Rift valley
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A rift valley is a linear shaped lowland between several highlands or mountain ranges produced by the action of a geologic rift. Rifts are formed as a result of the pulling apart of the lithosphere du
African Rift Valley. From left to right: Lake Upemba, Lake Mweru, Lake Tanganyika (largest), and Lake Rukwa.
A rift valley near Quilotoa, Ecuador.
Þingvallavatn
Lake Baikal
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Lake Baikal is a rift lake and the deepest lake in the world. It is situated in southern Siberia, Russia, between the federal subjects of Irkutsk Oblast to the northwest and the Republic of Buryatia t
Rift valley
…commonly occur on a small scale, producing such features as sag ponds or landslides. Many of the world's largest lakes are located in rift valleys. Lake Baikal in Siberia, a World Heritage Site, lies in an active rift valley. Baikal is both the deepest lake in the world and, with 20% of all of the liquid…
Lake Baikal's water is especially clear
Spring ice melt underway on Lake Baikal, on 4 May, 2012
Ice cover survey on the lake
Circle of thin ice, diameter of 4.4 km (2.7 mi) at the lake's southern tip, probably caused by convection