Tegra Nunatak (, ‘Nunatak Tegra’ \'nu-na-tak 'te-gra\) is the mostly ice-free rocky ridge extending 2.6 km in east–west direction and 700 m wide, rising to 1075 mReference Elevation Model of Antarctica.
Polar Geospatial Center. University of Minnesota, 2019 at the west extremity of

Elgar Uplands The Elgar Uplands () are uplands rising to , between Tufts Pass to the north and Sullivan Glacier to the south, in the northern part of Alexander Island, Antarctica. They were first photographed from the air and roughly mapped by the British Grah ...

in northern

Alexander Island Alexander Island, which is also known as Alexander I Island, Alexander I Land, Alexander Land, Alexander I Archipelago, and Zemlja Alexandra I, is the largest island of Antarctica. It lies in the Bellingshausen Sea west of Palmer Land, Antarcti ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

. It surmounts Delius Glacier to the southeast and

Nichols Snowfield Nichols Snowfield () is a snowfield, 22 nautical miles (41 km) long and 8 nautical miles (15 km) wide, bounded by the Rouen Mountains and Elgar Uplands to the east and Lassus Mountains to the west, in the north part of Alexander Island, Antarctic ...

to the north and west. The nunatak was visited on 30 January 1988 by the geological survey team of

Christo Pimpirev Christo Pimpirev () is a Bulgarian scientist (geologist) and polar explorer. Academic career He was born on Friday, 13 February 1953 in Sofia, Bulgaria. After graduating from Sofia University with a master's degree in geology in 1978 and getti ...

and Borislav Kamenov (First Bulgarian Antarctic Expedition), and Philip Nell and Peter Marquis (

British Antarctic Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of list of global issues, global issues, and to provide an active prese ...

). The feature is named after the ancient

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...

fortress of Tegra in Northeastern Bulgaria.

Location

The ridge is located at , which is 5 km north-northeast of Nebush Nunatak, 8.1 km southeast of Shaw Nunatak and 9.38 km south by east of Lizard Nunatak.

Maps

* British Antarctic Territory. Scale 1:200000 topographic map. DOS 610 – W 69 70. Tolworth, UK, 1971
Antarctic Digital Database (ADD).
Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated

Notes

References

Bulgarian Antarctic Gazetteer.

Antarctic Place-names Commission The Antarctic Place-names Commission was established by the Bulgarian Antarctic Institute in 1994, and since 2001 has been a body affiliated with the Ministry of Foreign Affairs (Bulgaria), Ministry of Foreign Affairs of Bulgaria. The Commis ...

. (details in Bulgarian
basic data
in English)
Tegra Nunatak.
SCAR

Composite Gazetteer of Antarctica The Composite Gazetteer of Antarctica (CGA) of the Scientific Committee on Antarctic Research (SCAR) is the authoritative international gazetteer containing all Antarctic toponyms published in national gazetteers, plus basic information about th ...

External links

Tegra Nunatak.
Copernix satellite image Nunataks of Alexander Island Bulgaria and the Antarctic {{AlexanderIsland-geo-stub