Chatkal Range is a range in the Western

Tian Shan The Tian Shan, also known as the Tengri Tagh or Tengir-Too, meaning the "Mountains of God/Heaven", is a large system of mountain ranges in Central Asia. The highest peak is Jengish Chokusu at high and located in Kyrgyzstan. Its lowest point is ...

that borders

Ferghana Valley The Fergana Valley (also commonly spelled the Ferghana Valley) in Central Asia crosses eastern Uzbekistan, southern Kyrgyzstan and northern Tajikistan. Encompassing three former Soviet republics, the valley is ethnically diverse and relation ...

from northwest. It departs from Talas range and spreads out to south-west to the right bank of Angren (river). The length of the range is , and it is up to wide. The highest elevations of the Chatkal Range are located in its north-east part. The ridge is crowned by pointed peaks with elevations of with Avletim peak - being the highest point. Between peaks are saddles and mountain passes: Avletim - , Shaar - , Semiz-Bel - , Chanach - , Tush-Atu - , Chapchyma - , and Chaykyldy - . Northern slopes are steep and short, while southern ones are gentle. The range is composed by primarily of

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

granite Granite ( ) is a coarse-grained (phanerite, phaneritic) intrusive rock, intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly coo ...

, and

schist Schist ( ) is a medium-grained metamorphic rock generally derived from fine-grained sedimentary rock, like shale. It shows pronounced ''schistosity'' (named for the rock). This means that the rock is composed of mineral grains easily seen with a l ...

. The axial line of the range is composed of limestone of Lower

Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...

and Upper

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

References

Mountain ranges of Kyrgyzstan Mountain ranges of Uzbekistan Mountain ranges of the Tian Shan {{kyrgyzstan-geo-stub