Keystone cliffs
| Keystone cliffs | ||
|---|---|---|
| location | Alexander I Island ( West Antarctica ) | |
|
||
| Coordinates | 71 ° 34 ′ S , 68 ° 12 ′ W | |
The Keystone Cliffs are 610 m high cliffs on the east coast of the West Antarctic Alexander I Island . They form the eastern flank of a mountain ridge made of sedimentary rock between the Merkur Glacier and the Venus Glacier .
The cliffs were measured in 1936 by the British Graham Land Expedition (1934-1937) and in 1948 by the Falkland Islands Dependencies Survey (FIDS). The FIDS named the cliff so because their rock ( English stone ) the symbolic key (English key group) for general tectonic structure of the area.
Web links
- Keystone Cliffs in the Geographic Names Information System of the United States Geological Survey (English)
- Keystone Cliffs on geographic.org (English)