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Showing 1–2 of 2 results
Advanced filters: Author: George W. Bergantz Clear advanced filters

  • This study shows that a dynamic two-stage model can unify a wide range of apparently contradictory observations from both large plutonic bodies and volcanic systems by a mechanism of rapid remobilization, or 'unzipping', of highly viscous crystal-rich mushes. This remobilization can lead to rapid overturn and produce the observed juxtaposition of magmatic materials with very disparate ages and complex chemical zoning. The agreement between calculated and observed unzipping rates for historical eruptions at Pinatubo and Montserrat demonstrates the potentially wide applicability of the model.

    • Alain Burgisser
    • George W. Bergantz
    Research
    Nature
    Volume: 471, P: 212-215

  • Crystal mush processes are key to magmatic differentiation, volcanic system behaviour and some mineral resources. This Review discusses the processes involved in mush formation, rejuvenation and eruption, and how tectonics and crustal thermal maturity impacts these processes.

    • Madeleine C. S. Humphreys
    • Olivier Namur
    • Frank J. Spera
    Reviews
    Nature Reviews Earth & Environment
    Volume: 6, P: 401-416