Fossil leaf cuticle: Best practices for preparation and paleo-CO2 analysis

Authors: Zhang, Xiaoqing ^{a, ⁎}, Royer, Dana L. ^a, Colombi, Carina E. ^b, Drovandi, Juan Martin ^b, McElwain, Jennifer C. ^c, Guignard, Gaëtan ^{d, e}, Leng, Qin ^f, Lomax, Barry H. ^g, Sheldon, Nathan D. ^h, Stein, Rebekah A. ⁱ, Upchurch, Garland R. ^j, Wang, Yongdong ^d, Yang, Hong ^{f, s}, Barclay, Richard S. ^k, Cui, Ying ^l, Kürschner, Wolfram ^m, Milligan, Joseph N. ^{k, n}, Montañez, Isabel ^{o, p}, Richey, Jon D. ^{o, p}, Reichgelt, Tammo ^q, Shi, Gongle ^d, Smith, Selena Y. ^h, Steinthorsdottir, Margret ^r

Source: In Earth-Science Reviews May 2025 264

Weathering pulses during glacial-interglacial transitions: Insights from well-dated paleosols in the Azores volcanic province (Central North Atlantic)

Authors: Hevia-Cruz, Francisco, Hildenbrand, Anthony, Sheldon, Nathan D., Hren, Michael T., Zanon, Vittorio, Marques, Fernando O., Carlut, Julie, Chabaux, François, Haurine, Frédéric

Source: In Quaternary Science Reviews 15 January 2024 324

Comparing Methodologies for Stomatal Analyses in the Context of Elevated Modern CO 2.

Authors: Stein, Rebekah A.¹ (AUTHOR) rebekah.stein@quinnipiac.edu, Sheldon, Nathan D.² (AUTHOR) rebekah.stein@quinnipiac.edu, Smith, Selena Y.² (AUTHOR) rebekah.stein@quinnipiac.edu

Source: Life (2075-1729). Jan2024, Vol. 14 Issue 1, p78. 15p.

Subject Terms: *ATMOSPHERIC carbon dioxide, *STOMATA, *CARBON dioxide, *WATER efficiency, *GEOLOGICAL time scales, *CARBON isotopes

Sedimentary pyrite sulfur isotope compositions preserve signatures of the surface microbial mat environment in sediments underlying low‐oxygen cyanobacterial mats

Authors: Gomes, Maya L., Klatt, Judith M., Dick, Gregory J., Grim, Sharon L., Rico, Kathryn I., Medina, Matthew, Ziebis, Wiebke, Kinsman‐Costello, Lauren, Sheldon, Nathan D., Fike, David A.

Source: Geobiology. 20(1):60-78

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100138766818.0x000001&indx=1&recIds=ETOCvdc_100138766818.0x000001

Middle to late Holocene sedimentary filling history of the Sebkha el Melah in south‐eastern Tunisia

Authors: Ben Ameur, Mariem, Masmoudi, Sameh, Omar, Hamdi, Ouameni, Imen, Medhioub, Mounir, Yaich, Chokri, Sheldon, Nathan

Source: Sedimentology. 69(5):2348-2366

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100182225187.0x000001&indx=1&recIds=ETOCvdc_100182225187.0x000001

Terrestrial records of weathering indicate three billion years of dynamic equilibrium

Authors: Dzombak, Rebecca M., Sheldon, Nathan D.

Source: Gondwana research. 109:376-393

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100167222016.0x000001&indx=1&recIds=ETOCvdc_100167222016.0x000001

Palaeoclimatic and diagenetic controls based on clay mineralogy and organic matter distribution: The continental rift Cuyo Basin (Triassic), west‐central Argentina

Authors: Salduondo, Joaquín, Comerio, Marcos, Pineda, Juan A., Cravero, Fernanda, Erra, Georgina, Sheldon, Nathan

Source: Sedimentology. 69(7):2867-2896

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100165494051.0x000001&indx=1&recIds=ETOCvdc_100165494051.0x000001

Compositional, micromorphological and geotechnical characterization of Holocene Tiber floodplain deposits (Rome, Italy) and sequence stratigraphic implications

Authors: Tentori, Daniel, Mancini, Marco, Milli, Salvatore, Stigliano, Francesco, Tancredi, Simone, Moscatelli, Massimiliano, Sheldon, Nathan

Source: Sedimentology. 69(4):1705-1737

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100154041271.0x000001&indx=1&recIds=ETOCvdc_100154041271.0x000001

Investigating the behavior of mid-Archean tides and potential implications for biogeochemical cycling

Authors: Crawford, Eliana B., Arbic, Brian K., Sheldon, Nathan D., Ansong, Joseph K., Timko, Patrick G.

Source: In Precambrian Research 15 September 2022 380

Assessment of pretreatment methods on CIA-K and CALMAG indices and the effects on paleoprecipitation estimates

Authors: Michel, Lauren A., Sheldon, Nathan D., Myers, Timothy S., Tabor, Neil J.

Source: In Palaeogeography, Palaeoclimatology, Palaeoecology 1 September 2022 601

Late Permian soil-forming paleoenvironments on Gondwana: A review

Authors: Gulbranson, Erik L., Sheldon, Nathan D., Montañez, Isabel P., Tabor, Neil J., McIntosh, Julia A.

Source: In Palaeogeography, Palaeoclimatology, Palaeoecology 15 January 2022 586

C₃ plant carbon isotope discrimination does not respond to CO₂ concentration on decadal to centennial timescales

Authors: Stein, Rebekah A., Sheldon, Nathan D., Smith, Selena Y.

Source: The New Phytologist, 2021 Mar 01. 229(5), 2576-2585.

Access URL: https://www.jstor.org/stable/27001343

Incorporating lateral variability and extent of paleosols into proxy uncertainty

Authors: Dzombak, Rebecca M., Midttun, Nikolas C., Stein, Rebekah A., Sheldon, Nathan D.

Source: In Palaeogeography, Palaeoclimatology, Palaeoecology 15 November 2021 582

Revisiting the diachronous transition of C3 to C4 plants in the Himalayan foreland and other parts of the globe: A sedimentological perspective

Authors: Ghosh, Sambit, Bera, Melinda Kumar, Roy, Biswajit, Sanyal, Prasanta, Sheldon, Nathan

Source: Sedimentology. 68(6):2473-2499

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Calcretes and travertines from the Palaeocene Itaboraí Basin as evidence of the early evolution of the Southeastern Brazil Continental Rift

Authors: Adler, Paula Braga, De Ros, Luiz Fernando, Mansur, Kátia Leite, Ferrari, André Luiz, Fernandes, Luiz Alberto, Sial, Alcides Nóbrega, Sheldon, Nathan

Source: Sedimentology. 68(1):477-511

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Using Stable Carbon and Nitrogen Isotopes of Hair to Teach about Sustainable Agriculture through Active Learning

Authors: Cotton, Jennifer M., Sheldon, Nathan D.

Source: Journal of Geoscience Education. Feb 2013 61(1):59-67.

Peer Reviewed: Y

Page Count: 9

Sponsoring Agency: National Science Foundation (NSF)

Descriptors: College Students, Geology, Introductory Courses, Large Group Instruction, Sustainability, Agriculture, Active Learning, Nonmajors, Dietetics, Human Body, Environmental Education, Student Evaluation, Science Tests, Feedback (Response), Questionnaires, Outcomes of Education, Chemistry

Geographic Terms: Michigan

Carbon isotope ecology of gymnosperms and implications for paleoclimatic and paleoecological studies

Authors: Sheldon, Nathan D., Smith, Selena Y., Stein, Rebekah, Ng, Molly

Source: In Global and Planetary Change January 2020 184

Nutrient and iron cycling in a modern analogue for the redoxcline of a Proterozoic ocean shelf

Authors: Rico, Kathryn I., Sheldon, Nathan D.

Source: In Chemical Geology 20 April 2019 511:42-50

Associations between redox‐sensitive trace metals and microbial communities in a Proterozoic ocean analogue

Authors: Rico, Kathryn I., Sheldon, Nathan D., Kinsman‐Costello, Lauren E.

Source: Geobiology. 18(4):462-475

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Terrestrial microbialites provide constraints on the mesoproterozoic atmosphere

Authors: Hren, Michael T., Sheldon, Nathan D.

Source: Depositional record. 6(1):4-20

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100099757938.0x000001&indx=1&recIds=ETOCvdc_100099757938.0x000001