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

Catch a falling star: meteorites and old ice.

I M Whillans, W A Cassidy

    Science (New York, N.Y.)
    |October 7, 1983
    PubMed
    Summary
    This summary is machine-generated.

    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

    Changes in the west antarctic ice sheet.

    Science (New York, N.Y.)·1991
    Same author

    Characteristics of ascitic fluid in the alcoholic cirrhotic.

    Digestive diseases and sciences·1979
    Same author

    Inland ice sheet thinning due to holocene warmth.

    Science (New York, N.Y.)·1978
    Same author

    Zinc and vitamin A: interrelationships.

    Progress in clinical and biological research·1977
    Same author

    State of equilibrium of the west antarctic inland ice sheet.

    Science (New York, N.Y.)·1973
    Same author

    Solar radiation effects in lunar samples.

    Science (New York, N.Y.)·1970

    A new model suggests Antarctic blue ice regions concentrate meteorites steadily. This research indicates constant meteorite influx and ice flow, revealing potentially the oldest ice sequence on Earth.

    Area of Science:

    • Meteoritics and Planetary Science
    • Glaciology
    • Antarctic Research

    Background:

    • Blue ice regions in Antarctica act as natural traps for meteorites.
    • Understanding meteorite accumulation requires models of ice flow and accumulation rates.
    • Previous studies have estimated meteorite influx but lacked comprehensive models for concentration processes.

    Purpose of the Study:

    • To develop a model for meteorite concentration in Antarctic blue ice regions.
    • To estimate meteorite influx rates and the age of exposed ice.
    • To test the assumption of constant meteorite influx and glacial flow.

    Main Methods:

    • A mathematical model was developed based on data from the Allan Hills region.
    • Assumptions of constant meteorite influx and glacial flow rates were applied.

    Related Experiment Videos

  • Calculations were performed to determine meteorite influx and ice exposure ages.

    • Main Results:

    • The model estimates a meteorite influx of 60 x 10^-6 kg/km^2/year.
    • The age of exposed ice near Allan Hills ranges from 0 to 600,000 years.
    • Results align with independent estimates of influx and meteorite terrestrial ages.

    Conclusions:

    • The findings support the assumption of steady-state meteorite influx and glacial flow in the region.
    • This study presents evidence for potentially the oldest continuously stratified ice sequence discovered.
    • The East Antarctic ice sheet in this area has likely remained stable for an extended period.