and Finkelman, R.B. (2001) Crocoite: an unusual mode of occurrence for lead in coal.. International Journal of Coal Geology 45: 289--293.
  • Li, Z., Moore, T.A. and Weaver, S.D. (2001) Leaching of inorganics in the Cretaceous Greymouth coal beds, South Island, New Zealand. International J. Coal Geology 47: 235--253.
  • Muir, R.J., Bradshaw, J.D., Weaver, S.D. and Laird, M.G. (2000) The influence of basement structure on the evolution of the Taranaki Basin, New Zealand. Journal of the Geological Society 157(6): 1179-1185.
  • Hoke, L., Poreda, R., Reay, A. and Weaver, S.D. (2000) The subcontinental mantle beneath southern New Zealand characterised by helium isotopes past and present. Geochimica et Cosmochimica Acta 64: 2489--2507.
  • Hildyard, S.C., Cole, J.W. and Weaver, S.D. (2000) Tikorangi Ignimbrite: a 0.89 Ma mixed andesite-rhyolite ignimbrite, Matahana Basin, Taupo Volcanic Zone, New Zealand. New Zealand Journal of Geology and Geophysics 43(1): 95-107.
  • Beresford, S.W., Cole, J.W. and Weaver, S.D. (2000) Weak chemical and mineralogical zonation in the Kaingaroa Ignimbrite, Taupo Volcanic Zone, New Zealand. New Zealand Journal of Geology and Geophysics 43(4): 639-650.
  • Storey, B.C., Leat, P.T., Weaver, S.D., Pankhurst, R.J., Bradshaw, J.D. and Kelley, S. (1999) Mantle plumes and Antarctica-New Zealand rifting: evidence from mid-Cretaceous mafic dykes. J. Geological Society of London 156(4): 659-671.
  • Pankhurst, R.J., Weaver, S.D., Herve, F. and Larrondo, P. (1999) Mesozoic-Cenozoic evolution of the North Patagonian Batholith in Aysen, southern Chile.. J. Geol. Soc. Londo (156): 673--694.
  • Hobden, B.J., Houghton, B.F., Davidson, J.P. and Weaver, S.D. (1999) Small and short-lived magma batches at composite volcanoes: time windows at Tongariro volcano, New Zealand.. J. Geological Society of London 156: 865--868.
  • Waight, T.E., Weaver,S.D., Muir, R.J., Maas, R. and Eby, G.N. (1998) Bimodal Late Cretaceous alkaline magmatism and the opening of the Tasman Sea, West Coast, South Island, New Zealand.. Aust. J. Earth Sciences 1998(45): 823--835.
  • Wandres, A., Weaver, S.D., Shelley, D. and Bradshaw, J.D. (1998) Change from calc-alkaline to adakitic magmatism recorded in the Early Cretaceous Darran Complex, Fiordland, New Zealand.. NZ J. Geol. Geophys 41: 1--14.
  • Muir, R.J., Ireland, T.E., Weaver, S.D., Bradshaw, J.D., Evans, J.A., Eby, G.N. and Shelley, D. (1998) Geochronology and geochemistry of a Mesozoic magmatic arc system, Fiordland, New Zealand.. J. Geological Society of London 155: 1037-1053.
  • Pankhurst, R.J., Weaver, S.D., Bradshaw, J.D., Storey, B.C. and Ireland, T.R. (1998) Geochronology and geochemistry of pre-Jurassic superterranes in Marie Byrd Land, Antarctica.. J. Geophysical Research 103B: 2529-2547.
  • Waight, T.E., Weaver, S.D. and Muir, R.J. (1998) Mid-Cretaceous granitic magmatism during the transition from subduction to extension in southern New Zealand: a chemical and tectonic synthesis. Lithos 45: 469--482.
  • Waight, T.E., Weaver, S.D., Muir, R.J., Maas, R. and Eby, G.N. (1998) The Hohonu Batholith of North Westland, New Zealand: granitoid compositions controlled by source H2O contents and generated during tectonic transition. Contributions to Mineralogy and Petrology 130: 225--239.
  • Waight, T.E., Weaver, S.D., Ireland, T.R., Maas, R., Muir, R. and Shelley, D. (1997) Field characteristics, petrography, and geochronology of the Hohonu Batholith and the adjacent Granite Hill complex. North Westland, New Zealand.. N.Z. J. Geol. Geophys 40: 1--17.
  • Muir, R.J., Ireland, T.R., Weaver, S.D., Bradshaw, J. D., Waight, T.E., Jongens, R. and Eby, G.N. (1997) SHRIMP U-Pb geochronology of Cretaceous magmatism in NW Nelson-Westland, South Island, New Zealand.. NZ J. Geol. Geophys 40: 453-463.
Edited Book
  • Mader, H.M., Manga, M., Koyaguchi, T. and Weaver, S.D. (Ed.) (2004) The Role of Laboratory Experiments in Volcanology. Amsterdam: Elsevier. 236.
  • Cas, R., Wildner, W. and Weaver, S.D. (Ed.) (2002) Volcanism and Associated Regimes - The Complexity of Volcanic Systems. Amsterdam (special issue): Elsevier. 283p.
Chapter in Book
  • Vogel, M.B., Ireland, T.R. and Weaver, S.D. (2002) The multistage history of the Queen Maud Batholith La Gorce Mountains, central Transantarctic Mountains. In Gamble, J.A., Skinner, D.N.B., Henrys, S. (Ed.), Antarctica at the close of a Millenium: 153--159. Wellington: Royal Society of New Zealand.
  • Bradshaw, J.D., Pankhurst, R.J., Weaver, S.D., Storey, B.C., Muir, R.J. and Ireland, T.R. (1997) New Zealand Superterranes recognized in Marie Byrd Land and Thurston Island.. In Ricci, C.A. (Ed.), The Antartic Region: Geological Evolution and Processes: 429-436. Siena: Terra Antartica Publications.