Mount Harcourt, Victorialand, Antarctica

Location: 72.3S, 170.1E
Elevation: 5,153 feet (1,571 m)

Mount Harcourt is a stratovolcano. Mount Harcourt and three overlapping shield volcanoes make the Hallett Peninsula. The Hallett Peninsula extends into the Ross Sea and is about 375 miles (600 km) south of Erebus. Two dates obtained for rocks on the peninsula are 5.5 and 6.6 million years. Rock samples analyzed from the peninsula are alkalic in composition. Photograph by Warren Hamilton, U.S. Geological Survey, November 15, 1964.

Sources of Information:

Hamilton, W., 1972, The Hallett Volcanic Province, Antarctica: U.S. Geological Survey Professional Paper 456C, 62 p.

McIntosh, W.C., and Kyle, P.R., 1990, A.I. Hallett Volcanic Province, in LeMasurier, W.E., and Thomson, J.W., eds., Volcanoes of the Antarctica Plate and Southern Oceans, American Geophysical Union, Antarctica Research Series, v. 48, p. 26-47.

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