Borda Rock
Location of Smith Island in the South Shetland Islands | |
| Geography | |
|---|---|
| Location | Antarctica |
| Coordinates | 62°55′01.6″S 62°32′15″W / 62.917111°S 62.53750°W |
| Archipelago | South Shetland Islands |
| Area | 1.46 ha (3.6 acres) |
| Length | 270 m (890 ft) |
| Width | 90 m (300 ft) |
| Administration | |
| Administered under the Antarctic Treaty | |
| Demographics | |
| Population | uninhabited |
Borda Rock (Bulgarian: скала Борда, romanized: skala Borda, IPA: [skɐˈla borˈda]) is the rock off the NW coast of Smith Island in the South Shetland Islands, Antarctica 270 m long in southwest-northeast direction and 90 m wide (extending 543 by 175 m together with the adjacent minor rocks). Its surface area is 1.46 ha. The vicinity was visited by early 19th century sealers.
The feature is named after Jean-Charles de Borda (1733-1799), a French mathematician, physicist and Navy officer who refined the reflecting circle; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.