Comprehensive Organic Analysis of Antartic Micrometeorites (2008)
Wilson, R. C., Dobrica, E., Pearson, V. K., Turner, D. C., Gilmour, I.
Introduction: Micrometeorites (MMs) are thought to be significant contributors of organic material to the early Earth [1], and a variety of techniques have been employed to identify their organic...
The labelling of meteoritic organic material using osmium tetroxide vapour impregnation (2007)
Pearson, V. K., Kearlsey, A. T., Sephton, M. A., Gilmour, I.
We present a method for labelling and locating organic material in extraterrestrial samples in order to determine its spatial arrangement in relation to inorganic components. We have taken a suite of...
Organic constitution of the CO3 chondrites and implications for asteroidal processes (2007)
Pearson, V.K., Greenwood, R.G., Morgan, G.H., Turner, D., Raade, G., Roaldset, E., ...
This paper reports the organic constitution of the CO3 chondrites identified by 4D TOFMS in order to decipher the composition, structure and alteration history of the CO3 parent asteroid.
The Moss (CO3) meteorite: an integrated isotopic, organic and mineralogical study (2007)
Greenwood, R. C., Pearson, V. K., Verchovsky, A. B., Johnson, D., Franchi, I. A., Roaldset, E., ...
The recent Moss meteorite fall presents a unique opportunity to investigate the processes that operated on the CO3 parent body. The results of an integrated study indicate that alteration on the CO3...
Identification of Trace Organic Components in the CR Chondrites by 4D TOFMS (2007)
Pearson, V. K., Morgan, G. H., Turner, D., Perronnet, M., Gilmour, I.
This paper reports preliminary results of a 4D TOFMS study of CR chondrite organic material, highlighting the low-level organic species that may further reveal the complexity of parent body...
The rocks from space initiative and the space safari (2007)
Brooks, V., Greenwood, R. C., Bridges, J., Watson, J., Pearson, V. K.
This paper reports the successes of a new initiative in the UK using electronic resources, such as virtual learning environments and e-classrooms, for planetary and space science public engagement...
The effect of atmospheric entry heating on micrometeorite volatile composition (2006)
Wilson, R. C., Pearson, V. K., Franchi, I. A., Wright, I. P., Gilmour, I.
Pyrolysis-GC×GC-TOFMS to characterize carbonaceous chondrites (2005)
Watson, J. S., Pearson, V. K., Gilmour, I., Pillinger, C. T., Turner, D., Perkins, R., ...
Using pyrolysis-GCxGC-TOFMS to analyze organic carbon in carbonaceous chondrites gives a massive increase in both sensitivity and structural information from samples when compared to traditional...
Aqueous alteration of Nakhlites: implications for water on Mars (2005)
Grady, Monica M., Anand, M., Bridges, J. C., Pearson, V. K., Franchi, I. A., Wright, I. P.
Bridges, J. C., James, R. H., Pearson, V. K., Baker, Lee, Verchovsky, A. B., Wright, I.
Nakhla and Lafayette delta 7Li values for samples and extracts (4.1-14.2‰) are consistent with brine evaporation. Relatively 13C-poor siderite in Lafayette suggests more than one carbon source was...
Pyrolysis-GC×GC-TOFMS to characterize carbonaceous chondrites (2005)
Watson, J. S., Pearson, V. K., Gilmour, I., Pillinger, C. T., Turner, D., Perkins, R., ...
Using pyrolysis-GCxGC-TOFMS to analyze organic carbon in carbonaceous chondrites gives a massive increase in both sensitivity and structural information from samples when compared to traditional...
Bridges, J. C., James, R. H., Pearson, V. K., Baker, L., Verchovsky, A. B., Wright, I. P.
Nakhla and Lafayette delta 7Li values for samples and extracts (4.1-14.2‰) are consistent with brine evaporation. Relatively 13C-poor siderite in Lafayette suggests more than one carbon source was...
Bridges, J.C., Schwanethal, J.P., Paton, M.D., Pearson, V.K., Greenwood, R.C., Watson, J.S., ...
An appeal for witnesses to a fireball on 24 September produced an excellent response from the public; 55 eyewitnesses sent accounts. From their observations we calculated the radiant azimuth as...
Gilmour, I., Hill, H. G. M., Pearson, V.K., Sephton, M.A, Nuth, J. A.
The high molecular weight organic products of Fischer-Tropsch/Haber-Bosch syntheses on the surfaces of Fe-silicate catalysts have been studied by GCMS.
Organic indicators of alteration in the CR chondrites (2002)
Pearson, V. K., Sephton, M. A., Gilmour, I.
A study of the organic components in the CR chondrite macromolecule in order to assess the role of pre-terrestrial alteration on the organic inventory.
The association between organic matter and clay minerals in carbonaceous chondrites (2001)
Pearson, V. K., Sephton, M. A., Bland, P. A., Franchi, I. A., Gilmour, I.
There is an established relationship between organic matter content and aqueous alteration processes [1,2]. However, the relationship between meteoritic organic matter and individual aqueously...
Analysis of Tagish Lake macromolecular organic material (2001)
Gilmour, I., Pearson, V. K., Sephton, M. A.
Macromolecular material is, by far, the major organic component of meteorites. Flash pyrolysis GCMS has been used to investigate this organic component in Tagish Lake. It is more condensed, less...
The Tagish Lake chondrite and the interstellar parent body hypothesis (2001)
Gilmour, I., Sephton, Mark, Pearson, V. K.
Investigation of the solvent extractable organic compounds in Tagish Lake. The results are used to test the interstellar parent body hypthesis for the origin of extraterrestrial organic matter.
Pearson, V. K., Sephton, M. A., Gilmour, I., Franchi, I. A.
A study into the hydrogen isotopic characteristics of whole rock samples of carbonaceous chondrites and their comparison with a whole rock sample of the Tagish Lake meteorite.