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Showing 1–5 of 5 results
Advanced filters: Author: Andrew R. C. Kylander-Clark Clear advanced filters

  • Three silicic Large Igneous Provinces in the Amazon Craton, spaced some 90–100 Ma apart during the Paleoproterozoic, generated high-temperature magmas via deep-crustal melting—thus substantially contributing to continental crust growth and stability.

    • Matheus S. Simões
    • Andrew R. C. Kylander-Clark
    • Túlio A. Mendes
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • It is thought that Atlantic style passive margins have experienced episodes of uplift and volcanism in response to changes in mantle circulation. The authors here employ U-Pb dating of calcite in faults and fractures along the eastern North American margin and find a 40 Myr long period of fracturing and faulting from 115 to 75 Ma.

    • William H. Amidon
    • Andrew R. C. Kylander-Clark
    • David P. West Jr.
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Metamorphic soles beneath ophiolites record rapid subduction initiation, with high-temperature metamorphism that may be driven by relative motion across the plate interface, according to diffusion speedometry of garnets combined with isotopic data.

    • Joshua M. Garber
    • Matthew Rioux
    • Maureen D. Feineman
    Research
    Nature Geoscience
    Volume: 18, P: 653-660

  • A link between post-thickening lithospheric extension and the differentiation of continental crust is implied by granulite conditions beneath the Rio Grande Rift, inferred from analysis of lower-crustal xenoliths and thermobarometric modelling.

    • Jacob H. Cipar
    • Joshua M. Garber
    • Andrew J. Smye
    Research
    Nature Geoscience
    Volume: 13, P: 758-763

  • A proxy is developed for oxygen levels in seawater, based on U-Pb dating of dolomite. It shows a step-increase in O2 400 million years ago, suggesting that oceans were largely oxygen-limited at the ‘dawn’ of animal life.

    • Michal Ben-Israel
    • Robert M. Holder
    • Uri Ryb
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8