Skip to content

Research at St Andrews

Duration and nature of the end-Cryogenian (Marinoan) glaciation

Research output: Contribution to journalArticle

DOI

Open Access permissions

Open

Author(s)

Anthony Robert Prave, Daniel J. Condon, Karl Heinz Hoffmann, Simon Tapster, Anthony Edward Fallick

School/Research organisations

Abstract

The end-Cryogenian glaciation (Marinoan) is portrayed commonly as the archetype of snowball Earth, yet its duration and character remain uncertain. Here we report U-Pb zircon ages for two ash beds from widely separated localities of the Marinoan-equivalent Ghaub Formation in Namibia: 639.29 ± 0.26 Ma and 635.21 ± 0.59 Ma. These findings verify, for the first time, the key prediction of the snowball Earth hypothesis for the Marinoan glaciation, i.e., longevity, with a duration of ≥4 m.y. They also show that the nonglacial interlude of Cryogenian time spanned 20 m.y. or less and that glacigenic erosion and sedimentation, and at least intermittent open-water conditions, occurred 4 m.y. prior to termination of the Marinoan glaciation.
Close

Details

Original languageEnglish
Pages (from-to)631-634
Number of pages4
JournalGeology
Volume44
Issue number8
Early online date28 Jun 2016
DOIs
Publication statusPublished - 1 Aug 2016

Discover related content
Find related publications, people, projects and more using interactive charts.

View graph of relations

Related by author

  1. Anaerobic nitrogen cycling on a Neoarchean ocean margin

    Mettam, C. W., Zerkle, A. L., Claire, M., Prave, A. R., Poulton, S. W. & Junium, C. K., 17 Sep 2019, In : Earth and Planetary Science Letters. 527, 115800.

    Research output: Contribution to journalArticle

  2. Low δ18O rocks in the Belomorian belt, NW Russia, and Scourie dikes, NW Scotland: a record of ancient meteoric water captured by the early Paleoproterozoic global mafic magmatism

    Zakharov, D. O., Bindeman, I. N., Serebryakov, N. S., Prave, A. R., Azimov, P. Y. & Babarina, I. I., 24 Aug 2019, In : Precambrian Research. In press

    Research output: Contribution to journalArticle

  3. 1.99 Ga mafic magmatism in the Rona terrane of the Lewisian Gneiss Complex in Scotland

    Baker, T. R., Prave, A. R. & Spencer, C. J., Aug 2019, In : Precambrian Research. 329, p. 224-231

    Research output: Contribution to journalArticle

  4. Hydrothermal dedolomitisation of carbonate rocks of the Paleoproterozoic Zaonega Formation, NW Russia — Implications for the preservation of primary C isotope signals

    Kreitsmann, T., Külaviir, M., Lepland, A., Paiste, K., Paiste, P., Prave, A. R., Sepp, H., Romashkin, A. E., Rychanchik, D. V. & Kirsimäe, K., 5 May 2019, In : Chemical Geology. 512, p. 43-57 15 p.

    Research output: Contribution to journalArticle

Related by journal

  1. Geology (Journal)

    Chris Hawkesworth (Member of editorial board)
    20042008

    Activity: Publication peer-review and editorial work typesEditor of research journal

  2. Geology (Journal)

    Michael Ian Bird (Member of editorial board)
    2000 → …

    Activity: Publication peer-review and editorial work typesEditor of research journal

Related by journal

  1. Insights into past ocean proxies from micron-scale mapping of sulfur species in carbonates

    Rose, C. V., Webb, S. M., Newville, M., Lanzirotti, A., Richardson, J. A., Tosca, N. J., Catalano, J. G., Bradley, A. S. & Fike, D. A., 1 Sep 2019, In : Geology. 47, 9, p. 833-837 833.

    Research output: Contribution to journalArticle

  2. Climatic control on Icelandic volcanic activity during the mid-Holocene

    Swindles, G. T., Watson, E. J., Savov, I. P., Lawson, I. T., Schmidt, A., Hooper, A., Cooper, C. L., Connor, C. B., Gloor, M. & Carrivick, J. L., Jan 2018, In : Geology. 46, 1, p. 47-50 4 p.

    Research output: Contribution to journalArticle

  3. Warm and cold wet-states in the western United States during the Pliocene-Pleistocene

    Ibarra, D., Oster, J., Winnick, M., Caves Rugenstein, J., Byrne, M. P. & Chamberlain, P., 15 Feb 2018, In : Geology. 46, 4, p. 355-358 4 p.

    Research output: Contribution to journalArticle

  4. Evidence for melting mud in Earth's mantle from extreme oxygen isotope signatures in zircon

    Edinburgh Ion Microprobe Facility (EIMF), Spencer, C. J., Cavosie, A. J., Raub, T. D., Rollinson, H., Jeon, H., Searle, M. P., Miller, J. A., McDonald, B. J. & Evans, N. J., 1 Nov 2017, In : Geology. 45, 11, p. 975-978 4 p.

    Research output: Contribution to journalArticle

  5. Internal dynamics condition centennial-scale oscillations in marinebased ice-stream retreat

    Smedley, R. K., Chiverrell, R. C., Ballantyne, C. K., Burke, M. J., Clark, C. D., Duller, G. A. T., Fabel, D., McCarroll, D., Scourse, J. D., Small, D. & Thomas, G. S. P., Jul 2017, In : Geology. 45, 9, p. 787-790 4 p.

    Research output: Contribution to journalArticle

ID: 243472995