Himalayan Thrusts and Structural Belts
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The Lesser Himalayan Tectogen has several structural belts demarcated by well-defined thrust planes and imbricate zones. The Himachal Himalaya has the maximum development of these structural belts.
Another important aspect of Lesser Himalayan tectogen is the extensive detachment of cover rocks along the planes of unconformity or even bedding.
Along the northern margin of the Tethys Himalayan tectogen, the thrust sheets generally have a NE-directed movement, whereas along the southern margin the thrust sheets have SW-directed movement. The highest allochthon in the Himalaya is represented by the Shilakong and Jungbwa ophiolite nappes.
The Indus Tectonic Zone borders the Himalaya along its northern margin and is represented by two structural belts viz. the Sangeluma and Indus belts.
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