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The Indus-Yarlung suture zone or the Indus-Yarlung Tsangpo suture is a tectonic suture in southern Tibet and across the north margin of the Himalayas which resulted from the collision between the Indian Plate and the Eurasian Plate starting about 52 Ma. [1] The north side of the suture zone is the Ladakh Batholith of the Karakoram-Lhasa Block.
The modern day rate of convergence between the Indian and Eurasian plates is measured to be approximately 17 mm/yr. [21] This convergence is accommodated through seismic activity in active fault zones. As a result, the Himalayan range is one of the most seismically active regions in the world.
Tectonics; Status: Active: Type: Thrust fault: A geological map of the Himalaya region. The Main Himalayan Thrust underlies the rock units. ... It is the largest ...
Tectonics; Status: Active: Type: Thrust: The Main Frontal Thrust (MFT), also known as the Himalayan Frontal Thrust (HFT), is a geological fault in the Himalayas that ...
Map of Himalayan tectonostratigraphic zones. In geology, tectonostratigraphy is stratigraphy that refers either to rock sequences in which large-scale layering is caused by the stacking of thrust sheets, or nappes, in areas of thrust tectonics or to the effects of tectonics on lithostratigraphy.
By strain, the Main Central Thrust is defined as a broad zone which a few kilometers thick. This zone accommodates most of the ductile shear zones and brittle thrust faults between the lowermost part of the Greater Himalayan Crystalline complex and the uppermost part of the Lesser Himalayan Sequence. [7] [8]
The southern segment of the Karakoram Fault shows that only 120 km of dextral motion is evident from offset of geologic features, such as the Indus River and the South Kailas Thrust, [1] and that the strain in this region is almost entirely accommodated for by a north–south shortening in the Himalaya, just south of the Indus Suture Zone. [4]
Some use the term “transform fault" to describe the seismically and tectonically active portion of a fracture zone after John Tuzo Wilson's concepts first developed with respect to the Mid-Atlantic Ridge. [2] The term fracture zone has a distinct geological meaning, but it is also used more loosely in the naming of some oceanic features.