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American Journal of Science
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American Journal of Science

@AmJSci
Founded in 1818 by Benjamin Silliman. The Journal is devoted to geology and related sciences.
ajsonline.org
Joined May 2022
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    American Journal of Science
    @AmJSci
    Jun 8
    New Paper: Facies Vectors: Disentangling Environmental Variability, Diagenesis, and Secular Change in Carbonate Stratigraphies by Ryan A. Manzuk, Matthew D. Nadeau, Clare Mate, Sarah M. Jacquet, Adam C. Maloof Am J Sci 2026; 326:8 doi.org/10.2475/001c.1…
    We represent each sampled point in a lower Cambrian section as a vector of data collected through field observations, computational image analyses, and geochemical measurements to formally test the null hypothesis of stratigraphic stasis.
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    American Journal of Science
    @AmJSci
    Apr 22
    New Paper: Reversed Inter-Mineral Fe-Zn Isotope Fractionation in Ophiolitic Peridotites: Evidence for Widespread Hydration of Oceanic Lithospheric Mantle by Ben-Xun Su, Yan Xiao, Jing Wang, Qi-Qi Pan, and Shou-Qian Zhao Am J Sci 2026; 326:7 doi.org/10.2475/001c.1…
    “Fluid-assisted element exchange and subsolidus diffusion in various lithologies of the oceanic lithospheric mantle produce reversed inter-mineral isotope fractionation.”
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    American Journal of Science
    @AmJSci
    Mar 30
    New Paper: Dependence of River Water Lithium Isotope Ratios on Watershed Attributes Complicates Interpretation of Weathering-Driven CO2 Drawdown by Evan J. Ramos, Preston Cosslett Kemeny, Mark A. Torres, and Tomas N. Capaldi Am J Sci 2026; 326:6 doi.org/10.2475/001c.1…
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    American Journal of Science
    @AmJSci
    Mar 23
    New Paper: Heterogeneous Carbonate Lithium Isotope Records Across the end-Permian Mass Extinction Indicate a Highly Perturbed Lithium Cycle in the Early Triassic by Taylor et al. Am J Sci 2026; 326:5 doi.org/10.2475/001c.1…
    Variations in Early Triassic carbonate lithium isotopes are hypothesized to reflect diagenetic alteration and a poorly mixed oceanic Li reservoir that developed from extensive reverse weathering.
  • user avatar
    American Journal of Science
    @AmJSci
    Feb 13
    New Paper: Carbon Isotope Trends of Precambrian-Cambrian Carbonates in Southwestern Laurentia Are Robust to Diagenetic Overprinting by Lonsdale et al. Am J Sci 2026; 326:4 doi.org/10.2475/001c.1…
    Carbon Isotope Trends of Precambrian-Cambrian Carbonates in Southwestern Laurentia are Robust to Diagenetic Overprinting.

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