Leskov Island is a small uninhabited island in the
Traversay Islands group of the
South Sandwich Islands
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. It is less than long, and lies west of
Visokoi Island. It was discovered in 1819 by a Russian expedition under
Fabian Gottlieb von Bellingshausen
Fabian Gottlieb Thaddeus von Bellingshausen (russian: Фадде́й Фадде́евич Беллинсга́узен, translit=Faddéy Faddéevich Bellinsgáuzen; – ) was a Russian naval officer, cartographer and explorer, who ultimatel ...
, who named it for the third lieutenant on the expedition ship ''
Vostok Vostok refers to east in Russian but may also refer to:
Spaceflight
* Vostok programme, Soviet human spaceflight project
* Vostok (spacecraft), a type of spacecraft built by the Soviet Union
* Vostok (rocket family), family of rockets derived from ...
''.
[
Leskov is located to the west of the main ]island arc
Island arcs are long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries. Most island arcs originate on oceanic crust and have resulted from the descent of the lithosphere into the mantle alon ...
of the South Sandwich Islands, and is composed of andesitic
Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomin ...
rather than basalt
Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90 ...
ic lava
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...
with its highest peak reaching . The subduction zone forming the South Sandwich Trench
The South Sandwich Trench is a deep arcuate trench in the South Atlantic Ocean lying to the east of the South Sandwich Islands. It is the deepest trench of the Southern Atlantic Ocean, and the second deepest of the Atlantic Ocean after the Puert ...
lies to the east of the island arc.[
The island is small and has only two named features, both named by the ]UK Antarctic Place-Names Committee
The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...
in 1971. Bowsprit Point is the island's northeast point, named for its resemblance to a bowsprit
The bowsprit of a sailing vessel is a spar extending forward from the vessel's prow. The bowsprit is typically held down by a bobstay
A bobstay is a part of the rigging of a sailing boat or ship. Its purpose is to counteract the upward tensio ...
, or prow of a ship. Rudder Point is the island's high, rocky southeast point, named in association with Bowsprit (as a rudder
A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adve ...
is at the opposite end of a ship from the bowsprit).
See also
* List of Antarctic and sub-Antarctic islands
References
{{SGSSI
Islands of the South Sandwich Islands
Volcanoes of the Atlantic Ocean
Volcanoes of South Georgia and the South Sandwich Islands
Uninhabited islands of South Georgia and the South Sandwich Islands