Troughton Rocks (, ) are the group of rocks off the northwest extremity of Snow Island in the South Shetland Islands, Antarctica lying in an aquatory of 27 ha that is 315 m long in east-west direction and 120 m wide. The vicinity was visited by early 19th century sealers.L. Ivanov. General Geography and History of Livingston Island. In: Bulgarian Antarctic Research: A Synthesis. Eds. C. Pimpirev and N. Chipev. Sofia: St. Kliment Ohridski University Press, 2015. pp. 17–28
The feature is named after Edward Troughton (1753-1835), a British instrument maker who improved the theodolite design; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.
Location Troughton Rocks are centred at ,Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission which is 2.7 km west-northwest of Byewater Point. British mapping in 1968.
See also List of Antarctic and subantarctic islands
Maps South Shetland Islands. Scale 1:200000 topographic map. DOS 610 Sheet W 62 60. Tolworth, UK, 1968 L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010. (First edition 2009. ) 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. (details in Bulgarian, basic data in English)
External links Troughton Rocks. Adjusted Copernix satellite image