Mount Obiglio (74°27′S 131°50′W / 74.450°S 131.833°W / -74.450; -131.833) is a moderate rock summit (510 m) in the west-central portion of Grant Island, along the edge of the Getz Ice Shelf, coastal Marie Byrd Land. It consists of a volcanic cone that was formed by Strombolian and phreatomagmatic eruptions 0.51 million years ago.
Discovered and charted from the USS 1961–62. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant G.M. Obiglio, Argentine naval observer aboard Glacier, at the suggestion of the Task Unit Commander, Captain Edwin A. McDonald, USN.
References
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This article incorporates public domain material from "Mount Obiglio". Geographic Names Information System. United States Geological Survey. 
- "Obiglio". Global Volcanism Program. Smithsonian Institution. Retrieved 2020-03-17.
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