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Showing 1–3 of 3 results
Advanced filters: Author: Duane T. Wegener Clear advanced filters

  • Fresh basaltic glass preserved in a sample of volcanic breccia record a single eruptive event at the Alpha Ridge around 90 Ma, suggesting that parts of the ridge were emergent during the final stages of magmatism in the High Arctic Large Igneous Province, according to geochemical and geochronological analysis of the sample.

    • Marie-Claude Williamson
    • Grace E. Shephard
    • Jeff Harris
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 7, P: 1-14

  • By analysing plant and nematode DNA from sites all around the Arctic, it is shown that vegetation before about 10,000 years ago contained more forbs (non-graminoid herbaceous vascular plants) than previously believed, which changes our understanding about the functioning of the diverse northern ecosystem that existed at this time.

    • Eske Willerslev
    • John Davison
    • Pierre Taberlet
    Research
    Nature
    Volume: 506, P: 47-51