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Temperatures of canonical condensation: Constraints from CAIs
Richard O. Sack

American Journal of Science January 2022, 322 (1) 55-63; DOI: https://doi.org/10.2475/01.2022.03
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Understanding the isotopic composition of sedimentary sulfide: A multiple sulfur isotope diagenetic model for Aarhus Bay
Andrew L. Masterson, Marc J. Alperin, Gail L. Arnold, William M. Berelson, Bo B. Jørgensen, Hans Røy and David T. Johnston

American Journal of Science January 2022, 322 (1) 1-27; DOI: https://doi.org/10.2475/01.2022.01
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Clumped isotope constraints on warming and precipitation seasonality in Mongolia following Altai uplift
Jeremy K. Caves Rugenstein, Katharina Methner, Tyler Kukla, Andreas Mulch, Tina Lüdecke, Jens Fiebig, Anne Meltzer, Karl W. Wegmann, Peter Zeitler and C. Page Chamberlain

American Journal of Science January 2022, 322 (1) 28-54; DOI: https://doi.org/10.2475/01.2022.02
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The kabr El-Bonaya peridotites, Southeastern Sinai, Egypt: petrology, geochemistry, and metamorphism of Neoproterozoic arc ultramafic cumulates
Ayman E. Maurice, Mokhles K. Azer, Paul D. Asimow, Fawzy F. Basta, Hassan M. Helmy and Tomoyuki Shibata

American Journal of Science December 2021, 321 (10) 1445-1496; DOI: https://doi.org/10.2475/10.2021.02
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The role of the solid earth in regulating atmospheric O₂ levels
Daniel A. Stolper, John A. Higgins and Louis A. Derry

American Journal of Science December 2021, 321 (10) 1381-1444; DOI: https://doi.org/10.2475/10.2021.01
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Neoarchean basement, mantle enrichment and crustal extraction in central Asia: petrogenesis of 2.5 Ga amphibolite and metadiorite in NE China
Huichuan Liu, Jun Shao, Guangyou Zhu and Yinglei Li

American Journal of Science November 2021, 321 (9) 1350-1379; DOI: https://doi.org/10.2475/09.2021.03
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Coexisting arc and MORB signatures in the Sonakhan greenstone belt, India: late Neoarchean – early Proterozoic subduction rollback and back-arc formation
Gautam Kumar Deb, Dilip Saha, Sarbani Patranabis-Deb and Amlan Banerjee

American Journal of Science November 2021, 321 (9) 1308-1349; DOI: https://doi.org/10.2475/09.2021.02
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Early Cretaceous solar cycles recorded in lacustrine laminations in North China
Xing Tian, Yuan Gao, Tyler Kukla, Olaf Lenz, He Huang, Daniel E. Ibarra, Shouliang Sun and Chengshan Wang

American Journal of Science November 2021, 321 (9) 1285-1307; DOI: https://doi.org/10.2475/09.2021.01
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Metal isotopes as markers of biogeochemical processes and fluxes in the eroding Critical Zone
C. Page Chamberlain

American Journal of Science October 2021, 321 (8) iii-iv; DOI: https://doi.org/10.2475/08.2021.05
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Interpreting silicon isotopes in the Critical Zone
Patrick J. Frings, Marcus Oelze, Franziska Schubring, Daniel A. Frick and Friedhelm von Blanckenburg

American Journal of Science October 2021, 321 (8) 1164-1203; DOI: https://doi.org/10.2475/08.2021.02

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