Yana Plateau

The Yana Plateau (Russian: Янское плоскогорье, Yakut: Дьааҥы хаптал хайалара) is a mountain plateau in the Sakha Republic, Far Eastern Federal District, Russia.[1]

Yana Plateau
Дьааҥы хаптал хайалара
Янское плоскогорье
Location in the Far Eastern Federal District, Russia
Highest point
PeakArga-Billyakh Massif
Elevation1,770 m (5,810 ft)
Geography
CountryRussia
Federal subjectSakha Republic
Range coordinates63°15′N 141°30′E
Parent rangeYana—Oymyakon Highlands,
East Siberian System
Geology
Age of rockTriassic
Type of rockSiltstone, shale, sandstone and Granite intrusions

The plateau lies in an uninhabited area where solitude prevails. It was first surveyed and mapped in 1868 by Gerhard von Maydell (1835–1894), a Russian Government officer in East Siberia of Estonian descent.[2]

Geography

The Yana Plateau is located in the middle basin of the Yana River. The Yana Plateau is limited by the Nendelgin Range, part of the Chersky Range to the northeast and by the Verkhoyansk Range to the southwest, connecting both mountain regions.[3]

Together with the Elgin Plateau to the south, it is part of the Yana—Oymyakon Highlands with which it forms a tectonic continuum. However, there is no clear geomorphological boundary with the Elgin Plateau. The average elevations of the plateau surface are between 450 metres (1,480 ft) and 800 metres (2,600 ft). Individual mountain massifs with elevations up to 1,500 metres (4,900 ft) rise above the plateau; the highest point is the 1,770 metres (5,810 ft) highest summit of the Arga-Billyakh Massif, located at 66°40′41″N 135°26′23″E between the Adycha and its tributary Borulakh.[4]

Hydrography

Generally rivers flow across the Yana Plateau from the south to the north, including the Yana River with its tributary Adycha and its tributaries Derbeke, Nelgese and Tuostakh, as well as the Sartang, Dulgalakh and Bytantay, among others. The middle courses of the Derbeke and the Nelgese, tributaries of the Adycha flowing northwards across the Yana Plateau, have swamps and numerous lakes, including Lake Emanda (Yakut: Эмандьа), the largest lake in the area.[5]

Flora

There are mainly taiga-type sparse larch forests on the plateau.[4]

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See also

References
  1. Google Earth
  2. Gerhard Baron von Maydell (1835–1894) und die Bedeutung seiner Forschungen in Nordost-Sibirien (in German)
  3. "Image: Operational_Navigation_Chart_C-6,_3rd_edition.jpg". commons.wikimedia.org. Retrieved 2020-01-22.
  4. Янское плоскогорье — Great Soviet Encyclopedia in 30 vols. / Ch. ed. A.M. Prokhorov - 3rd ed. - M, 1969–1978, p. 513
  5. "Ученые будут изучать озеро Еманда в Томпонском улусе Якутии — Вести Якутии". vesti14.ru. Retrieved 2020-01-22.
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