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One of the major depositional strata in the Himalaya is the Lesser Himalayan Strata from the Paleozoic to Mesozoic eras. It had a quite different marine succession during the Paleozoic , as most parts of it are sparsely fossiliferous or even devoid of any well-defined fossils .
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.
Satellite image of the Himalayas Spatial arrangement of the Himalayan tectonostratigraphic zones. Modified from N.R. McKenzie et al 2011 [1]. Pre-collisional Himalaya is the arrangement of the Himalayan rock units before mountain-building processes resulted in the collision of Asia and India.
The Lesser Himalayan Sequence is a unit emplaced before the mountain-building processes. [3] The Greater Himalayan Crystalline complex represents a high-grade unit moved towards SW from the hinterland. The Tethyan Himalayan Sequence represents strata deposited in the former passive margin in the Northern edge of Indian plate. [11] [12]
From south to north, the zones and the major faults separating them are the Main Frontal Thrust (MFT), Subhimalaya Zone (also called Sivalik), Main Boundary Thrust (MBT), Lesser Himalaya (further subdivided into the "Lesser Himalayan Sedimentary Zone (LHSZ) and the Lesser Himalayan Crystalline Nappes (LHCN)), Main Central thrust (MCT), Higher ...
Lesser Himalayan Strata; M. Main Frontal Thrust; Main Himalayan Thrust; S. Snowman Trek This page was last edited on 3 December 2021, at 08:41 (UTC). Text is ...
The Sub-Himalayan Sequence borders the Indo-Gangetic Floodplain along the Himalayan Frontal Fault and is dominated by thick Late Tertiary mollassic deposits known as the Siwaliks that resulted from the accumulating fluvial deposits on the southern front of the evolving Himalaya. In Nepal, it extends throughout the country from east to west in ...
By the difference in U-Pb detrital zircon ages, 1.87–2.60 Ga zircons have been reported from the Lesser Himalayan Sequence which is bound above by the Main Central Thrust, and 0.8–1.0 Ga zircons have been reported from the Greater Himalayan Sequence which is bound below by the Main Central Thrust. [5]