Zykov Glacier () is a

valley A valley is an elongated low area often running between Hill, hills or Mountain, mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers ...

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...

in northern Victoria Land,

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

, east of Saddle Peak and Mount Kostka in the

Anare Mountains The Anare Mountains () are a large group of mainly snow-covered peaks and ridges along the northern coast of Victoria Land, Antarctica. The group is bounded on the north and east by the Pacific Ocean, on the west by Lillie Glacier, and on the sou ...

. It is about 25 miles (40 km) long, and flows northwest, reaching the

Pennell Coast Pennell Coast is that portion of the coast of Antarctica between Cape Williams and Cape Adare. To the west of Cape Williams lies Oates Coast, and to the east and south of Cape Adare lies Borchgrevink Coast. Named by New Zealand Antarctic Place- ...

between

Cape Williams Cape Williams () is an ice-covered cape in Antarctica. It is the termination of Buell Peninsula at the east side of the terminus of Lillie Glacier at the lower ends of George Glacier and Zykov Glacier. The peninsula is 15 nautical miles (28 km) ...

and Cooper Bluffs. Photographed by the

Soviet Antarctic Expedition The Soviet Antarctic Expedition (SAE or SovAE) (russian: Советская антарктическая экспедиция, САЭ, ''Sovetskaya antarkticheskaya ekspeditsiya'') was part of the Arctic and Antarctic Research Institute of the So ...

from the survey ship ''Ob'' in 1958, it was named by them for student navigator Ye. Zykov, who died in Antarctica, February 3, 1957. The underlying rock includes micaceous

phyllite Phyllite ( ) is a type of foliated metamorphic rock created from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation.Stephen Marshak ''Essentials of Geology'', 3rd ed. It is primarily compo ...

and micaceous

schist Schist ( ) is a medium-grained metamorphic rock showing pronounced schistosity. This means that the rock is composed of mineral grains easily seen with a low-power hand lens, oriented in such a way that the rock is easily split into thin flakes o ...

; it was estimated by radioisotope dating ( potassium–argon) in 1964 to be 410 or 420 million years old. A separate study of

metamorphic rock Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock (protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, causin ...

s recovered from near the glacier (1959–62) found evidence of thermal crystallisation.
Scientific and Technical Aerospace Reports
' 6 (5): 651

See also

References

Further reading