The Angara Range (russian: Ангарский кряж) is a mountain range in

Krasnoyarsk Krai Krasnoyarsk Krai ( rus, Красноя́рский край, r=Krasnoyarskiy kray, p=krəsnɐˈjarskʲɪj ˈkraj) is a federal subject of Russia (a krai), with its administrative center in the city of Krasnoyarsk, the third-largest city in Si ...

and

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 ...

Russia 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 ...

, part of the

Central Siberian Plateau The Central Siberian Plateau (russian: Среднесибирское плоскогорье, Srednesibirskoye ploskogorye; sah, Орто Сибиир хаптал хайалаах сирэ) is a vast mountainous area in Siberia, one of the Gre ...

. Google Earth There are large iron ore deposits in the area of the Angara Range.

Geography

The Angara Range is made up of hills of moderate height roughly aligned from southwest to northeast in the southeastern part of the Central Siberian Plateau. It stretches for about from the northern foothills of the

Eastern Sayan The Sayan Mountains (russian: Саяны ''Sajany''; mn, Соёны нуруу, ''Soyonï nurû''; otk, 𐰚𐰇𐰏𐰢𐰤, Kögmen) are a mountain range in southern Siberia, Russia (Buryatia, Irkutsk Oblast, Krasnoyarsk Krai, Tuva Republic ...

in the east to the upper basin of the

Lower Tunguska The Nizhnyaya Tunguska ( rus, Ни́жняя Тунгу́ска, p=ˈnʲiʐnʲɪjə tʊnˈɡuskə, meaning "Lower Tunguska") is a river in Siberia, Russia, that flows through the Irkutsk Oblast and the Krasnoyarsk Krai. The river is a right trib ...

river. To the east and southeast the range smoothly merges with the higher

Lena-Angara Plateau The Lena-Angara Plateau ( rus, Лено-Ангарское плато), is a plateau in Siberia. Administratively it is in the Irkutsk Oblast, Russian Federation. The plateau is named after the Lena and Angara rivers, of which it forms the waters ...

. The highest summit is an unnamed high peak located in the southern part. The middle stretch of the range has lower maximum altitudes, which increase in the northern part where high Irina Peak is located. The ridges of the range are roughly parallel, They have gently sloping interfluves, composed of Lower

Paleozoic The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon. The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838 by combining the Greek words ''palaiós'' (, "old") and ' ...

carbonate rock Carbonate rocks are a class of sedimentary rocks composed primarily of carbonate minerals. The two major types are limestone, which is composed of calcite or aragonite (different crystal forms of CaCO3), and dolomite rock (also known as dolosto ...

terrigenous sediment In oceanography, terrigenous sediments are those derived from the erosion of rocks on land; that is, they are derived from ''terrestrial'' (as opposed to marine) environments. Consisting of sand, mud, and silt carried to sea by rivers, their c ...

s and

stratigraphic trap In petroleum geology, a trap is a geological structure affecting the reservoir rock and caprock of a petroleum system allowing the accumulation of hydrocarbons in a reservoir. Traps can be of two types: stratigraphic or structural. Structural trap ...

s.Ангарский кряж
— ''

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...

:'' in 30 vols. / Ch. ed.

A.M. Prokhorov Alexander Mikhailovich Prokhorov (born Alexander Michael Prochoroff, russian: Алекса́ндр Миха́йлович Про́хоров; 11 July 1916 – 8 January 2002) was an Australian-born Soviet-Russian physicist known ...

. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978.

Hydrography

The southern and central areas of the range are drained by a few left and right tributaries of the Angara which form small waterfalls and rapids when crossing the trap zones. The

and Stony Tunguska rivers, right tributaries of the

Yenisei The Yenisey (russian: Енисе́й, ''Yeniséy''; mn, Горлог мөрөн, ''Gorlog mörön''; Buryat: Горлог мүрэн, ''Gorlog müren''; Tuvan: Улуг-Хем, ''Uluğ-Hem''; Khakas: Ким суғ, ''Kim suğ''; Ket: Ӄук, ...

, originate in the northern slopes.

Flora

The hills of the range are mainly covered with

larch Larches are deciduous conifers in the genus ''Larix'', of the family Pinaceae (subfamily Laricoideae). Growing from tall, they are native to much of the cooler temperate northern hemisphere, on lowlands in the north and high on mountains fur ...

taiga Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruc ...

in the northeastern part of the range, with

pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accepts ...

, fir and

Siberian Pine ''Pinus sibirica'', or Siberian pine, in the family Pinaceae is a species of pine tree that occurs in Siberia from 58°E in the Ural Mountains east to 126°E in the Stanovoy Range in southern Sakha Republic, and from Igarka at 68°N in the lower ...

in the southwestern section.

References

Central Siberian Plateau Mountains of Krasnoyarsk Krai Mountains of Irkutsk Oblast {{IrkutskOblast-geo-stub ru:Ангарский кряж

Geography

Hydrography

Flora

See also

References