publications

Li H, Kipp MA, Kim SL, Kast ER, Eberle JJ, Tissot FLH. (2024). Exploring uranium isotopes in shark teeth as a paleo-redox proxy. Geochimica et Cosmochimica Acta. 365, 158-173. {paper: link / pdf}

Kipp MA, Stüeken EE, Strömberg CAE, Brightly WH, Arbour VM, Erdei B, Hill RS, Johnson KR, Kvaček J, McElwain JC, Miller IM, Slodownik M, Vajda V, Buick R. (2024). Nitrogen isotopes reveal independent origins of N2-fixing symbiosis in extant cycad lineages. Nature Ecology & Evolution. 8, 57-69. {paper: link / pdf | code: github | press: Duke Today}

Kipp MA. (2023). Carbon cycling: How much life has ever existed on Earth? Current Biology. 33(21): R1153-R1155. {paper: link / pdf| press: New York Times}

Bowyer FT, Krause AJ, Song Y, Huang K-J, Fu Y, Shen B, Li J, Zhu X-K, Kipp MA, van Maldegem LM, Brocks JJ, Shields GA, Le Hir G, Mills BJW, Poulton SW. (2023). Biological diversification linked to environmental stabilization following the Sturtian Snowball glaciation. Science Advances. ​9(34): eadf9999. {paper: link / pdf}

Kulenguski JT, Gilleadeau GJ, Kaufman AJ, Kipp MA, Tissot FLH, Goepfert TJ, Pitts AD, Pierantoni P, Evans MN, Elrick M. (2023). Carbonate uranium isotopes across Cretaceous OAE 2 in southern Mexico: New constraints on the global spread of marine anoxia and organic carbon burial. Palaeogeography, Palaeoclimatology, Palaeoecology. 111756. {paper: link / pdf}

Kipp MA. (2022). A double-edged sword: The role of sulfate in anoxic marine phosphorus cycling through Earth history. Geophysical Research Letters. 49: e2022GL099817. {paper: link / pdf | code: github}

Kipp MA, Li H, Ellwood MJ, John SG, Middag R, Adkins JF & Tissot FLH. (2022). 238U, 235U and 234U in seawater and deep-sea corals: A high-precision reappraisal. Geochimica et Cosmochimica Acta. 336: 231-238. {paper: link / pdf}

Baziotis IP, Ma C, Guan Y, Ferriere L, Xydous S, Hu J, Kipp MA, Tissot FLH & Asimow PD. (2022). Unique evidence of fluid alteration in the Kakowa (L6) ordinary chondrite. Scientific Reports. {paper: link / pdf}

Kipp MA & Tissot FLH. (2022). Inverse methods for consistent quantification of seafloor anoxia using uranium isotope data from marine sediments. Earth and Planetary Science Letters. {paper: link / pdf | code: github}

Meixnerova J, Blum JD, Johnson MW, Stüeken EE, Kipp MA, Anbar AD, Buick R. (2021). Mercury abundance and isotopic composition indicate subaerial volcanism prior to the end-Archean "whiff" of oxygen. Proceedings of the National Academy of Sciences. 118(33): e2107511118. {paper: link / pdf | press: UW News}

Farrell UC, (99 authors including Kipp MA), Planavsky NJ, Lau KV, Johnston DT, Sperling EA. (2021). The Sedimentary Geochemistry and Paleoenvironments Project. Geobiology. 00: 1-12. {paper: link / pdf}

Aubineau J, El Albani A, Chi Fru E, Kipp MA, Ikouanga JN, Bekker A. (2021). Benthic redox conditions and nutrient dynamics in the ca. 2.1 Ga Franceville sub-basin. Precambrian Research. 360: 106234. {paper: link / pdf}

Krissansen-Totton J, Kipp MA, Catling DC. (2021). Carbon cycle inverse modeling suggests large changes in fractional organic burial are consistent with the carbon isotope record and may have contributed to the rise of oxygen. Geobiology. 00: 1-22. {paper: link / pdf}

Kipp MA, Krissansen-Totton J, Catling DC. (2021). High organic burial efficiency is required to explain mass balance in Earth's early carbon cycle. Global Biogeochemical Cycles. ​35(2): e2020GB006707. {paper: link / pdf}

Stüeken EE & ​Kipp MA. (2020). "Selenium Isotope Paleobiogeochemistry" in Geochemical Tracers in Earth System Science, Cambridge University Press. In press. {chapter: link}

Kipp MA​, Lepland A, Buick R. (2020). Redox fluctuations, trace metal enrichment, and phosphogenesis in the ~2.0 Ga Zaonega Formation. Precambrian Research. 343: 105716. {paper: link / pdf}

Kipp MA, Algeo TJ, Stüeken EE, Buick R. (2020). Basinal hydrographic and redox control of selenium enrichment and isotopic fractionation in Paleozoic black shales. Geochimica et Cosmochimica Acta. 287: 229-250. {paper: link / pdf}

Kipp MA, Stüeken EE, Gehringer MM, Sterelny K, Scott JK, Forster PI, Strömberg CAE, Buick R. (2019). Exploring cycad foliage as an archive of the isotopic composition of atmospheric nitrogen. Geobiology. 00: 1-15. {paper: link / pdf}

Kipp MA, Stüeken EE, Yun M, Bekker A, Buick R. (2018). Pervasive aerobic nitrogen cycling in the surface ocean across the Paleoproterozoic Era. Earth and Planetary Science Letters. 500: 117-126. {paper: link / pdf}

Koehler MC, Buick R, Kipp MA, Stüeken EE, Zaloumis J. (2018). Transient surface ocean oxygenation recorded in the 2.66-Ga Jeerinah Formation, Australia. Proceedings of the National Academy of Sciences. 115(30): 7711-7716. {paper: link / pdf | press: UW News}​

Kipp MA & Stüeken EE. (2017). Biomass recycling and Earth's early phosphorus cycle. Science Advances. 3(11): eaao4795. {paper: link / pdf | press: UW News / Astrobiology Magazine}

Koehler MC, Stüeken EE, Kipp MA, Buick R, Knoll AH. (2017). Spatial and temporal trends in Precambrian nitrogen cycling: A Mesoproterozoic offshore nitrate minimum. Geochimica et Cosmochimica Acta. 198: 315-337. {paper: link / pdf}

Kipp MA, Stüeken EE, Bekker A, Buick R. (2017). Selenium isotopes record extensive marine suboxia during the Great Oxidation Event. Proceedings of the National Academy of Sciences. 114(5): 875-880. {paper: link / pdf | press: UW News / New Scientist / Science News}

​​​Stüeken EE, Kipp MA, Koehler MC, Schwieterman EW, Johnson BW, Buick R. (2016). Modeling pN2 through geologic time: Implications for planetary climates and atmospheric biosignatures. Astrobiology. 16(12): 949-963. {paper: link / pdf}

Stüeken EE, Kipp MA, Koehler MC, Buick R. (2016). The evolution of Earth's biogeochemical nitrogen cycle. Earth Science Reviews. 160: 220-239. {paper: link / pdf}