9/24/2023 0 Comments Himalayas plate boundaryThe boundary between India and the Antarctic plate is also marked by an oceanic ridge (divergent boundary) running in roughly W-E direction and merging into the spreading site, a little south of New Zealand. The crash site Martin is investigating is the Himalayas, a 1,400-mile mountain range that rose when the Indian and Eurasian tectonic plates scrunched.It further extends along the Makrana coast (Pakistan and Iranian coasts) and joins the spreading site from the Red Sea rift (Red Sea rift is formed due to the divergence of Somali plate and Arabian plate) south-eastward along the Chagos Archipelago (Formed due to hotspot volcanism). The Western margin follows Kirthar Mountain of Pakistan.The eastern margin is a spreading site lying to the east of Australia in the form of an oceanic ridge in SW Pacific.It was so named by the Swiss geologist Augusto Gansser in his Geology of. In the east, it extends through Rakinyoma Mountains (Arakan Yoma) of Myanmar towards the island arc along the Java Trench. The Indus-Tsangpo Suture Zone marks the boundary between the Indian and Asian plates.The subduction zone along the Himalayas forms the northern plate boundary in the form of continent-continent convergence. The Indonesian Islands, Himalaya Mountains and the Alps are all convergent plate boundaries long the southern edge of the Eurasian plate.The Indian plate includes Peninsular India and the Australian continental portions.Divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Geologic history cross section of the Himalayas Over the past 65 million years, powerful global plate-tectonic forces have moved Earth ’s crust to form the band of Eurasian mountain rangesincluding the Himalayasthat stretch from the Alps to the mountains of Southeast Asia. Illustration of the Main Types of Plate Boundaries 55 k Divergent boundaries. *sometimes one does go down more than the other but it does not get reworked, they just get fused together in a lopsided fashion.Context : A recent survey has found that a tectonic fault line that runs through Ladakh, all along the indus river, is not inactive as was previously thought. Plate boundary zones - broad belts in which boundaries are not well defined and the effects of plate interaction are unclear. This is the only boundary like this on earth right now, so it seems weird to us, but this type of collision has happened before they are just rarer. Watch video footage of Kathmandu with a graph of GPS motion at 2min 55sec provided. This animation discusses regional processes and focusses on the 2015 Nepal earthquake. There are 3000 km of the Himalayas with Mount Everest being the highest peak (8848m). The enormous pressure forces resulting from this shock caused a gigantic mountain uplift. 40 million years ago, the Indian plate collided with the Eurasian plate. However, the historical earthquake record indicates that the largest occur on the shallow portion of the megathrust boundary. The Indo-Australian tectonic plate containing the continent of Australia, the Indian subcontinent, and surrounding ocean was pushed northward by the convection currents generated in the inner. The Himalayan mountain chain is an example of a continental collision. The Eurasian and Indian plates are both large continental plates so as long as they are getting forced together they can only get thicker and thicker. Regional compression produces broadly distributed earthquakes north of the Himalayan plate boundary. km and its maximum width varies between 150 to 350km. The mighty Himalayan Mountain Range covers an area of about 595,000 sq. All compressive collisions thicken like this to a lesser extent, due to the compressive forces, it is just far more intense with continental to continental collisions because there is no other outlet for the energy but compression because all the material involved is to light to be subducted. The Himalayas are bounded by the Tibetan Plateau in the north the 800km long Hindu Kush and 500km long Karakoram Mountain ranges in the northwest and by the vast Indo-Gangetic Plains in the south. Think of it kinda like a geologic iceberg, it is too light to sink. They build both up and down since they sort of float on the rock below. But in a continental crust to continental crust collision neither can really dive under the other and get reworked*, since both are low density, thick, and roughly equal in density, so they just compress together like pushing two wads of clay together. Write N/A if this question does not apply to this plate boundary. Turn on the 10,000 Years of Volcanoes layer to see if there has been any volcanic activity in that area of the last 10,000 years). In both cases there is a dense oceanic plate that can get subducted. (Hint: the overriding plate - the plate riding over the plate that is subducting or diving beneath the other plate - will have volcanoes on it. Most convergent boundaries are oceanic to continental or oceanic to oceanic. It mostly has to do with the type of convergent boundary the Himalayas are, continental crust to continental crust.
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