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Author Index to Volume 320
American Journal of Science December 2020, 320 (10) 892-896;
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Subject Index to Volume 320
American Journal of Science December 2020, 320 (10) 897-905;
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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
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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
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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. Montañez, 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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