Dr Rob Newton

Research Fellow; Programme Manager: MSc Geochemistry & MSc Environmental Geochemistry

Telephone number: +44(0) 113 34 37981/37062 mass spec lab
Email address: r.j.newton@leeds.ac.uk
Room: 9.146

Publications

Dal Corso, J; Mietto, P; Newton, RJ; Pancost, RD; Preto, N; Roghi, G; Wignall, PB (2012) Discovery of a major negative delta(13)C spike in the Carnian (Late Triassic) linked to the eruption of Wrangellia flood basalts , GEOLOGY, 40, pp.79-82. doi:10.1130/G32473.1
Goldberg, T; Shields, G; Newton, RJ (2011) Analytical Constraints on the Measurement of the Sulfur Isotopic Composition and Concentration of Trace Sulfate in Phosphorites: Implications for Sulfur Isotope Studies of Carbonate and Phosphate Rocks, Geostandards and Geoanalytical Research, . doi:10.1111/j.1751-908X.2010.00102.x
Woodcock, P; Edwards, DP; Fayle, TM; Newton, RJ; Khen, CV; Bottrell, SH; Hamer, KC (2011) The conservation value of South East Asia's highly degraded forests: evidence from leaf-litter ants., Philos Trans R Soc Lond B Biol Sci, 366, pp.3256-3264. doi:10.1098/rstb.2011.0031
Mortimer, RJG; Galsworthy, AMJ; Bottrell, SH; Wilmot, LE; Newton, RJ (2011) Experimental evidence for rapid biotic and biotic reduction of Fe (III) at low temperatures in salt marsh sediments: a possible mechanism for formation of modern sedimentary siderite concretions, Sedimentology, 58, pp.1514-1529. doi:10.1111/j.1365-3091.2011.01224.x
Newton, RJ; Reeves, EP; Kafousia, N; Wignall, PB; Bottrell, SH; Sha, J (2011) Low marine sulfate concentrations and the isolation of the European epicontinental sea during the Early Jurassic , Geology, 39, pp.7-10. doi:10.1130/g31326.1
Matamoros-Veloza, A; Newton, RJ; Benning, LG (2011) What controls selenium release during shale weathering? , Applied Geochemistry, 26, pp.S222-S226.
Clark, JM; Bottrell, SH; Evans, CD; Monteith, DT; Bartlett, R; Rose, R; Newton, RJ; Chapman, PJ (2010) The importance of the relationship between scale and process in understanding long-term DOC dynamics., Sci Total Environ, 408, pp.2768-2775. doi:10.1016/j.scitotenv.2010.02.046
Wignall, PB; Bond, DPG; Kuwahara, K; Kakuwa, Y; Newton, RJ; Poulton, SW (2010) An 80 million year oceanic redox history from Permian to Jurassic pelagic sediments of the Mino-Tamba terrane, SW Japan, and the origin of four mass extinctions. , Global and Planetary Change, 71, pp.109-123. doi:10.1016/j.gloplacha.2010.01.022
Valero, MAC; Mara, DD; Newton, RJ (2010) Nitrogen removal in maturation waste stabilisation ponds via biological uptake and sedimentation of dead biomass, WATER SCI TECHNOL, 61, pp.1027-1034. doi:10.2166/wst.2010.952
Valero, MAC; Read, LF; Mara, DD; Newton, RJ; Curtis, TP; Davenport, RJ (2010) Nitrification-denitrification in waste stabilisation ponds: a mechanism for permanent nitrogen removal in maturation ponds , WATER SCI TECHNOL, 61, pp.1137-1146. doi:10.2166/wst.2010.963
John, EH; Wignall, PB; Newton, RJ; Bottrell, SH (2010) delta S-34(CAS) and delta O-18(CAS) records during the Frasnian-Famennian (Late Devonian) transition and their bearing on mass extinction models, CHEM GEOL, 275, pp.221-234. doi:10.1016/j.chemgeo.2010.05.012
Bond, DPG; Wignall, PB; Wang, W; Izon, G; Jiang, HS; Lai, XL; Sun, YD; Newton, RJ; Shao, LY; Vedrine, S; Cope, H (2010) The mid-Capitanian (Middle Permian) mass extinction and carbon isotope record of South China, PALAEOGEOGR PALAEOCL, 292, pp.282-294. doi:10.1016/j.palaeo.2010.03.056
Wignall, PB; Sun, YD; Bond, DPG; Izon, G; Newton, RJ; Vedrine, S; Widdowson, M; Ali, JR; Lai, XL; Jiang, HS; Cope, H; Bottrell, SH (2009) Volcanism, Mass Extinction, and Carbon Isotope Fluctuations in the Middle Permian of China, SCIENCE, 324, pp.1179-1182. doi:10.1126/science.1171956
Raiswell, R; Newton, R; Bottrell, SH; Coburn, PM; Briggs, DEG; Bond, DPG; Poulton, SW (2008) Turbidite depositional influences on the diagenesis of Beecher's Trilobite Bed and the Hunsruck Slate; Sites of soft tissue pyritization, AM J SCI, 308, pp.105-129. doi:10.2475/02.2008.01
Newton, RJ; Bottrell, SH (2007) Stable isotopes of carbon and sulphur as indicators of environmental change: , Journal of the Geological Society, 164, pp.691-708. doi:10.1144/0016-76492006-101
Wignall, PB; Zonneveld, JP; Newton, RJ; Amor, K; Sephton, MA; Hartley, S (2007) The end Triassic mass extinction record of Williston Lake, British Columbia, PALAEOGEOGR PALAEOCL, 253, pp.385-406. doi:10.1016/j.palaeo.2007.06.020
Wignall, PB; Hallam, A; Newton, RJ; Sha, JG; Reeves, E; Mattioli, E; Crowley, S (2006) An eastern Tethyan (Tibetan) record of the Early Jurassic (Toarcian) mass extinction event, GEOBIOLOGY, 4, pp.179-190. doi:10.1111/j.1472-4669.2006.00081.x
Bottrell, SH; Newton, RJ (2006) Reconstruction of changes in global sulfur cycling from marine sulfate isotopes, EARTH-SCIENCE REVIEWS, 75, pp.59-83. doi:10.1016/j.earscirev.2005.10.004
Wignall, PB; Newton, R; Brookfield, ME (2005) Pyrite framboid evidence for oxygen-poor deposition during the Permian-Triassic crisis in Kashmir, PALAEOGEOGR PALAEOCL, 216, pp.183-188. doi:10.1016/j.palaeo.2004.10.009
Wignall, PB; Newton, RJ; Little, CTS (2005) The timing of paleoenvironmental change and cause-and-effect relationships during the early Jurassic mass extinction in Europe, AM J SCI, 305, pp.1014-1032.
Novak, M; Vile, MA; Bottrell, SH; Stepanova, M; Jackova, I; Buzek, F; Prechova, E; Newton, RJ (2005) Isotope systematics of sulfate-oxygen and sulfate-sulfur in six European peatlands, BIOGEOCHEMISTRY, 76, pp.187-213. doi:10.1007/s10533-005-4433-7
Wignall, PB; Newton, RJ (2004) Reply to comment by Retallack: Contrasting Deep-water Records from the Upper Permian and Lower Triassic of South Tibet and British Columbia: Evidence for a Diachronous Mass Extinction , Palaios, 19, pp.102-104.
Newton, RJ; Pevitt, EL; Wignall, PB; Bottrell, SH (2004) Large shifts in the isotopic composition of seawater sulphate across the Permo-Triassic boundary in northern Italy, EARTH PLANET SC LETT, 218, pp.331-345. doi:10.1016/S0012-821X(03)00676-9
Wignall, PB; Newton, R (2003) Contrasting deep-water records from the Upper Permian and Lower Triassic of South Tibet and British Columbia: Evidence for a diachronous mass extinction , PALAIOS, 18, pp.153-167.
Sephton, MA; Amor, K; Franchi, IA; Wignall, PB; Newton, R; Zonneveld, JP (2002) Carbon and nitrogen isotope disturbances and an end-Norian (Late Triassic) extinction event, GEOLOGY, 30, pp.1119-1122.
Wignall, PB; Newton, R (2001) Black shales on the basin margin: a model based on examples from the Upper Jurassic of the Boulonnais, northern France, SEDIMENT GEOL, 144, pp.335-356.
Raiswell, R; Newton, R; Wignall, PB (2001) An indicator of water-column anoxia: Resolution of biofacies variations in the Kimmeridge Clay (Upper Jurassic, UK), J SEDIMENT RES, 71, pp.286-294.
Bottrell, SH; Moncaster, SJ; Tellam, JH; Lloyd, JW; Fisher, QJ; Newton, RJ (2000) Controls on bacterial sulphate reduction in a dual porosity aquifer system: the Lincolnshire Limestone aquifer, England, CHEMICAL GEOLOGY, 169, pp.461-470.
McCarthy, MDB; Newton, RJ; Bottrell, SH (1998) Oxygen isotopic compositions of sulphate from coals: implications for primary sulphate sources and secondary weathering processes, Fuel, 77, pp.677-682.
Barker, AP; Newton, RJ; Bottrell, SH; Tellam, JH (1998) Processes affecting groundwater chemistry in a zone of saline intrusion into an urban sandstone aquifer, Applied Geochemistry, 13, pp.735-749.
Newton, RJ; Bottrell, SH; Louie, PKK; Hawthorne, SB; Timpe, RC (1996) Coal-specific systematic errors in estimation of pyritic and organic forms of sulfur by ASTM and BS methods, Fuel, 75, pp.1251-1254.
Bottrell, SH; Leosson, M; Newton, RJ (1996) The origin of brine inflows at Boulby potash mine, UK, Transactions of the Institution of Mining and Metallurgy. Section B: Applied Earth Science, 105, pp.159-164.
Wignall, PB; Bond, DPG; Haas, J; Wang, W; Jiang, H; Lai, X; Altiner, D; Vedrine, S; Hips, K; Zajzon, N; Newton, RJ (Not yet published) The Capitanian (Middle Permian) mass extinction in western Tethys: a fossil, facies and d13C study from Hungary and Hydra Island (Greece) , Palaios, .