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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 (previous to 3 million years ago the Indo-Australian plate) and Pacific plate boundary is the most complex boundary of the Macquarie triple junction region, due to the unique collision of the two plates creating two convergent boundaries separated by a transform boundary.
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)
Three types of plate boundary Convergent boundary Divergent boundary Transform boundary. Tectonic plate interactions are classified into three basic types: [1] Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries.
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.
Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.
The Banda Sea triple junction is a geologic triple junction where three tectonic plates meet: the Indo-Australian plate, the Pacific plate and the Eurasian plate. It is located on the seafloor of the Banda Sea off the west coast of the island of New Guinea. The plate boundaries which meet at this triple junction are all subduction zones (trenches).
The Southeast Indian Ridge (denoted by the yellow line) The Southeast Indian Ridge (SEIR) is a mid-ocean ridge in the southern Indian Ocean.A divergent tectonic plate boundary stretching almost 6,000 km (3,700 mi) between the Rodrigues triple junction) in the Indian Ocean and the Macquarie triple junction) in the Pacific Ocean, the SEIR forms the plate boundary between the Australian and ...