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Diatom Oxygen Isotope Evidence of Pliocene (~4.68 to 3.44 Ma) Antarctic Ice Sheet Dynamics and Ross Sea Paleoceanography Data DOI: https://doi.org/10.15784/601220 Cite as Dodd, J., & Abbott, T. (2019) "Diatom Oxygen Isotope Evidence of Pliocene (~4.68 to 3.44 Ma) Antarctic Ice Sheet Dynamics and Ross Sea Paleoceanography" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601220. AMD - DIF Record(s) USAP-1443420_1 Abstract The Andrill-1B (AND-1B) sediment core from under the Ross Ice Shelf in McMurdo Sound, Antarctica, recovered a mid to late Pliocene (~4.68 to 3.44 Ma) age diatomite unit with d18Odiatom values that range from +32.6 to +37.6 ‰ (n=50 Creator(s): Dodd, Justin; Abbott, Tirzah Date Created: 2019-10-27 Repository: USAP-DC (current) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: 167.083333, East: 167.083333, South: -77.888889, North: -77.888889 Award(s) NSF 1443420 Version: 1 Related Project(s) Diatom and Oxygen Isotope Evidence of Pliocene Antarctic Ice Sheet Dynamics and Ross Sea Paleoceanography Keywords And-1B Andrill Antarctica Chemistry:sediment Delta 18O Diatom Mass Spectrometer Oxygen Isotope Paleoclimate Pliocene Sediment Wais Project West Antarctic Ice Sheet