Spilite Arch

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Spilite Arch is a natural stone arch at the eastern end of Annenkov Island, formed by a pillar of rock, 100 feet high, joined to the adjacent cliffs by a spilite sill.

The arch was named following geological work on the island by the British Antarctic Survey in the 1972-73 season.

Location

References

  • Gazetteer and Map of South Georgia and the South Sandwich Islands: Spilite Arch