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  1. Pyroclastic Flow - an overview | ScienceDirect Topics

    Nov 13, 1985 · 3.6.5 Pyroclastic Flows Pyroclastic flows are products of explosive eruptions and consist of particles of hot molten rock and gases which move rapidly over the ground surface. …

  2. Pyroclastics - an overview | ScienceDirect Topics

    Mar 16, 2013 · Pyroclastic flows containing abundant dense to slightly vesicular rock fragments entrained in an ash matrix (“block-and-ash” flows) are generally of smaller volume and …

  3. Pyroclastic Fall Deposits - ScienceDirect

    Pyroclastic fall deposits form during explosive eruptions by the sedimentation of pyroclasts through the atmosphere from an eruption jet and/or plume. They are the simplest of pyroclastic …

  4. The hazards of unconfined pyroclastic density currents: A new …

    Jan 1, 2022 · Pyroclastic density currents (PDCs) are the deadliest volcanic hazard, accounting for nearly a third of all historical volcano-related fatalities (Brown et al., 2017). They are also …

  5. Fluidization in pyroclastic flows - ScienceDirect

    Apr 15, 2024 · Pyroclastic flows are mixtures of gas and particles generated by gravitational collapse of lava domes or fall-back of eruption columns during explosiv…

  6. Pyroclastic Deposit - an overview | ScienceDirect Topics

    Pyroclastic deposits are defined as accumulations of volcanic materials formed by the explosive fragmentation of magma during eruptions, which can be emplaced rapidly over large areas. …

  7. Eruption characteristics of lunar localized pyroclastic deposits as ...

    Mar 15, 2022 · These small localized pyroclastic deposits are thought to have erupted through transient, vulcanian-like eruptions. We used several remote data products, including a water …

  8. Lithologic classification of pyroclastic rocks: A case study for the ...

    Jul 1, 2022 · With the ongoing discovery of volcanic oil and gas reservoirs, pyroclastic rocks have begun to attract widespread attention from both the academic and…

  9. Insight into the 2021 Semeru volcano eruption from rapid …

    Nov 1, 2024 · The objective of this study is to map the pyroclastic deposits resulting from the Semeru eruption in 2021 and to analyse the process of pyroclastic de…

  10. Pyroclastic Materials - an overview | ScienceDirect Topics

    Pyroclastic materials refer to volcanic products ejected during explosive eruptions, including pyroclastic density currents, ballistic bombs, scoria, and tephra fallout. These materials are …