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Dr Stuart Kearns
Dr Stuart Kearns
Area of research
Investigation of signals resulting from the electron beam interaction with geological materials
My principal research interest is the investigation of signals resulting from the electron beam interaction with geological materials. Specifically this is applied to a diverse range of problems such as the mineralogy of exceptionally preserved fossils, from the Cambrian Burgess Shale to the Cretaceous Jehol Biota of China, and the mineralogy and petrogenesis of carbonatite ash deposits.
I experiment with novel techniques in electron microscopy as applied to a range of materials: Variable Pressure SEM offers the possibility of non-destructive analysis of rare and precious fossil material; cryogenic electronprobe microanalysis is applied to the quantitative analysis of volcanic glass and other unstable materials. I also research new advances in EPMA which permit analyses of nanoscale volumes under low accelerating voltages.
1995- School of Earth Sciences, University of Bristol
1988-1995 - Research Fellow EPMA LAbs, Dept of Geology, University of Edinburgh
1984-1988 - Ph D (Metamorphism of calc-silicate and related rocks from the Dalradian of NE Scotland), CNAA, University of Derby
1979 - BSc (Geology) University of Dundee
- geological materials
- Buse, B, Kearns, S, Clapham, C & Hawley, D, 2016, Decontamination in Electron Probe Microanalysis with a Peltier-Cooled Cold Finger. Microscopy and Microanalysis, vol 22., pp. 981-986
- McNamara, M, Orr, P, Kearns, SL, Alcalá, L, Anadón, P & Peñalver, E, 2016, Reconstructing Carotenoid-Based and Structural Coloration in Fossil Skin. Current Biology, vol 26., pp. 1075-1082
- Kearns, S, 2016, Electron Probe Microanalysis (EPMA). in: William White (eds) Encyclopedia of Geochemistry: A Comprehensive Reference Source on the Chemistry of the Earth. Springer Publishing Company, pp. 1-3
- Rogers, CS, Hone, DWE, McNamara, ME, Zhao, Q, Orr, PJ, Kearns, SL & Benton, MJ, 2015, The Chinese Pompeii? Death and destruction of dinosaurs in the Early Cretaceous of Lujiatun, NE China. Palaeogeography, Palaeoclimatology, Palaeoecology, vol 427., pp. 89-99
- Buse, B & Kearns, S, 2015, Importance of Carbon Contamination in High-Resolution (FEG) EPMA of Silicate Minerals. Microscopy and Microanalysis.
- Hopkins, T, Peniche, G, Murphy, s, Carter, I, Shorrock, G, Kearns, S, Blunn, G, Goodship, A & Sainsbury, A, 2015, Scanning electron microscopy and energy-dispersive x-ray spectroscopy (SEM-EDX) confirms shooting of a hen harrier (Circus cyaneus). BMJ
- Wade, J, Buse, B & Kearns, S, 2014, FEG-EPMA of solid state redox sensors - The effect of secondary fluorescence on analytical precision. Microscopy and Microanalysis, vol 20., pp. 728-729
- Buse, B & Kearns, SL, 2014, Importance of carbon contamination in high-resolution (FEG) EPMA of silicate minerals. Microscopy and Microanalysis, vol 20., pp. 704-705
- Kearns, S, Buse, B & Wade, J, 2014, Mitigating thermal beam damage with metallic coats in low voltage FEG-EPMA of geological materials. Microscopy and Microanalysis, vol 20., pp. 740-741
- Saunders, KE, Buse, B, Kilburn, MR, Kearns, SL & Blundy, JD, 2014, Nanoscale characterisation of crystal zoning. Chemical Geology (Isotope Geoscience), vol 364., pp. 20-32
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