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  2. Terrane - Wikipedia

    en.wikipedia.org/wiki/Terrane

    In geology, a terrane (/ t ə ˈ r eɪ n, ˈ t ɛr eɪ n /; [1] [2] in full, a tectonostratigraphic terrane) is a crust fragment formed on a tectonic plate (or broken off from it) and accreted or "sutured" to crust lying on another plate. The crustal block or fragment preserves its distinctive geologic history, which is different from the ...

  3. Insular Belt - Wikipedia

    en.wikipedia.org/wiki/Insular_Belt

    Geology belts of western Canada and southeast Alaska, including the Insular Belt (red) The Insular Belt is a physiogeological region on the north western North American coast. It consists of three major island groups and many smaller islands and stretches from southern British Columbia into Alaska and the Yukon .

  4. Wrekin terrane - Wikipedia

    en.wikipedia.org/wiki/Wrekin_Terrane

    The Wrekin Terrane is bounded to the west by the Welsh Borderland Fault System and to the east by the Malvern Lineament. The geological terrane to the west is the Cymru Terrane and to the east is Charnwood Terrane. [1] The majority of rocks in the area are associated with the outcrops that are evident at the faulted boundaries. [2]

  5. Franciscan Complex - Wikipedia

    en.wikipedia.org/wiki/Franciscan_Complex

    Download as PDF; Printable version; ... is a geologic term for a late Mesozoic terrane of heterogeneous rocks found ... their significance in the geology of western ...

  6. Cymru terrane - Wikipedia

    en.wikipedia.org/wiki/Cymru_Terrane

    The Cymru terrane is bounded to the northwest by the Menai Strait Fault System and to the southeast by the Pontesford Lineament. The geological terrane to the west is the Monian Composite terrane and to the east is Wrekin terrane. [1] The majority of rocks in the area are associated with the outcrops that are evident at the faulted boundaries ...

  7. Chilenia - Wikipedia

    en.wikipedia.org/wiki/Chilenia

    Chilenia was an ancient microcontinent or terrane whose history affected many of the older rocks of central Chile and western Argentina.It was once separated by oceanic crust from the Cuyania terrane to which it accreted at ~420-390 Ma when Cuyania was already amalgamated with Gondwana.

  8. Cache Creek terrane - Wikipedia

    en.wikipedia.org/wiki/Cache_Creek_Terrane

    The Cache Creek Terrane (alternately known as Cache Creek Melange) [1] is a geologic terrane in British Columbia and southern Yukon, Canada. The Cache Creek Terrane consists of Carboniferous to Lower Jurassic volcanic rocks , carbonate rocks , coarse clastic rocks and small amounts of ultramafic rock , chert and argillite .

  9. Central Highlands Terrane - Wikipedia

    en.wikipedia.org/wiki/Central_Highlands_Terrane

    The Central Highlands Terrane in Scotland, also known as the Grampian Terrane, is a sequence of early Paleozoic metamorphic rocks containing many igneous intrusions. It stretches from the Great Glen Fault, south-east down to the Highland Boundary. The terrane contains mostly gabbro and gneiss that show intrusions of granite and dolerite.