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Latest Articles

  • You have access
    Author Index to Volume 320
    American Journal of Science December 2020, 320 (10) 892-896;
  • You have access
    Subject Index to Volume 320
    American Journal of Science December 2020, 320 (10) 897-905;
  • You have access
    Zn2+-Pb2+-doped calcite shrub fabrics: Abiotic morphogenesis of travertine-like dripstone encrustation at the Jersey Zinc Mine, southeastern British Columbia
    Paul L. Broughton
    American Journal of Science December 2020, 320 (10) 851-891; DOI: https://doi.org/10.2475/12.2020.02
  • You have access
    Reconstruction of the original extent of the Tertiary pre-volcanic gravels in the northern Sierra Nevada (CA): Implications for the range's Paleotopography
    Christina M. Tipp and Emmanuel J. Gabet
    American Journal of Science December 2020, 320 (10) 815-850; DOI: https://doi.org/10.2475/12.2020.01
  • You have access
    Constraints on surface temperature 3.4 billion years ago based on triple oxygen isotopes of cherts from the Barberton Greenstone Belt, South Africa, and the problem of sample selection
    Donald R. Lowe, Daniel E. Ibarra, Nadja Drabon and C. Page Chamberlain
    American Journal of Science November 2020, 320 (9) 790-814; DOI: https://doi.org/10.2475/11.2020.02
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    Determining the origin of inclusions in garnet: Challenges and new diagnostic criteria
    Thomas A. Griffiths, Gerlinde Habler and Rainer Abart
    American Journal of Science November 2020, 320 (9) 753-789; DOI: https://doi.org/10.2475/11.2020.01
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    Zircon U-Pb geochronology and Nd-Pb isotope geochemistry of Blue Ridge basement in the eastern Great Smoky Mountains, U.S.A.: Implications for the Proterozoic tectonic evolution of the southeastern Laurentian margin
    D.P. Moecher, F.C. Harris, E.A. Larkin, R.J. Quinn, K.B. Walsh, D.F. Loughry, E.D. Anderson, S.D. Samson, A.M. Satkoski and E. Tohver
    American Journal of Science October 2020, 320 (8) 677-729; DOI: https://doi.org/10.2475/10.2020.02
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    Redox constraints on a Cenozoic imbalance in the organic carbon cycle
    Matthieu E. Galvez
    American Journal of Science October 2020, 320 (8) 730-751; DOI: https://doi.org/10.2475/10.2020.03
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    Miocene to Pleistocene glacial history of West Antarctica inferred from Nunatak geomorphology and cosmogenic-nuclide measurements on bedrock surfaces
    Perry Spector, John Stone, Greg Balco, Trevor Hillebrand, Mika Thompson and Taryn Black
    American Journal of Science October 2020, 320 (8) 637-676; DOI: https://doi.org/10.2475/10.2020.01
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    A process-based ecosystem model (Paleo-BGC) to simulate the dynamic response of Late Carboniferous plants to elevated O2 and aridification
    Joseph D. White, Isabel P. MontaƱez, Jonathan P. Wilson, Christopher J. Poulsen, Jennifer C. McElwain, William A. DiMichele, Michael T. Hren, Sophia Macarewich, Jon D. Richey and William J. Matthaeus
    American Journal of Science September 2020, 320 (7) 547-598; DOI: https://doi.org/10.2475/09.2020.01

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