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Geological Society, London, Memoirs

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1 Geological Society, London, Memoirs
Chapter 21 Controls on variations in cristobalite abundance in ash generated by the Soufrière Hills Volcano, Montserrat in the period 1997 to 2010 by C. J. Horwell, S. E. Hillman, P. D. Cole, S. C. Loughlin, E. W. Llewellin, D. E. Damby, and T. E. Christopher Geological Society, London, Memoirs Volume 39(1): June 2, 2014 © 2014 The Authors

2 Cristobalite content v.
Cristobalite content v. DRT for two data series: (i) dome-collapse ash samples collected during slow extrusion rates; (ii) dome-collapse ash samples collected during fast extrusion rates. Both datasets include ash-venting samples, which incorporated dome material (or concurrent rockfall/PDC material). C. J. Horwell et al. Geological Society, London, Memoirs 2014;39: © 2014 The Authors

3 Cristobalite content of dome-collapse samples v.
Cristobalite content of dome-collapse samples v. SO2 flux with periods of continuous dome growth shown in grey bands. C. J. Horwell et al. Geological Society, London, Memoirs 2014;39: © 2014 The Authors


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