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Map showing the Indo-Australian plate (IA) and other major plates The Indo-Australian plate, shown as its two subdivisions: the Indian plate (red) and the Australian plate (orange) The Indo-Australian plate is or was a major tectonic plate. It is in the process of separation into three plates, and may be currently separated into more than one ...
The Australian plate is a major tectonic plate in the eastern and, largely, southern hemispheres. Originally a part of the ancient continent of Gondwana, Australia remained connected to India and Antarctica until approximately when India broke away and began moving north.
The Indian plate (or India plate) is a minor tectonic plate straddling the equator in the Eastern Hemisphere. Originally a part of the ancient continent of Gondwana , the Indian plate broke away from the other fragments of Gondwana 100 million years ago and began moving north, carrying Insular India with it. [ 2 ]
Indo-Australian plate – Major tectonic plate formed by the fusion of the Indian and Australian plates (sometimes considered to be two separate tectonic plates) – 58,900,000 km 2 (22,700,000 sq mi) Australian plate – Major tectonic plate separated from Indo-Australian plate about 3 million years ago – 47,000,000 km 2 (18,000,000 sq mi)
The Australian plate (or Indo-Australian plate) and Antarctic plate boundary is an active divergent boundary known as the Southeast Indian Ridge. The Southeast Indian Ridge ranges approximately 2000 kilometers across the southern region of the Indian Ocean.
The Rodrigues triple junction viewed from south. Note the "wake" of the eastward propagating triple junction. The Rodrigues triple junction (RTJ), also known as the central Indian [Ocean] triple junction (CITJ) is a geologic triple junction in the southern Indian Ocean where three tectonic plates meet: the African plate, the Indo-Australian plate, and the Antarctic plate.
The Indo–Australian plate was formed after the amalgamation of the Indian plate and the Australian plate some 45 million years ago. [8] However, there is a relative movement between the Indian plate and the Australian plate. A process which would eventually split the Indo-Australian plate in two probably started 8 to 10 million years ago and ...
The most dramatic orogenic belt on the planet is the one between the African plate and the Indo-Australian plate on one side (to the south) and the Eurasian plate on the other side (to the north). This belt runs from New Zealand in the east-south-east, through Indonesia , along the Himalayas , through the Middle East up to the Mediterranean in ...