Delyun-Uran Range

The Delyun-Uran Range (Russian: Делюн-Уранский хребет, romanized: Delyun-Uranskiy khrebet) is a mountain range in Irkutsk Oblast and Buryatia, Russia, part of the Stanovoy Highlands.

Delyun-Uran Range
Делюн-Уранский хребет
Delyun-Uran Gorges map section
Highest point
PeakUnnamed
Elevation2,337 m (7,667 ft)
Coordinates56°34′20″N 113°48′41″E
Dimensions
Length350 km (220 mi) ENE-WSW
Width80 km (50 mi)
Geography
Delyun-Uran Range is located in Republic of Buryatia
Delyun-Uran Range
Location in Buryatia
CountryRussia
Federal subjectBuryatia / Irkutsk Oblast
Range coordinates56°48′N 114°0′E
Parent rangeStanovoy Highlands
South Siberian System
Geology
OrogenyAlpine orogeny
Age of rockArchean and Proterozoic
Type of rockSchist, gneiss, Limestone
Climbing
Easiest routeFrom Bodaybo

The nearest airport is Bodaybo Airport[1]

History

This remote mountain area was first explored by Peter Kropotkin and Ivan Polyakov during the 1866 Olyokma-Vitim expedition of the East Siberian branch of the Imperial Russian Geographical Society.[2] Kropotkin named the range after the area of conspicuous rapids of the Vitim river in the gorge where it crosses the range northwards (Делюн-Уранский порог). He described the range as a "desolate, gloomy place".[3]

The Vitim Nature Reserve was established in the eastern part of the range and neighboring mountainous areas in 1982.[4]

Geography

This mountain range is located in the Baikal Rift Zone and it is part of the Baikal-Stanovoy Region. The Delyun-Uran is the northernmost subrange of the Stanovoy Highlands. It runs roughly parallel to the Northern Muya Range just north of it. The range stretches from southwest to northeast for about 350 km from the Churo River, a tributary of the upper course of the Upper Angara river, to lake Nichatka.[5]

The gorges of the Vitim River are located in the eastern section, dividing the upper course of the Vitim from its lower basin. The western section of the range is in Buryatia and the eastern in Irkutsk Oblast. A small part at the eastern end is in Zabaykalsky Krai. The Vitim crosses the range in its northeastern part. The highest point of the range is a 2,337 metres (7,667 ft) high peak located between the Upper Angara sources and the Mamakan uppermost reaches.[6]

A rare, exposed argillite outcrop is found in the range.[7]

Hydrography

River Upper Angara, flowing into Lake Baikal, originates in the slopes of the range. The Mamakan cuts across the range. Lake Oron is located south of the eastern section of the range.[8]

Flora

The slopes of the range are mainly covered with mountain taiga, with pre-alpine woodland and mountain tundra at higher elevations.[9][10]

See also

References
  1. Google Earth
  2. P. Kropotkin and I. Polyakov, "Report on the Olyokma-Vitim Expedition" vol. III - 1873 («Физико-географические исследования» (ib., 1873, т. IX), «Отчет об Олекминско-Витимской экспедиции 1866 г.»).
  3. Porog Delyun-Uran
  4. Витимский заповедник - ООПТ РОССИИ
  5. Физическая география СССР - Ландшафтные области гор Южной Сибири - Байкальско-Становая область
  6. "Topographic Map of the USSR O-49G".
  7. E.M. Ineshin & A.V. Tetenkin. (2017) Humans and the Environment in Northern Baikal Siberia During the Late Pleistocene, p. 299
  8. "N-49 Chart (in Russian)". Retrieved 20 November 2021.
  9. Umbilicariaceae (lichenized Ascomycota) from the Stanovoye Nagor'e Highlands (South Siberia, Russia)
  10. Baikal Nature - Делюн-Уранский хребет
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