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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 ...
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The Keryneia Terrane occupies the northern margin of Cyprus, stretching from Cape Kormakitis in the west to Cape Andreas in the east. The terrane is a sequence of Permian to recent sediments. [3] The carbonate rocks are divided into the Dhikomo, the Hilarion and the Sykhari Formation. [3]
The Franciscan Complex or Franciscan Assemblage is a geologic term for a late Mesozoic terrane of heterogeneous rocks found throughout the California Coast Ranges, and particularly on the San Francisco Peninsula. It was named by geologist Andrew Lawson, who also named the San Andreas Fault that defines the western extent of the assemblage. [1]
The Hebridean Terrane is defined to the east by the Moine Thrust, beyond which lies the Northern Highlands Terrane.This area in turn abuts against the Central Highlands (or Grampian) Terrane along the Great Glen Fault.
Geologic map depicting the Smartville Complex (in brown) and other accreted terranes in California. [1]The Smartville Block, also called the Smartville Ophiolite, Smartville Complex, or Smartville Intrusive Complex, is a geologic terrane formed in the ocean from a volcanic island arc that was accreted onto the North American Plate during the late Jurassic (~160–150 million years ago).
The Yukon–Tanana Terrane (YTT) is a tectonic terrane that extends from central Alaska through central Yukon and into northern British Columbia, Canada and Southeast Alaska, USA. Extending over 2000 km, the YTT is the largest tectonostratigraphic terrane in the northern North American Cordillera . [ 1 ]
The Lhasa terrane has been interpreted as part of Cimmeria and, if this is the case, must have rifted from Gondwana together with Sibumasu and Qiangtang. The timing of Lhasa's northward drift is still controversial, however, and paleomagnetic data is extremely scarce.