The Fergana Range ( ky, Фергана тоо кыркасы, ''Ferğana tó qırqası/Fergana too kyrkasy'', فەرعانا توو قىرقاسى), also known as Ferganskiy Khrebet (Феранский Хребет) ''Ferganskij Hrebet'' in Russian, meaning “Ferghana Mountain” in English) is a mountain range of the

Tian Shan The Tian Shan,, , otk, 𐰴𐰣 𐱅𐰭𐰼𐰃, , tr, Tanrı Dağı, mn, Тэнгэр уул, , ug, تەڭرىتاغ, , , kk, Тәңіртауы / Алатау, , , ky, Теңир-Тоо / Ала-Тоо, , , uz, Tyan-Shan / Tangritog‘ ...

in the

Kyrgyz Republic Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the east ...

. The length of the range is 206 km, and the average height is 3600 m above sea level. The highest Mountain is 4893 m ASL.

Geography

The Fergana Range stretches from north-west to south-east, separating the

Fergana Valley The Fergana Valley (; ; ) in Central Asia lies mainly in eastern Uzbekistan, but also extends into southern Kyrgyzstan and northern Tajikistan. Divided into three republics of the former Soviet Union, the valley is ethnically diverse and in the ...

and the inner Tian Shan. The south-east section of the range is higher. It joins the

Torugart Ridge Torugart Pass (; ; ) is a mountain pass in the Tian Shan mountain range near the border between the Naryn Region of Kyrgyzstan and the Xinjiang Autonomous Region of China. It is one of two border crossings between Kyrgyzstan and China, the other ...

and the Alaykuu Ridge via the Söök Pass (4024 m). The South-west slope is long and low-sloped, the north-east - short and steep. Mountain ranges southwest are denoted by collective term:

Pamir-Alay The Pamir-Alay (also ''Pamiro-Alay'', russian: Памиро-Алай) is a mountain system in Tajikistan, Kyrgyzstan and Uzbekistan, encompassing four main mountain ranges extending west from the Tian Shan Mountains, and located north of the main ...

system.

Geology

The Fergana Range is composed of

schist Schist ( ) is a medium-grained metamorphic rock showing pronounced schistosity. This means that the rock is composed of mineral grains easily seen with a low-power hand lens, oriented in such a way that the rock is easily split into thin flakes o ...

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

, and other sedimentary metamorphic formations ruptured by intrusions of

gabbro Gabbro () is a phaneritic (coarse-grained), mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into a holocrystalline mass deep beneath the Earth's surface. Slow-cooling, coarse-grained gabbro is che ...

and

diabase Diabase (), also called dolerite () or microgabbro, is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine-graine ...

References

Mountain ranges of Kyrgyzstan Naryn Region Osh Region Jalal-Abad Region Mountain ranges of the Tian Shan {{kyrgyzstan-geo-stub