Sentinel Buttress
| Sentinel Buttress | ||
|---|---|---|
| height | 535 m | |
| location | James Ross Island ( Ross Islands , West Antarctica ) | |
| Coordinates | 64 ° 3 '36 " S , 58 ° 7' 54" W | |
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Sentinel Buttress ( English for Guardian Pillar ) is a 535 m high ledge on the West Antarctic James Ross Island . It rises to the east of the Nunatak palisade at the head of the Röhss Bay . A special feature of the formation is a volcanic breccia layer .
The UK Antarctic Place-Names Committee named it that way in 1987 because it is the dominant geographic feature in the area.
Web links
- Sentinel Buttress in the Geographic Names Information System of the United States Geological Survey (English)
- Sentinel Buttress on geographic.org (English)