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Volcanological and Petrological measurements on Mt. Early and Sheridan Bluff volcanoes, upper Scott Glacier, Antarctica Data DOI: https://doi.org/10.15784/601331 Cite as Panter, K. (2020) "Volcanological and Petrological measurements on Mt. Early and Sheridan Bluff volcanoes, upper Scott Glacier, Antarctica " U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601331. AMD - DIF Record(s) USAP-1443576_1 Abstract Mt. Early and Sheridan Bluff (87°S) are the above ice expression of Earth’s southernmost volcanic field that lies approximately 300 km from the South Pole. The dataset supplies the locations and lithological descriptions of the units that the samples were collected from for dating and petrological study. Fundamental compositional information on the mafic volcanic rock samples include whole rock MgO concentrations (wt.%), the forsterite content of olivine and the oxygen isotopic composition of olivine. The dataset also provides a record of what samples have been analyzed for major and trace elements by XRF and ICP-MS, mineral chemistry by EMPA, radiogenic isotopes of Sr, Nd and Pb on whole rock powders by ICP-MS and dating by 40Ar/39Ar method. Creator(s): Panter, Kurt Date Created: 2020-06-05 Repository: USAP-DC (current) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -154.1, East: -153.4, South: -87.1, North: -86.9 Award(s) NSF 1443576 Version: 1 Related Project(s) Investigating Early Miocene Sub-ice Volcanoes in Antarctica for Improved Modeling and understanding of a Large Magmatic Province References Panter, K.S., Reindel, J., Smellie, J.L. (in press), Chapter 5.3b Mt. Early & Sheridan Bluff II. Petrology. In: J.L. Smellie, K.S. Panter, A. Geyer (Eds.), Volcanism in Antarctica: 200 Million Years of Subduction, Rifting and Continental Break-Up Geological Society, London, Memoirs, 53 (doi:10.1144/M53-xxxx-xx) Smellie, J.L., Panter, K.S., Reindel, J. (in press), Chapter 5.3a Mt. Early & Sheridan Bluff I. Volcanology. In: J.L. Smellie, K.S. Panter, A. Geyer (Eds.), Volcanism in Antarctica: 200 Million Years of Subduction, Rifting and Continental Break-Up Geological Society, London, Memoirs, 53 (doi:10.1144/M53-xxxx-yy) Reindel, J. L. 2018. The origin of basalt and cause of melting beneath East Antarctica as revealed by the southernmost volcanoes on Earth. M.Sc. Thesis, Bowling Green State University, 92 pp. (http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1542379105898001) Keywords Antarctica Chemistry:rock Geochronology Glacial Volcanism Magma Differentiation Major Elements Mantle Melting Solid Earth Trace Elements Transantarctic Mountains