USAP-DC

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Particle-size measurements for diamictites AND-2A sediment core, McMurdo Sound Data DOI: https://doi.org/10.15784/601452 Cite as Passchier, S., & Hansen, M. (2021) "Particle-size measurements for diamictites AND-2A sediment core, McMurdo Sound" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601452. AMD - DIF Record(s) NSF-ANT08-38842 Abstract This dataset contains measurements of particle-size distributions on four intervals of diamicitites from ANDRILL Site AND-2A. Carbonate, and organic matter were removed through addition of 10mL aliquots of 30% H2O2 and 2mL aliquots of 10% HCl to ~50-100mL suspension on a hot plate. Dispersion was through heating with sodium pyrophosphate. Samples were measured on a Malvern Mastersizer 2000 with a Hydro 2000MU (A) accessory, using a Refractive index of 1.544 (Quartz) and an absorption coefficient of 0.9. Results are in (vol. %) per size class, with diameter range equivalent to the diameter of spheres with the same volume as measured particles. Creator(s): Passchier, Sandra; Hansen, Melissa A. Date Created: 2021-06-14 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: 167.0833, East: 167.0833, South: -77.8889, North: -77.8889 Award(s) NSF 0838842 Version: 1 Related Project(s) Determining Middle Miocene through Pliocene Changes in Paleo Ice-flow and Basal Ice Conditions in East Antarctica through Sedimentological Analyses of Core Samples References Passchier, S, Hansen, M.A. Rosenberg, J., 2021. Quartz grain microtextures illuminate Pliocene periglacial sand fluxes on the Antarctic continental margin. Submitted to The Depositional Record. Keywords Antarctica Mcmurdo Sound Miocene Particle Size Pleistocene Pliocene