Palaeomagnetic correlation of the Acraman impact structure and the Late Proterozoic Bunyeroo ejecta horizon, South Australia

P. W. Schmidt, G. E. Williams

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)

    Abstract

    Palaeomagnetic data for meltrock from the Acraman impact structure, South Australia, indicate a stable magnetization and a virtual geomagnetic pole that is in close agreement with the palaeomagnetic pole for the Late Proterozoic (˜ 600 Ma) Bunyeroo Formation in the Adelaide Geosyncline. The palaeomagnetic data are therefore consistent with the correlation of the Acraman impact event and deposition of the widespread impact ejecta horizon in the Bunyeroo Formation.

    Original languageEnglish
    Pages (from-to)283-289
    Number of pages7
    JournalAustralian Journal of Earth Sciences
    Volume38
    Issue number3
    DOIs
    Publication statusPublished - 1991

    Keywords

    • Acraman impact structure
    • Adelaide Geosyncline
    • Bunyeroo ejecta horizon
    • Bunyeroo Formation
    • Gawler Range Volcanics
    • Late Proterozoic palaeomagnetism
    • Meteorite impact

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