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  2. Australian plate - Wikipedia

    en.wikipedia.org/wiki/Australian_Plate

    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.

  3. Indo-Australian plate - Wikipedia

    en.wikipedia.org/wiki/Indo-Australian_Plate

    The Pacific plate sinks below the Australian plate and forms the Kermadec Trench and the island arcs of Tonga and Kermadec. New Zealand is situated along the southeastern boundary of the plate, which with New Caledonia makes up the southern and northern ends of the ancient landmass of Zealandia, which separated from Australia 85 million years ...

  4. Boundaries between the continents - Wikipedia

    en.wikipedia.org/wiki/Boundaries_between_the...

    It is considered to be a separate tectonic plate to the neighboring South American Plate, and contains several oceanic islands of the South Pacific, which have been associated with both Oceania and South America. The Galápagos Islands and Malpelo Island in the southeastern Pacific Ocean are possessions of Ecuador and Colombia, respectively ...

  5. List of tectonic plate interactions - Wikipedia

    en.wikipedia.org/wiki/List_of_tectonic_plate...

    Obduction zones occurs when the continental plate is pushed under the oceanic plate, but this is unusual as the relative densities of the tectonic plates favours subduction of the oceanic plate. This causes the oceanic plate to buckle and usually results in a new mid-ocean ridge forming and turning the obduction into subduction. [citation needed]

  6. Geology of Australia - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Australia

    The Australian continent evolved in five broad but distinct time periods, namely: 3800–2100 Ma, 2100–1300 Ma, 1300–600 Ma, 600–160 Ma and 160 Ma to the present. The first period saw the growth of nuclei about which cratonic elements grew, whereas the latter four periods involved the amalgamation and dispersal of Nuna , Rodinia and ...

  7. Macquarie triple junction - Wikipedia

    en.wikipedia.org/wiki/Macquarie_Triple_Junction

    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.

  8. Wallace Line - Wikipedia

    en.wikipedia.org/wiki/Wallace_Line

    The complex biogeography of the Indo-Australian Archipelago is a result of its location at the merging point of four major tectonic plates and other semi-isolated microplates in combination with ancient sea levels. Those caused the isolation of different taxonomic groups on islands at present relatively close to each other. Wallace's Line is ...

  9. Border corners of Australia - Wikipedia

    en.wikipedia.org/wiki/Border_corners_of_Australia

    Named border corners of Australia. The border corners of Australia are the meeting points of state or territory borders. There are five such points, each recognised with a boundary marker, and all located in remote areas. [1] The five border corners are: Surveyor Generals Corner – WA/NT/SA; Poeppel Corner – NT/SA/Qld; Haddon Corner – SA/Qld