Lena-Angara Plateau
| Lena-Angara Plateau Лено-Ангарское плато | ||
|---|---|---|
 Satellite picture of the Irkutsk-Cheremkhovo Plain and the Lena-Angara Plateau | ||
| Highest point | ||
| Peak | Namai | |
| Elevation | 1,509 m (4,951 ft) | |
| Coordinates | 55°29′58.45″N 106°42′12.64″E / 55.4995694°N 106.7035111°E[1] | |
| Dimensions | ||
| Length | 600 km (370 mi) | |
| Width | 380 km (240 mi) | |
| Area | 20,000 km2 (7,700 sq mi) | |
| Geography | ||
  Lena-Angara Plateau Лено-Ангарское плато Location in Irkutsk Oblast, Russia | ||
| Country | Federal subject Irkutsk Oblast | |
| Range coordinates | 55°30′N 105°0′E / 55.500°N 105.000°E | |
| Parent range | Central Siberian Plateau | |
| Geology | ||
| Age of rock | Cambrian and Ordovician | |
| Type of rock | Limestone, dolomite, sandstone | |
The Lena-Angara Plateau (Russian: Лено-Ангарское плато),
The plateau has rich mining areas where iron and copper ores are extracted, as well as rock-salt, talc and mica.[2] The Lena-Angara Plateau is mostly sparsely populated. The biggest settlements are Ust-Kut, Kirensk, Zheleznogorsk-Ilimsky, as well as the villages of Zhigalovo and Kachug. The Bratsk Reservoir is located in the plateau area.[3]
Geography
The Lena-Angara Plateau rises in the middle part of Irkutsk Oblast, between the
To the north the Lena-Angara Plateau merges with the
Hydrography
The plateau is dissected by deep river valleys with average depths ranging between 600 meters (2,000 ft) and 200 meters (660 ft). The upper course of river Lena crosses the plateau roughly from south to north. Its tributaries Kirenga, Ilga, Tutura, Tayura and Kuta join it in the plateau area.[3][5] The plateau also includes highly developed karst forms such as the Botovskaya Cave.[7]
Flora
There are
See also
References
- ^ a b "N-48 Chart (in Russian)". Retrieved 3 September 2021.
- ^ a b c BRE - ЛЕ́НО-АНГА́РСКОЕ ПЛАТО́
- ^ a b c d Google Earth
- ^ Горы Иркутской области - ИРКИПЕДИЯ
- ^ a b c Лено-Ангарское плато — Great Soviet Encyclopedia in 30 vols. / Ch. ed. A.M. Prokhorov - 3rd ed. - M, 1969-1978.
- ^ URSS 1,000,000 scale Operational Navigation Chart; Sheet E-8
- ^ Kolesnikova E. Exploration of the longest limestone cave in Russia. Svet, 1993, no. 4 (10). pp. 23-25
