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 arise ...

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 ...

and Buryatia,

Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia North Asia or Northern Asia, also referred to as Siberia, is the northern region of Asia, which is defined in geographic ...

. Google Earth 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 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, 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). Pa ...

(1874 - 1944). He surveyed the river valley of the Chechuy, 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, 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 Russia, federal subjects of Irkutsk Oblast, I ...

. 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. 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 Chechuy, a Lena tributary, as well as numerous tributaries of the Kirenga, such as the Minya, Okunayka and Kutima, have their sources in the range.

Akitkan Orogen

The Akitkan Orogen forms a suture 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