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Associate Professor James Scott

James Scott

Associate Professor
Division of Sciences Early Career Teacher of the Year (2017)
University of Otago Early Career Award for Distinction in Research (2017)
Otago University Top 12 Post-graduate Supervisors (2014)
Otago University Division of Science Post-graduate Supervisor of the Year (2014)

Office – Gn5
Tel +64 3 479 7520
Email james.scott@otago.ac.nz
Google Scholar: James M. Scott
ORCID orcid.org/0000-0001-5185-6261

Mt Irene, the prominent peak in the distance, is composed of a metasedimentary upper plate separated from a meta-igneous lower plate by the extensional Mt Irene Shear Zone. Murchison Mountains, Fiordland.1. Mt Irene, the prominent peak in the distance, is composed of a metasedimentary upper plate separated from a meta-igneous lower plate by the extensional Mt Irene Shear Zone. Murchison Mountains, Fiordland. A rare fine-weather day in Port Ross in the Sub-Antarctic Auckland Islands.2. A rare fine-weather day in Port Ross in the Sub-Antarctic Auckland Islands. Postdoctoral Fellow Matt Tarling and undergraduate students traversing Haast Schist on the shores of Lake Hawea3. Postdoctoral Fellow Matt Tarling and undergraduate students traversing Haast Schist on the shores of Lake Hawea. Red Mountain in the Southern Alps is a slice of accreted oceanic lithospheric mantle4. Red Mountain in the Southern Alps is a slice of accreted oceanic lithospheric mantle

Teaching

Research interests

  • Meteorites, solar nebula and planetary geology
  • Earth’s mantle composition, history, melting
  • Metamorphism, mineralisation and fluid flow
  • Subduction zones and element redistribution
  • Environmental geochemistry
  • Zealandia’s tectonics

Visit the Structure, Environment, Reaction, Petrology (SERP) group research page for more information

Postgraduate students

Postgraduate students supervised by James Scott

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Publications

Auer, A., Brenna, M., & Scott, J. M. (2020). Influence of host magma alkalinity on trachytic melts formed during incongruent orthopyroxene dissolution in mantle xenoliths. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1766519

Allibone, A., Blakemore, H., Jongens, R., Scott, J., Moore, J., MacKenzie, D., & Craw, D. (2020). Structural settings of gold deposits within the Reefton goldfield, western New Zealand. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1717554

Mortimer, N., & Scott, J. M. (2020). Volcanoes of Zealandia and the Southwest Pacific. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1713824

Scott, J. M., Pontesilli, A., Brenna, M., White, J. D. L., Giacalone, E., Palin, J. M., & le Roux, P. J. (2020). The Dunedin Volcanic Group and a revised model for Zealandia's alkaline intraplate volcanism. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2019.1707695

Scott, J. M. (2020). An updated catalogue of New Zealand’s mantle peridotite and serpentinite. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1776738

Journal - Research Article

Auer, A., Brenna, M., & Scott, J. M. (2020). Influence of host magma alkalinity on trachytic melts formed during incongruent orthopyroxene dissolution in mantle xenoliths. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1766519

Scott, J. M. (2020). An updated catalogue of New Zealand’s mantle peridotite and serpentinite. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1776738

Scott, J. M., Pontesilli, A., Brenna, M., White, J. D. L., Giacalone, E., Palin, J. M., & le Roux, P. J. (2020). The Dunedin Volcanic Group and a revised model for Zealandia's alkaline intraplate volcanism. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2019.1707695

Mortimer, N., & Scott, J. M. (2020). Volcanoes of Zealandia and the Southwest Pacific. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1713824

Allibone, A., Blakemore, H., Jongens, R., Scott, J., Moore, J., MacKenzie, D., & Craw, D. (2020). Structural settings of gold deposits within the Reefton goldfield, western New Zealand. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1717554

Xu, Y., Liu, J., Xiong, Q., Su, B.-X., Scott, J. M., Xu, B., … Pearson, D. G. (2020). The complex life cycle of oceanic lithosphere: A study of Yarlung-Zangbo ophiolitic peridotites, Tibet. Geochimica et Cosmochimica Acta. Advance online publication. doi: 10.1016/j.gca.2020.03.024

Tay, S. L., Scott, J. M., Palmer, M. C., Reid, M. R., & Stirling, C. H. (2020). Occurrence, geochemistry and provenance of REE-bearing minerals in marine placers on the West Coast of the South Island, New Zealand. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1736585

Scanlan, E. J., Scott, J. M., & le Roux, P. J. (2020). Pyrometamorphosed Otago Schist xenoliths cause minor contamination of Dunedin Volcanic Group basanite. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1767659

Ritchie, T. W., Scott, J. M., & Craw, D. (2019). Garnet compositions track longshore migration of beach placers in western New Zealand. Economic Geology, 114(3), 513-540. doi: 10.5382/econgeo.4647

Tarling, M. S., Smith, S. A. F., & Scott, J. M. (2019). Fluid overpressure from chemical reactions in serpentinite within the source region of deep episodic tremor. Nature Geoscience, 12, 1034-1042. doi: 10.1038/s41561-019-0470-z

Wellnitz, A. K., Scott, J. M., Martin, C. E., Palin, J. M., Stirling, C. H., Reid, M. R., … Craw, D. (2019). Carbonation reactions and coupled element and isotope redistribution during shallow crustal gold mineralisation, New Zealand. Mineralium Deposita, 54, 743-760. doi: 10.1007/s00126-018-0838-9

Scott, J. M., Liu, J., Pearson, D. G., Harris, G. A., Czertowicz, T. A., Woodland, S. J., … Luth, R. W. (2019). Continent stabilisation by lateral accretion of subduction zone-processed depleted mantle residues: Insights from Zealandia. Earth & Planetary Science Letters, 507, 175-186. doi: 10.1016/j.epsl.2018.11.039

Robinson, B. A., & Scott, J. M. (2019). Late Devonian contact metamorphism and a possible upper age to gold mineralisation in the northernmost portion of the Reefton Goldfield. New Zealand Journal of Geology & Geophysics, 62(1), 121-130. doi: 10.1080/00288306.2018.1534745

Dwight, T., Scott, J. M., & Schwartz, J. J. (2019). Emplacement and Paleozoic and Cretaceous recrystallisation of the Broughton Arm Peridotite in Western Fiordland, New Zealand. New Zealand Journal of Geology & Geophysics, 62(1), 72-86. doi: 10.1080/00288306.2018.1528989

Tarling, M. S., Smith, S. A. F., Scott, J. M., Rooney, J. S., Viti, C., & Gordon, K. C. (2019). The internal structure and composition of a plate-boundary-scale serpentinite shear zone: The Livingstone Fault, New Zealand. Solid Earth, 10(4), 1025-1047. doi: 10.5194/se-10-1025-2019

Scott, J. M., & Turnbull, I. McG. (2019). Geology of New Zealand’s Sub-Antarctic Islands. New Zealand Journal of Geology & Geophysics, 62(3), 291-317. doi: 10.1080/00288306.2019.1600557

Blake, F., Grant, K., MacKenzie, D., Scott, J., & Craw, D. (2019). Surficial arsenic redistribution above gold-mineralised zones in East Otago, New Zealand. New Zealand Journal of Geology & Geophysics, 62(4), 573-587. doi: 10.1080/00288306.2019.1647854

van der Meer, Q. H. A., Scott, J. M., Serre, S. H., Whitehouse, M. J., Kristoffersen, M., Le Roux, P. J., & Pope, E. C. (2019). Low-δ18O zircon xenocrysts in alkaline basalts: A window into the complex carbonatite-metasomatic history of the Zealandia lithospheric mantle. Geochimica et Cosmochimica Acta, 254, 21-39. doi: 10.1016/j.gca.2019.03.029

Dickie, J. E., Scott, J. M., Sagar, M. W., & Blakemore, H. (2019). Cretaceous igneous-related mineralisation in the Reefton Goldfield, New Zealand. New Zealand Journal of Geology & Geophysics, 62(1), 87-99. doi: 10.1080/00288306.2018.1529684

Li, P., Scott, J. M., Liu, J., & Xia, Q.-k. (2018). Lateral H2O variation in the Zealandia lithospheric mantle controls orogen width. Earth & Planetary Science Letters, 502, 200-209. doi: 10.1016/j.epsl.2018.09.004

Brenna, M., Cronin, S. J., Smith, I. E. M., Tollan, P. M. E., Scott, J. M., Prior, D. J., … Ukstins, I. A. (2018). Olivine xenocryst diffusion reveals rapid monogenetic basaltic magma ascent following complex storage at Pupuke Maar, Auckland Volcanic Field, New Zealand. Earth & Planetary Science Letters, 499, 13-22. doi: 10.1016/j.epsl.2018.07.015

Negrini, M., Smith, S. A. F., Scott, J. M., & Tarling, M. S. (2018). Microstructural and rheological evolution of calcite mylonites during shear zone thinning: Constraints from the Mount Irene shear zone, Fiordland, New Zealand. Journal of Structural Geology, 106, 86-102. doi: 10.1016/j.jsg.2017.11.013

Scanlan, E. J., Scott, J. M., Wilson, V. J., Stirling, C. H., Reid, M. R., & Le Roux, P. J. (2018). In situ 87Sr/86Sr of scheelite and calcite reveals proximal and distal fluid-rock interaction during orogenic W-Au mineralization, Otago Schist, New Zealand. Economic Geology, 113(7), 1571-1586. doi: 10.5382/econgeo.2018.4603

Tarling, M. S., Smith, S. A. F., Viti, C., & Scott, J. M. (2018). Dynamic earthquake rupture preserved in a creeping serpentinite shear zone. Nature Communications, 9, 3552. doi: 10.1038/s41467-018-05965-0

Dalton, H. B., Scott, J. M., Liu, J., Waight, T. E., Pearson, D. G., Brenna, M., … Palin, J. M. (2017). Diffusion-zoned pyroxenes in an isotopically heterogeneous mantle lithosphere beneath the Dunedin Volcanic Group, New Zealand, and their implications for intraplate alkaline magma sources. Lithosphere, 9(3), 463-475. doi: 10.1130/L631.1

Jacob, J.-B., Scott, J. M., Turnbull, R. E., Tarling, M. S., & Sagar, M. W. (2017). High- to ultrahigh-temperature metamorphism in the lower crust: An example resulting from Hikurangi Plateau collision and slab rollback in New Zealand. Journal of Metamorphic Geology, 35(8), 831-853. doi: 10.1111/jmg.12257

van der Meer, Q. H. A., Waight, T. E., Scott, J. M., & Münker, C. (2017). Variable sources for Cretaceous to recent HIMU and HIMU-like intraplate magmatism in New Zealand. Earth & Planetary Science Letters, 469, 27-41. doi: 10.1016/j.epsl.2017.03.037

Smith, S. A. F., Tesei, T., Scott, J. M., & Collettini, C. (2017). Reactivation of normal faults as high-angle reverse faults due to low frictional strength: Experimental data from the Moonlight Fault Zone, New Zealand. Journal of Structural Geology, 105, 34-43. doi: 10.1016/j.jsg.2017.10.009

Czertowicz, T. A., Toy, V. G., & Scott, J. M. (2016). Recrystallisation, phase mixing and strain localisation in peridotite during rapid extrusion of sub-arc mantle lithosphere. Journal of Structural Geology, 88, 1-19. doi: 10.1016/j.jsg.2016.04.011

van der Meer, Q. H. A., Storey, M., Scott, J. M., & Waight, T. E. (2016). Abrupt spatial and geochemical changes in lamprophyre magmatism related to Gondwana fragmentation prior, during and after opening of the Tasman Sea. Gondwana Research, 36, 142-156. doi: 10.1016/j.gr.2016.04.004

Wang, S.-J., Teng, F.-Z., & Scott, J. M. (2016). Tracing the origin of continental HIMU-like intraplate volcanism using magnesium isotope systematics. Geochimica et Cosmochimica Acta, 185, 78-87. doi: 10.1016/j.gca.2016.01.007

Scott, J. M., Brenna, M., Crase, J. A., Waight, T. E., van der Meer, Q., Cooper, A. F., Palin, J. M., … Münker, C. (2016). Peridotitic lithosphere metasomatized by volatile-bearing melts, and its association with intraplate alkaline HIMU-like magmatism. Journal of Petrology, 57(10), 2053-2078. doi: 10.1093/petrology/egw069

Czertowicz, T. A., Scott, J. M., Waight, T. E., Palin, J. M., Van der Meer, Q. H. A., Le Roux, P., … Piazolo, S. (2016). The Anita Peridotite, New Zealand: Ultra-depletion and subtle enrichment in sub-arc mantle. Journal of Petrology, 57(4), 717-750. doi: 10.1093/petrology/egw001

Alder, S., Smith, S. A. F., & Scott, J. M. (2016). Fault-zone structure and weakening processes in basin-scale reverse faults: The Moonlight Fault Zone, South Island, New Zealand. Journal of Structural Geology, 91, 177-194. doi: 10.1016/j.jsg.2016.09.001

Scott, J. M., Liu, J., Pearson, D. G., & Waight, T. E. (2016). Mantle depletion and metasomatism recorded in orthopyroxene in highly depleted peridotites. Chemical Geology, 441, 280-291. doi: 10.1016/j.chemgeo.2016.08.024

Czertowicz, T. A., Scott, J. M., & Piazolo, S. (2016). Coupled extrusion of sub-arc lithospheric mantle and lower crust during orogen collapse: A case study from Fiordland, New Zealand. Journal of Metamorphic Geology, 34(5), 501-524. doi: 10.1111/jmg.12191

Palmer, M. C., Scott, J. M., Muhling, J. R., & Kennedy, A. (2015). Carboniferous metamorphism and partial melting of the Greenland Group in the Jackson River valley, south Westland. New Zealand Journal of Geology & Geophysics, 58(1), 22-32. doi: 10.1080/00288306.2014.982661

Liu, J., Scott, J. M., Martin, C. E., & Pearson, D. G. (2015). The longevity of Archean mantle residues in the convecting upper mantle and their role in young continent formation. Earth & Planetary Science Letters, 424, 109-118. doi: 10.1016/j.epsl.2015.05.027

Ritchie, T. W., Scott, J. M., Muhling, J. R., & Kennedy, A. K. (2015). Cretaceous metamorphism, magmatism and shearing in the Waipuna Valley, directly south of the Reefton Goldfield. New Zealand Journal of Geology & Geophysics, 58(2), 89-103. doi: 10.1080/00288306.2014.992444

Scott, J. M., Auer, A., Czertowicz, T. A., Cooper, A. F., Billia, M. A., & Kennedy, A. K. (2015). New P–T and U–Pb constraints on Alpine Schist metamorphism in south Westland, New Zealand. New Zealand Journal of Geology & Geophysics, 58(4), 385-397. doi: 10.1080/00288306.2015.1093005

Gaffney, D., Summerhayes, G. R., Ford, A., Scott, J. M., Denham, T., Field, J., & Dickinson, W. R. (2015). Earliest pottery on New Guinea mainland reveals Austronesian influences in highland environments 3000 years ago. PLoS ONE, 10(9), e0134497. doi: 10.1371/journal.pone.0134497

Scott, J. M., Turnbull, I. M., Sagar, M. W., Tulloch, A. J., Waight, T. E., & Palin, J. M. (2015). Geology and geochronology of the Sub-Antarctic Snares Islands/Tini Heke, New Zealand. New Zealand Journal of Geology & Geophysics, 58(2), 202-212. doi: 10.1080/00288306.2015.1023810

Moorhouse, B. L., White, J. D. L., & Scott, J. M. (2015). Cape Wanbrow: A stack of Surtseyan-style volcanoes built over millions of years in the Waiareka-Deborah volcanic field, New Zealand. Journal of Volcanology & Geothermal Research, 298, 27-56. doi: 10.1016/j.jvolgeores.2015.03.019

Scott, J. M., Hodgkinson, A., Palin, J. M., Waight, T. E., Van der Meer, Q. H. A., & Cooper, A. F. (2014). Ancient melt depletion overprinted by young carbonatitic metasomatism in the New Zealand lithospheric mantle. Contributions to Mineralogy & Petrology, 167, 963. doi: 10.1007/s00410-014-0963-0

Scott, J. M., Lee, D. E., Fordyce, R. E., & Palin, J. M. (2014). A possible Late Oligocene–Early Miocene rocky shoreline on Otago Schist. New Zealand Journal of Geology & Geophysics, 57(2), 185-194. doi: 10.1080/00288306.2013.814575

Scott, J. M., Borcovsky, D. A., Palin, J. M., & Toy, V. G. (2014). Localisation of deformation in the thermal contrast at a granite batholith margin, New Zealand. Journal of Structural Geology, 64, 149-163. doi: 10.1016/j.jsg.2013.07.013

Scott, J. M., Waight, T. E., van der Meer, Q. H. A., Palin, J. M., Cooper, A. F., & Münker, C. (2014). Metasomatized ancient lithospheric mantle beneath the young Zealandia microcontinent and its role in HIMU-like intraplate magmatism. Geochemistry, Geophysics, Geosystems, 15(9), 3477-3501. doi: 10.1002/2014GC005300

Scott, J. M., Turnbull, I. M., Auer, A., & Palin, J. M. (2013). The sub-Antarctic Antipodes Volcano: A <0.5 Ma HIMU-like Surtseyan volcanic outpost on the edge of the Campbell Plateau, New Zealand. New Zealand Journal of Geology & Geophysics, 56(3), 134-153. doi: 10.1080/00288306.2013.802246

Van der Meer, Q. H. A., Scott, J. M., Waight, T. E., Sudo, M., Scherstén, A., Cooper, A. F., & Spell, T. L. (2013). Magmatism during Gondwana break-up: New geochronological data from Westland, New Zealand. New Zealand Journal of Geology & Geophysics, 56(4), 229-242. doi: 10.1080/00288306.2013.826699

Scott, J. M., Konrad-Schmolke, M., O'Brien, P. J., & Günter, C. (2013). High-T, low-P formation of rare olivine-bearing symplectites in Variscan eclogite. Journal of Petrology, 54(7), 1375-1398. doi: 10.1093/petrology/egt015

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