The Akitkan Range (russian: хребет Акиткан; zh, 阿基特坎山) is a

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have ari ...

Irkutsk Oblast Irkutsk Oblast (russian: Ирку́тская о́бласть, Irkutskaya oblast; bua, Эрхүү можо, Erkhüü mojo) is a federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara, Lena, and N ...

and

Buryatia Buryatia, officially the Republic of Buryatia (russian: Республика Бурятия, r=Respublika Buryatiya, p=rʲɪsˈpublʲɪkə bʊˈrʲætʲɪjə; bua, Буряад Улас, Buryaad Ulas, , mn, Буриад Улс, Buriad Uls), is ...

Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

Google Earth Google Earth is a computer program that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satellite images, aerial photography, and geog ...

The

Paleoproterozoic The Paleoproterozoic Era (;, also spelled Palaeoproterozoic), spanning the time period from (2.5–1.6 Ga), is the first of the three sub-divisions ( eras) of the Proterozoic Eon. The Paleoproterozoic is also the longest era of the Earth's ...

Akitkan Orogen is named after the range.

History

Between 1855 and 1858 Ivan Kryzhin (d. 1884) took part in the Eastern Siberian expedition led by Russian astronomer and traveler Ludwig Schwarz. In 1857 he mapped the

Kirenga River The Kirenga () is a river in Irkutsk Oblast in Russia. The name originated in an Evenki word. The length of the river is . The area of its basin is . There are many settlements in the river valley. The Baikal Amur Mainline follows and crosses ...

and, while exploring its right tributary, the Cherepanikha, Kryzhin discovered the formerly unknown Akitkan Range rising above the area of its source. The

North Baikal Highlands The North Baikal Highlands ( rus, Северо-Байкальское нагорье; bua, Хойто-Байгалай хадалиг газар)

, where the range rises, were explored between 1909 and 1911 by Russian geologist

Pavel Preobrazhensky Pavel ( Bulgarian, Russian, Serbian and Macedonian: Павел, Czech, Slovene, Romanian: Pavel, Polish: Paweł, Ukrainian: Павло, Pavlo) is a male given name. It is a Slavic cognate of the name Paul (derived from the Greek Pavlos). Pav ...

(1874 - 1944). He surveyed the river valley of the

Chechuy The Chechuy (russian: Чечуй) is a river in Irkutsk Oblast, Russia. It is a tributary of the Lena with a length of and a drainage basin area of . The river flows across an uninhabited area of the Kirensky District. Puschino village is loca ...

, a right tributary of the

Lena Lena or LENA may refer to: Places * Léna Department, a department of Houet Province in Burkina Faso * Lena, Manitoba, an unincorporated community located in Killarney-Turtle Mountain municipality in Manitoba, Canada * Lena, Norway, a village in ...

with its sources in the Akitkan.Физическая география СССР - Байкальско-Становая область
/ref> Overcoming numerous difficulties, Preobrazhensky managed to map for the first time a stretch of the Akitkan Range.

Geography

The Akitkan stretches roughly northwards for over from the northern end of the

Baikal Range The Baikal Mountains or Baikal Range (russian: Байкальский хребет, ''Bajkaljskij hrebet''; bua, Байгалай дабаан, ''Baigalai dabaan'') are a mountain range that rises steeply over the northwestern shore of Lake Baik ...

, northwest of

Lake Baikal Lake Baikal (, russian: Oзеро Байкал, Ozero Baykal ); mn, Байгал нуур, Baigal nuur) is a rift lake in Russia. It is situated in southern Siberia, between the federal subjects of Irkutsk Oblast to the northwest and the ...

. It is limited by the Cis-Baikal Depression (предбайкальская впадина) to the west, the Lena to the north and the Chaya river valley to the east. To the southeast rises the

Synnyr Synnyr (russian: Сынныр) is a mountain massif in Irkutsk Oblast and Buryatia, Russian Federation. The range is part of the Baikal Rift Zone.Google Earth There is potash mining in the range at the Synnyr mine. Geography The Synnyr stretches ...

. The highest summit is a high unnamed peak located at the southern end, west of the Ungdar Range. The heights of the range summits decrease from circa in the southern section to in the northern.

Hydrography

The

, a Lena tributary, as well as numerous tributaries of the

Kirenga The Kirenga () is a river in Irkutsk Oblast in Russia. The name originated in an Evenki word. The length of the river is . The area of its basin is . There are many settlements in the river valley. The Baikal Amur Mainline follows and crosses ...

, such as the Minya, Okunayka and Kutima, have their sources in the range.

Akitkan Orogen

The Akitkan Orogen forms a

suture Suture, literally meaning "seam", may refer to: Arts, entertainment, and media * ''Suture'' (album), a 2000 album by American Industrial rock band Chemlab * ''Suture'' (film), a 1993 film directed by Scott McGehee and David Siegel * Suture (ban ...

between the Anabar Shield to the northwest and the Aldan Shield to the southeast. It is a feature of the Siberian Craton known only from geophysical data along most of its extent because it is covered by younger rocks.John J. W. Rogers, M. Santosh, Madhava Warrier Santosh, ''Continents and Supercontinents'', p. 230

References

External links

Metallogeny of Northern, Central and Eastern Asia (Explanatory Note to the Metallogenic map of Northern–Central–Eastern Asia and Adjacent Areas at scale 1:2,500,000), St. Petersburg 2017
Mountain ranges of Russia Mountains of Irkutsk Oblast Mountains of Buryatia South Siberian Mountains {{IrkutskOblast-geo-stub