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The Lesser Himalaya (LH) tectonic plate is mainly formed by Upper Proterozoic to lower Cambrian detrital sediments from the passive Indian margin intercalated with some granites and acid volcanics (1840 ±70 Ma [17]). These sediments are thrust over the Sub-himalayan range along the Main Boundary Thrust (MBT).
Lower Himalayan Range in Tansen, Nepal with the Great Himalayas in the background. The Lower Himalayan Range, also called the Lesser Himalayas or Himachal, is one of the four parallel sub-ranges of the Himalayas. [1] [2] It has the Great Himalayas to the north and the Sivalik Hills to the south.
The Himalayan mountain chain is a fold and thrust belt that can be divided into four units bounded by thrusts from south to north: the Sub-Himalaya, Lesser Himalaya, Greater Himalaya and Tethyan Himalaya. [1] The Lesser Himalayan Zone has a lower relief and elevation of the mountains compared to Greater Himalaya.
The Lesser Himalaya also called the Lower Himalaya, or the Midlands, is a thick (about 7 km) section of para-autochthonous crystalline rocks made up of low- to medium-grade rocks. These lower Proterozoic clastic rocks [11] are subdivided into two groups.
The geology of Himachal Pradesh is dominated by Precambrian rocks that were assembled and deformed during the India-Asia collision and the subsequent Himalayan orogeny. The Northern Indian State Himachal Pradesh is located in the Western Himalaya (Fig. 1).
The Himalayas, or Himalaya (/ ˌ h ɪ m ə ˈ l eɪ. ə, h ɪ ˈ m ɑː l ə j ə / HIM-ə-LAY-ə, hih-MAH-lə-yə) [b] is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has several peaks exceeding an elevation of 8,000 m (26,000 ft) including Mount Everest, the highest mountain on ...
the Greater Himalayan Crystalline complex, which is mainly composed by high-grade gneiss and migmatite, fringed below by the Main Central Thrust and the South Tibetan Detachment; and; the Tethyan Himalayan Sequence, mainly composed by Proterozoic to Eocene sediments, deformed in a Paleogene fold-thrust belt, fringed below by the South Tibetan ...
The Himalaya offers many opportunities to study all factors that go into mountain building such as continental collisions, erosion, and even climatic changes. In order to understand the structural complexity of the Himalaya orogen, understanding the South Tibet detachment is critical to figuring out the exact time and processes involved in the ...