Currently browsing: Items authored or edited by Mark Sephton

34 items in this list.
Generated on Thu Aug 13 09:53:21 2020 BST.

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2013To Top

Sephton, Mark; James, Rachael; Fehr, Manuela; Bland, Philip and Gounelle, Matthieu (2013). Lithium isotopes as indicators of meteorite parent body alteration. Meteoritics & Planetary Science, 48(5) pp. 872–878.

2012To Top

Verchovsky, A. B.; Pearson, V. K.; Fisenko, A. V.; Semjonova, L. F.; Sephton, M. A. and Wright, I. P. (2012). Separation of Q from carbon in CR meteorites during stepped combustion. In: 43d Lunar and Planetary Science Conference, 21-23 Mar 2012, The Woodlands, TX, USA.

Lomax, Barry H.; Fraser, Wesley T.; Harrington, Guy; Blackmore, Stephen; Sephton, Mark A. and Harris, Nigel B. W. (2012). A novel palaeoaltimetry proxy based on spore and pollen wall chemistry. Earth and Planetary Science Letters, 353 pp. 22–28.

2009To Top

Fehr, M.; James, R.; Sephton, M.; Martins, Z. and Bland, P. A. (2009). Primitive lithium isotope signatures in CR carbonaceous chondrites? In: 19th V.M. Goldschmidt Conference, 21-26 Jun 2009, Davos, Switzerland.

2008To Top

Martins, Zita; Botta, Oliver; Fogel, Marilyn L.; Sephton, Mark A.; Glavin, Daniel P.; Watson, Jonathan S.; Dworkin, Jason P.; Schwartz, Alan W. and Ehrenfreund, Pascale (2008). Extraterrestrial nucleobases in the Murchison meteorite. Earth and Planetary Science Letters, 270(1-2) pp. 130–136.

2007To Top

Court, Richard; Sephton, Mark; Parnell, J. and Gilmour, Iain (2007). Raman spectroscopy of irradiated organic matter. Geochimica et Cosmochimica Acta, 71(10) pp. 2547–2568.

Watson, Jonathan S.; Sephton, Mark A.; Sephton, Sarah V.; Self, Stephen; Fraser, Wesley T.; Lomax, Barry H.; Gilmour, Iain; Wellman, Charles H. and Beerling, David J. (2007). Rapid determination of spore chemistry using thermochemolysis gas chromatography-mass spectrometry and micro-Fourier transform infrared spectroscopy. Photochemical and Photobiological Sciences, 6 pp. 689–694.

2006To Top

Martins, Z.; Botta, O.; Fogel, M. L.; Sephton, M. A.; Glavin, D. P.; Watson, J. S.; Dworkin, J. P.; Schwartz, A. W. and Ehrenfreund, P. (2006). Isotopic analysis of nucleobases in the Murchison meteorite. In: 69th Annual Meeting of the Meteoritical Society, 6-11 Aug 2006, Zurich, Switzerland.

2005To Top

Sephton, Mark A.; Looy, Cindy V.; Brinkhuis, Henk; Wignall, Paul B.; de Leeuw, Jan W. and Visscher, Henk (2005). Catastrophic soil erosion during the end-Permian biotic crisis. Geology, 33(12) pp. 941–944.

Sephton, M.; Love, G. D.; Meredith, W; Snape, C. E.; Sun, C. G. and Watson, J. (2005). Hydropyrolysis: A new technique for the analysis of macromolecular material in meteorites. Planetary and Space Science, 53(12) pp. 1280–1286.

Verchovsky, Sasha and Sephton, Mark (2005). A noble record. Astronomy & Geophysics, 46(2) pp. 12–14.

Sephton, M. A.; Looy, C. V.; Visscher, H.; Brinkhuis, H. and de Leeuw, J. W. (2005). The combined petrographic and chemical analysis of end-Permian kerogens. In: Koeberl, Christian and Henkel, Herbert eds. Impact Tectonics. Impact Studies. Springer, pp. 467–478.

Watson, J. S.; Sephton, M. A. and Gilmour, I. (2005). Macromolecular organic acids in the Murchison meteorite. In: 36th Lunar and Planetary Science Conference, 14-18 Mar 2006, Houston, Texas, USA.

Sephton, M. A.; Meredith, W.; Sun, C. G. and Snape, C. E. (2005). Hydropyrolysis as a preparative method for the compound-specific carbon isotope analysis of fatty acids. Rapid Communications in Mass Spectrometry, 19(3) pp. 323–325.

2004To Top

Sephton, Mark and Gilmour, Iain (2004). Compound specific isotope analysis of the organic constituents in the Murchison meteorite. In: de Groot, P.A. ed. Handbook of Stable Isotope Analytical Techniques, 1, Volume 1. Amsterdam: Elsevier, pp. 201–227.

Gilmour, Iain and Sephton, Mark eds. (2004). An Introduction to Astrobiology. Cambridge: Cambridge University Press.

2003To Top

Sephton, M. A.; Love, G. D.; Watson, J. S.; Verchovsky, A. B.; Wright, I. P.; Snape, C. E. and Gilmour, I (2003). Hydropyrolysis of high molecular weight organic matter in Murchison. In: 34th Lunar and Planetary Science Conference, 17-21 Mar 2003, Houston, Texas, USA.

2002To Top

Sephton, Mark A.; Amor, Ken; Franchi, Ian A.; Wignall, Paul B.; Newton, Robert and Zonneveld, John-Paul (2002). Carbon and nitrogen isotope disturbances and an end-Norian (Late Triassic) extinction event. Geology, 30(12) pp. 1119–1122.

Pearson, V. K.; Sephton, M. A. and Gilmour, I. (2002). Organic indicators of alteration in the CR chondrites. In: 33rd Lunar and Planetary Science Conference, 11-15 Mar 2002, Houston, Texas, USA.

Verchovsky, A. B.; Gilmour, J. D.; Holland, G.; Sephton, M. A.; Wright, I. P. and Franchi, I. A. (2002). Search for Q: single grains Xe isotope analysis of carbonaceous residue from Yilmia. In: 33rd Lunar and Planetary Science Conference, 11-15 Mar 2002, Houston, Texas, USA.

Pearson, V. J.; Kearsley, A. T.; Sephton, M. A. and Gilmour, I. (2002). Organic-inorganic spatial relationships in carbonaceous chondrites. In: 33rd Lunar and Planetary Science Conference, 11-15 Mar 2002, Houston, Texas, USA.

2001To Top

Pearson, V. K; Sephton, M. A. and Gilmour, I. (2001). The macromolecular constitution of the CR chondrites. In: 64th Annual Meeting of the Meteoritical Society, 10-14 Sep 2001, Vatican City, Italy.

Pearson, V. K.; Sephton, M. A.; Bland, P. A.; Franchi, I. A. and Gilmour, I. (2001). The association between organic matter and clay minerals in carbonaceous chondrites. In: 64th Annual Meeting of the Meteoritical Society, 10-14 Sep 2001, Vatican City, Italy.

Gilmour, I.; Pearson, V. K. and Sephton, M. A. (2001). Analysis of Tagish Lake macromolecular organic material. In: 32nd Lunar and Planetary Science Conference, 12-16 Mar 2001, Houston, Texas, USA.

Gilmour, I.; Sephton, Mark and Pearson, V. K. (2001). The Tagish Lake chondrite and the interstellar parent body hypothesis. In: 32nd Lunar and Planetary Science Conference, 12-16 Mar 2001, Houston, Texas, USA.

Butterworth, A. L.; Sephton, M. A. and Gilmour, I. (2001). Dual isotopic composition of methane in Murchison meteorite. In: 32nd Lunar and Planetary Science Conference, 12-16 Mar 2001, Houston, Texas, USA.

Verchovsky, A. B.; Sephton, M. A.; Wright, I. P. and Pillinger, C. T. (2001). Attempts to separate the Q-noble gas carrier in Yilmia. In: 64th Annual Meeting of the Meteoritical Society, 10-14 Sep 2001, Vatican City, Italy.

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