UC Spark

Associate Professor John Dudley Bradshaw

Geological Sciences
Phone: +64 3 364 2987 ext. 7487
 Office: Geology 409

Fields of Research

  • Geology of New Zealand Northern Victoria Land and Marie Byrd Land, Antarctica
  • Structural and historical geology
  • Tectonic development of the South Pacific rim
  • Tectonic develpment of Chile and western Argentina
  • Tectonic terranes of New Zealand and South-West Pacific

Researcher Summary

Tectonics, structure and history of the southern rim of the Pacific, particularly New Zealand, Antarctica and South America. Terrane analysis. Provenance and structure of the Torlesse accretionary prism. Provenance and tectonic setting of Cambrian-Ordovician rocks of New Zealand and Antarctica.

Subject Area: Disciplines

Affiliations

Publications


  • Vaughan, A.P.M., Thomson, M.R.A., Holland, C.H. and Bradshaw, J.D. (2013) Lower Palaeozoic orthocone nautiloids in the View Point conglomerate, Antarctic Peninsula. Antarctic Science (in press) http://dx.doi.org/10.1017/S0954101200065X. (Journal Article)
  • Bradshaw, J.D., Vaughan, A.P.M., Millar, I.L., Flowerdew, M.J., Trouw, R.A.J., Fanning, C.M. and Whitehouse, M.J. (2012) Permo-Carboniferous conglomerates in the Trinity Peninsula Group at View Point, Antarctic Peninsula: sedimentology, geochronology and isotope evidence for provenance and tectonic setting in Gondwana. Geological Magazine 149(4): 626-644. http://dx.doi.org/10.1017/S001675681100080X. (Journal Article)
  • Mortimer, N. and Bradshaw, J. (2008) Finding our Roots. In I.G. Graham (Ed.), A Continent on the Move: New Zealand Geoscience into the 21st Century: 80-81. Wellington: Geological Society of New Zealand. (Chapter in Book)
  • Bradshaw, J.D. (2008) The Ross Orogen and Lachlan Fold Belt in Marie Byrd Land, Northern Victoria Land and New Zealand: Implication for the Tectonic Setting of the Lachlan Fold Belt in Antarctica. Santa Barbara, CA, USA: Antarctica: A Keystone in a Changing World - Online Proceedings for the 10th International Symposium on Antarctic Earth Sciences, 26 Aug-1 Sep 2007. (Conference Contribution - Paper in published proceedings)
  • 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. (Journal Article)
  • Bradshaw, J.D. (2007) The Ross Orogen and Lachlan Fold Belt in Marie Byrd Land, Northern Victoria Land and New Zealand: Implication for the tectonic setting of the Lachlan Fold Belt in Antarctica. University of California, Santa Barbara, CA, USA: 10th International Symposium on Antarctic Earth Sciences (ISAES 2007), 26-31 Aug 2007. In Antarctica: Keystone in a Changing World 059. http://dx.doi.org/10.3133/of2007-1047.srp059. (Conference Contribution - Paper in published proceedings)
  • 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. (Journal Article)
  • Wandres, A.M. and Bradshaw, J.D. (2005) New Zealand tectonostratigraphy and implications from conglomeratic rocks for the configuration of the SW Pacific margin of Gondwana. In A.P.M. Vaughan, P.T. Leat and R.J. Pankhurst (Ed.), Terrane Processes at the Margins of Gondwana (Special Publication 246 ed.): 179-216. London: The Geological Society. (Chapter in Book)
  • Campbell, J.K., Bradshaw, J.D. and Pettinga, J.R. (2005) Structure, Stratigraphy and Active Tectonics of Inland, North Canterbury (Trips 3A and 3B). Kaikoura, New Zealand: Geological Society of New Zealand 50th Annual Conference, Kaikoura, New Zealand, 28 Nov 2005. In Geological Society of New Zealand Miscellaneous Publication 119B 49-83. (Conference Contribution - Paper in published proceedings)
  • Wandres, A.M., Bradshaw, J.D. and Ireland, T. (2005) The Paleozoic–Mesozoic recycling of the Rakaia Terrane, South Island, New Zealand: sandstone clast and sandstone petrology, geochemistry, and geochronology. New Zealand Journal of Geology and Geophysics 48(2): 229-245. (Journal Article)
  • Bradshaw, J.D. (2004) Northland Allochthon: an alternative hypothesis of origin. New Zealand Journal of Geology and Geophysics 47(2004): 375-382. (Journal Article)
  • 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. (Journal Article)
  • 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. (Journal Article)
  • Laird, M.G. and Bradshaw, J.D. (2004) The break-up of a long term relationship: the Cretaceous separation of New Zealand from Gondwana. Gondwana Research 7(1): 273-286. http..www.gondwanaresearch.com. (Journal Article)
  • 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. (Journal Article)
  • 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. (Journal Article)
  • Jongens, R., Bradshaw, J D. and Fowler, A.P. (2003) The Balloon Melange, northwest Nelson: origin, structure, and emplacement. New Zealand Journal of Geology and Geophysics 46: 437-448. (Journal Article)
  • Bradshaw, J.D., Laird, M.G. and Weaver, S.D. (2002) Paleozoic terranes, Gondwana breakup and the modern plate boundary. Christchurch, New Zealand: Gondwana 11 (Eleventh International Gondwana Conference 2002), Aug 2002. In Post conference field excursion guide 46p. (Conference Contribution - Other)
  • Vaughan, A.., Trouw., R., Bradshaw., J., Dean., A., Millar. and I. (2002) The geology od northern Graham Land, including northern Gerlache Strait localities, and parts of eastern Trinity Peninsula from Mount Cardinal to Sobral Peninsula, with special emphasis on View Point. British Antarctic Survey Report. British Antarctic Survey Reports # R/2001- GL3.: 1-57.. British Antarctic Survey. (Other)
  • Bassett, K.N., Weaver, S., Bradshaw, J.D. and Ireland, T. (2001) Conglomerate Provenance and Geochronology: Dating the Accretion of an Intra-Oceanic Arc, Bowers Terrane, Antarctica. San Francisco, CA, USA: American Geophysical Union Fall Annual Meeting, 10-14 Dec 2001. (Conference Contribution - Full conference paper)
  • 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. (Journal Article)
  • Bradshaw, J.D., Weaver, S.D. and Bradshaw, M.A. (1999) Basement Geology of the West Coast, South Island, with particular reference to Antarctic Correlatives. Victoria University, Wellington, New Zealand: 8th International Symposium on Antarctic Earth Sciences., 1999. 95-169. (Conference Contribution - Other)
  • 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. (Journal Article)
  • 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. (Journal Article)
  • 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. (Journal Article)
  • 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. (Journal Article)
  • Bradshaw, J.D., Weaver, S.D., Pankhurst, R.J. and Storey, B.C. (1998) Segmented oblique convergence: 100 million year history of ridge-trench interaction on the Pacific -Gondwana margin. Journal of African Earth Sciences 27(1A): 36. (Journal Article)
  • Bradshaw, J.D., Yetton, M. and Shelley, D. (1998) The plate boundary and the South Island West Coast. Christchurch: Geological Society of NZ Miscellaneous Publication No. 101B, Field Trip Guides, Field Trip 5., 1998. 30. (Conference Contribution - Other)
  • Bradshaw, J.D., Weaver, S.D., Storey, B.C. and Pankhurst, R.J. (1997) Geotectonic events and terranes of the southern margin of the Pacific: diachronous response to oblique motions.. Christchurch, New Zealand: Terrane Dynamics - 97, Proceedings of 7th International Conference on Terrane Geology, 1997. 26-29. (Conference Contribution - Other)
  • 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. (Chapter in Book)
  • 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. (Journal Article)
  • Bradshaw, J.D. and Weaver, S.D. (Editors). (1997) Terrane Dynamics - 97. Christchurch, New Zealand: Proceedings of 7th International Conference on Terrane Geology, 1997. 178pp. (Conference Contribution - Other)