Academic literature on the topic 'Proterozoic atmosphere'

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Journal articles on the topic "Proterozoic atmosphere"

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Pavlov, Alexander A., Matthew T. Hurtgen, James F. Kasting, and Michael A. Arthur. "Methane-rich Proterozoic atmosphere?" Geology 31, no. 1 (2003): 87. http://dx.doi.org/10.1130/0091-7613(2003)031<0087:mrpa>2.0.co;2.

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Carver, J. H., and I. M. Vardavas. "Precambrian glaciations and the evolution of the atmosphere." Annales Geophysicae 12, no. 7 (1994): 674–82. http://dx.doi.org/10.1007/s00585-994-0674-3.

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Abstract. Precambrian glaciations appear to be confined to two periods, one in the early Proterozoic between 2.5 and 2 Gyears BP (Before Present) and the other in the late Proterozoic between 1 and 0.57 Gyear BP. Possible reasons for these broad features of the Precambrian climate have been investigated using a simple model for the mean surface temperature of the Earth that partially compensates for the evolution of the Sun by variations in the atmospheric CO2 content caused by outgassing, the formation of continents and the weathering of the Earth's land surface. It is shown that the model ca
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Yierpan, Aierken, Stephan König, Jabrane Labidi, and Ronny Schoenberg. "Recycled selenium in hot spot–influenced lavas records ocean-atmosphere oxygenation." Science Advances 6, no. 39 (2020): eabb6179. http://dx.doi.org/10.1126/sciadv.abb6179.

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Oxygenation of Earth’s oceans and atmosphere through time has consequences for subducted surface signatures that are now stored in the mantle. Here, we report significant mass-dependent selenium isotope variations in modern hot spot–influenced oceanic lavas. These variations are correlated with tracers of mantle source enrichment, which can only be explained by incorporation of abyssal pelagic sediments subducted from a redox-stratified mid-Proterozoic ocean. Selenium geochemical signatures of these sediments have mostly been preserved during long-term recycling and may therefore complement th
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Olson, Stephanie L., Christopher T. Reinhard, and Timothy W. Lyons. "Limited role for methane in the mid-Proterozoic greenhouse." Proceedings of the National Academy of Sciences 113, no. 41 (2016): 11447–52. http://dx.doi.org/10.1073/pnas.1608549113.

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Pervasive anoxia in the subsurface ocean during the Proterozoic may have allowed large fluxes of biogenic CH4to the atmosphere, enhancing the climatic significance of CH4early in Earth’s history. Indeed, the assumption of elevatedpCH4during the Proterozoic underlies most models for both anomalous climatic stasis during the mid-Proterozoic and extreme climate perturbation during the Neoproterozoic; however, the geologic record cannot directly constrain atmospheric CH4levels and attendant radiative forcing. Here, we revisit the role of CH4in Earth’s climate system during Proterozoic time. We use
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Shaw, George H. "Earth's atmosphere – Hadean to early Proterozoic." Geochemistry 68, no. 3 (2008): 235–64. http://dx.doi.org/10.1016/j.chemer.2008.05.001.

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Tokadjian, Armen, Renyu Hu, and Mario Damiano. "The Detectability of CH4/CO2/CO and N2O Biosignatures Through Reflection Spectroscopy of Terrestrial Exoplanets." Astronomical Journal 168, no. 6 (2024): 292. https://doi.org/10.3847/1538-3881/ad88eb.

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Abstract The chemical makeup of Earth’s atmosphere during the Archean (4–2.5 Ga) and Proterozoic eon (2.5–0.5 Ga) contrast considerably with the present-day: the Archean was rich in carbon dioxide and methane, and the Proterozoic had potentially higher amounts of nitrous oxide. CO2 and CH4 in an Archean Earth analog may be a compelling biosignature because their coexistence implies methane replenishment at rates unlikely to be abiotic. However, CH4 can also be produced through geological processes, and setting constraints on volcanic molecules such as CO may help address this ambiguity. N2O in
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Allen, John F., Brenda Thake, and William F. Martin. "Nitrogenase Inhibition Limited Oxygenation of Earth’s Proterozoic Atmosphere." Trends in Plant Science 24, no. 11 (2019): 1022–31. http://dx.doi.org/10.1016/j.tplants.2019.07.007.

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Large, Ross R., Indrani Mukherjee, Dan Gregory, Jeff Steadman, Ross Corkrey, and Leonid V. Danyushevsky. "Atmosphere oxygen cycling through the Proterozoic and Phanerozoic." Mineralium Deposita 54, no. 4 (2019): 485–506. http://dx.doi.org/10.1007/s00126-019-00873-9.

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Liu, He, Robert E. Zartman, Trevor R. Ireland, and Wei-dong Sun. "Global atmospheric oxygen variations recorded by Th/U systematics of igneous rocks." Proceedings of the National Academy of Sciences 116, no. 38 (2019): 18854–59. http://dx.doi.org/10.1073/pnas.1902833116.

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Atmospheric oxygen has evolved from negligible levels in the Archean to the current level of about 21% through 2 major step rises: The Great Oxidation Event (GOE) in the early Proterozoic and the Neoproterozoic Oxygenation Event (NOE) during the late Proterozoic. However, most previous methods for constraining the time of atmospheric oxygenation have relied on evidence from sedimentary rocks. Here, we investigate the temporal variations of the Th/U of arc igneous rocks since 3.0 billion y ago (Ga) and show that 2 major Th/U decreases are recorded at ca. 2.35 Ga and ca. 0.75 Ga, coincident with
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Morton, Roger D., and Amarendra Changkakoti. "The possible roles of Precambrian biota in the origin of magmatogene and hydrothermal silver-bearing vein deposits." Canadian Journal of Earth Sciences 24, no. 2 (1987): 291–95. http://dx.doi.org/10.1139/e87-030.

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The origins of silver-bearing, polyelement vein associations in the Great Bear Lake region and elsewhere in the world might be traced back to possible organic-rich, Precambrian sedimentary protoliths. These protoliths could have yielded a characteristic spectrum of elements to hydrothermal systems during regional metamorphism or during anatexis to form S-type granitoids. Wholesale capture of metals and metalloids by microbiota and their remains may have been a characteristic of some Early Proterozoic marginal marine, mesosaline environments. Two possible atmosphere–hydrosphere–lithosphere mode
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Dissertations / Theses on the topic "Proterozoic atmosphere"

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Moore, Kelsey Reed. "Cyanobacterial evolution and interactions with the Proterozoic world." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127144.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references.<br>Our understanding of the biosphere prior to the rise of complex life is built largely upon microbial mat structures and some exceptionally well-preserved microbial fossils from the Proterozoic (2500 to 540 million years ago). Some of these exceptional fossils are identifiable as cyanobacteria that were preserved by pyrite, amorphous silica (SiO₂) and other minerals. Although a record e
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Kah, Linda Christine. "Early proterozoic (1.9 Ga) thrombolites of the Rocknest formation, Northwest Territories, Canada." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/59603.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1990.<br>Includes bibliographic references (leaves 23-27).<br>by Linda Christine Kah.<br>M.S.
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McCormick, David S. "Evolution of an early proterozoic alluvially-dominated foreland basis, Burnside Formation, Kilohigok Basin, N.W.T., Canada." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/31033.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1992.<br>Vita.<br>Includes bibliographical references.<br>by David Speir McCormick.<br>Ph.D.
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Thomas, Katherine S. S. M. Massachusetts Institute of Technology. "Stable isotope and organic biomarker analysis of the late Proterozoic Coppercap formation in the MacKenzie Mountains." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/114138.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (unnumbered pages 56-59).<br>Sulfur and carbon stable isotope ratios and organic biomarker abundance were performed on drill core samples from the Coppercap Formation of the Coates Lake Group in the Windermere Supergroup of the MacKenzie Mountains to reconstruct an environmental condition proceeding the first Neoproterozoic Snowball Earth event. The Coppercap Formation directly underlies the Rapitan
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Saylor, Beverly Z. (Beverly Zella). "Sequence stratigraphic and chemostratigraphic constraints on the evolution of the terminal Proterozoic to Cambrian Nama Basin, Namibia." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10668.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1996.<br>Includes bibliographical references (p. 117-124).<br>by Beverly Z. Saylor.<br>Ph.D.
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Gruen, Danielle S. "Biogeochemical and phylogenetic signals of Proterozoic and Phanerozoic microbial metabolisms." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119991.

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Thesis: Ph. D., Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 213-240).<br>Life is ubiquitous in the environment and an important mediator of Earth's carbon cycle, but quantifying the contribution of microbial biomass and its metabolic fluxes is difficult, especially in spatially and temporally-remote environments. Microbes leave behind an often scarc
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Smith, Odin Alonso 1973. "Terminal proterozoic carbonate platform development : stratigraphy and sedimentology of the Kuibis Subgroup (ca. 550-548 Ma), Northern Nama Basin, Namibia." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/36672.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1999.<br>Includes bibliographical references (leaves 61-79).<br>A stratigraphic and sedimentologic investigation of the Kuibis Subgroup, northern Nama Basin, was undertaken. An U-Pb zircon age determination on an intercalated volcanic ash directly constrains the age of the subgroup to be on the order of 550-548 Ma. The study involved logging eight sections which were measured and described in detail, spanning the region extending from Driedoornvlagte, located east of the Naukluft mountain
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Ferreira, Susana Isabel de Oliveira. "A evolução da geosfera como contributo e suporte para a vida." Master's thesis, 2007. http://hdl.handle.net/1822/7392.

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Dissertação de Mestrado em Evolução e Origem da Vida<br>O planeta Terra tem sofrido alterações ao longo do tempo geológico. Logo após a sua formação, há 4.6 Ga, era uma planeta homogéneo. Durante este longo intervalo de tempo, a Geosfera sofreu diversos processos de diferenciação geoquímica e geológica, responsáveis pelo desenvolvimento da actual estrutura interna da Terra. A formação da Atmosfera e da Hidrosfera ocorreu também durante o Hadaico, aproximadamente há 4.0 Ga. A evolução e interacção dos grandes sistemas terrestres (geosfera, atmosfera e hidrosfera) permitiu, ao longo da his
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Books on the topic "Proterozoic atmosphere"

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Kranendonk, Martin J. Van, Pascal Philippot, and Rajat Mazumder. Transition to Modern Earth: The Archean-Proterozoic Boundary and the Evolution of Life and the Atmosphere. Elsevier, 2019.

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Book chapters on the topic "Proterozoic atmosphere"

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Worsley, T. R., J. B. Moody, and R. D. Nance. "Proterozoic to Recent Tectonic Tuning of Biogeochemical Cycles." In The Carbon Cycle and Atmospheric CO2 : Natural Variations Archean to Present. American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm032p0561.

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Sandberg, Philip A. "Nonskeletal Aragonite and pCO2 in the Phanerozoic and Proterozoic." In The Carbon Cycle and Atmospheric CO2 : Natural Variations Archean to Present. American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm032p0585.

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Klein, Cornelis, Nicolas J. Beukes, Heinrich D. Holland, James F. Kasting, Lee R. Kump, and Donald R. Lowe. "Proterozoic Atmosphere and Ocean." In The Proterozoic Biosphere. Cambridge University Press, 1992. http://dx.doi.org/10.1017/cbo9780511601064.006.

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Dolman, Han. "CARBON DIOXIDE IN THE GEOLOGICAL PAST." In Carbon Dioxide through the Ages. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780198869412.003.0006.

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Abstract We trace CO2 concentrations through geological time. After the core and the crust were formed, 4.5 billion years ago (Gyr), Earth started to develop an atmosphere. An atmosphere that consisted of the exhaust gases from the interior: water vapour, nitrogen, and carbon dioxide. It was not a pleasant place, hot and continuously bombarded by meteorites. It is called the Hadean, after the Greek god of death, Hades. The initial pressure of CO2 may have been 10–100 times the current atmospheric pressure, with CO2 probably making up 70% of the atmosphere. During the next period, the Archean,
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Nédélec, Anne. "Everything changes on Earth." In Earth and Life. Oxford University PressOxford, 2025. https://doi.org/10.1093/9780198945451.003.0009.

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Abstract The end of the Archean and the beginning of the Proterozoic two and a half billion years ago was a time of major changes. The growth of continents and the increased surface of emerged landmasses provided a sink for the atmospheric CO2, which regularly decreased, owing to the weathering of continental surfaces by acidic rains, ultimately favouring carbonate sedimentation and climate cooling. It explains the first ice age. In addition, oxygenic photosynthesis increased the oxygen content in the surficial ocean and then in the atmosphere triggering the Great Oxygenation Event or GOE. Oxy
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Zalasiewicz, Jan. "9. A very brief history of the Earth." In Geology: A Very Short Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/actrade/9780198804451.003.0009.

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Our planet is ancient—at 4.6 billion years—and over that time it has changed enormously. ‘A very brief history of the Earth’ describes how the Earth and Moon were created in the Chaotian Eon from the collision of two planets: Tellus and Theia. It outlines the heavy meteorite bombardment of the Hadean Eon; the Archean Eon (c.3.8 billion years ago) when rocks were first preserved; the arrival of oxygen in Earth’s atmosphere and explosion of organic life in the Proterozoic Eon; and the Phanerozoic Eon, in which we still live. The various eras of this eon are described: the Palaeozoic Era, the Mes
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Lyons, Timothy W., Anne M. Gellatly, Peter J. McGoldrick, and Linda C. Kah. "Proterozoic sedimentary exhalative (SEDEX) deposits and links to evolving global ocean chemistry." In Evolution of Early Earth's Atmosphere, Hydrosphere, and Biosphere - Constraints from Ore Deposits. Geological Society of America, 2006. http://dx.doi.org/10.1130/2006.1198(10).

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Canfield, D. E. "Proterozoic Atmospheric Oxygen." In Treatise on Geochemistry. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-08-095975-7.01308-5.

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Partin, C. A. "A tectonic context for fluctuations in late Paleoproterozoic oxygen content." In Laurentia: Turning Points in the Evolution of a Continent. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.1220(07).

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ABSTRACT Nearly all models of Earth’s oxygenation converge on the premise that the first notable rise of atmospheric oxygen occurred slightly above the Archean-Proterozoic boundary, with the second notable rise occurring just below the Proterozoic-Phanerozoic boundary. Plate tectonic–driven secular changes found above the Archean-Proterozoic boundary are thought to have been partly or wholly responsible for the initial rise in atmospheric O2 in the Great Oxidation Event; however, the role of plate tectonics in oxygen levels thereafter is not well defined. Modern plate tectonics undoubtedly pla
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Walker, J. C. G. "Origin Of An Inhabited Planet." In Origin of the Earth. Oxford University PressNew York, NY, 1990. http://dx.doi.org/10.1093/oso/9780195066197.003.0020.

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Abstract How do the existence and history of life on Earth constrain theories of planetary origin? Something can be learned from the unambiguous record of the antiquity and continuity of life. The oldest clear evidence of life dates back to 3.5 b.y. ago; by that time the processes of planetary growth had ameliorated enough to permit a habitable environment. It is not clear from the paleontological record, however, that the environment was permanently habitable as long ago as 3.5 b.y. A clearly continuous paleontological record of Archean life does not exist, and therefore whole-Earth sterilizi
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Conference papers on the topic "Proterozoic atmosphere"

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Large, Ross R., Indrani Mukherjee, Nigel J. Blamey, Robert Hazen, and Ross Corkrey. "The GOE and Oxygen Trends in the Proterozoic Atmosphere." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1417.

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Liebmann, Janne, Christopher Spencer, Christopher L. Kirkland, et al. "COUPLING ATMOSPHERE AND SEDIMENT MELTS ACROSS THE ARCHEAN-PROTEROZOIC TRANSITION." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-356832.

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Cadeau, Pierre, Magali Ader, Didier Jézéquel, et al. "Could Proterozoic Positive Carbon Isotope Excursions be Tracking Intense Methane Fluxes to the Atmosphere? An Analogue-Based Hypothesis." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.299.

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Ji, Aoshuang, and James Kasting. "Controlling factors for atmospheric O2 during the mid-Proterozoic." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10253.

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Rico, Kathryn, Nathan D. Sheldon, and Timothy M. Gallagher. "BIOGEOCHEMICAL PATHWAYS OF NUTRIENT AND METAL BURIAL IN PROTEROZOIC LAKES AND IMPLICATIONS FOR ATMOSPHERIC OXYGEN LEVELS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-304096.

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Liu, Peng, Jingjun Liu, Christopher T. Reinhard, et al. "Mid-Proterozoic Atmospheric O2 Levels Re-calculated from D17O Values in Sulfates Using a Detailed 1-D Photochemical Model." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1599.

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Liebmann, Janne, Christopher J. Spencer, Claire E. Bucholz, et al. "Is Paleoproterozoic Atmospheric Oxygenation Linked to the Emergence of Continents Above Sea-Level? Evidence from Sulfur and Oxygen Isotopic Signatures in Archean to Proterozoic Sediment-Derived Granitoids." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1554.

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