Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Tephra from the 1979 soufriere explosive eruption.

H Sigurdsson

    Science (New York, N.Y.)
    |June 4, 1982
    PubMed
    Summary
    This summary is machine-generated.

    The 1979 Soufriere eruption ejected tephra composed of juvenile and nonjuvenile materials. Particle aggregation and accretionary lapilli formation in a wet eruption column explain the deposit's fine grain size and poor sorting.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Phase transitions induced by resonant light: A phenomenological approach.

    The Journal of chemical physics·2025
    Same author

    Spin-exchange induced spillover on poor man's Majoranas in minimal Kitaev chains.

    Journal of physics. Condensed matter : an Institute of Physics journal·2025
    Same author

    Persistent Self-Induced Larmor Precession Evidenced through Periodic Revivals of Coherence.

    Physical review letters·2022
    Same author

    Engineering Photon Statistics in a Spinor Polariton Condensate.

    Physical review letters·2022
    Same author

    Quantum fluids of light in all-optical scatterer lattices.

    Nature communications·2021
    Same author

    Synthetic band-structure engineering in polariton crystals with non-Hermitian topological phases.

    Nature communications·2020

    Area of Science:

    • Volcanology
    • Geochemistry

    Background:

    • The 1979 Soufriere eruption produced a significant volume of tephra.
    • The tephra deposit comprised both juvenile and nonjuvenile components.

    Purpose of the Study:

    • To analyze the composition and characteristics of the tephra from the 1979 Soufriere eruption.
    • To understand the processes responsible for the deposit's unique grain size and sorting.

    Main Methods:

    • Analysis of tephra deposit composition (juvenile vs. nonjuvenile).
    • Grain size and sorting analysis of the tephra.
    • Interpretation of particle aggregation and accretionary lapilli formation.

    Main Results:

    • The tephra was 40% juvenile basaltic andesite and 60% nonjuvenile material.

    Related Experiment Videos

  • The deposit exhibited fine grain size, poor sorting, and bimodality.
  • Evidence suggests particle aggregation and accretionary lapilli formation.

    • Conclusions:

    • Phreatomagmatic explosions fragmented the 1971-1972 lava island, contributing nonjuvenile material.
    • A wet eruption column facilitated particle aggregation and accretionary lapilli formation.
    • These processes explain the unusual deposit characteristics of the 1979 Soufriere eruption.