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The South Portuguese zone (SPZ) is an exotic terrane coming from a different continent to the more northern parts of the Iberian plate. Prior to 380 Ma the SPZ was part of the Laurasia and attached next to what later became the Grand Banks. This continent was actually to the north of Iberia, which in turn was part of the European Hunic Terrane ...
The Dun Mountain-Maitai terrane comprises the Dun Mountain ophiolite belt (also called the Mineral Belt), Maitai group and Patuki mélange. [1] The Dun Mountain Ophiolite is an ophiolite of Permian age located in New Zealand's South Island .
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 ...
The terrane is composed of the Golden Bay, Greenland and Reefton groups. The Greenland Group has been metamorphosed to form the Pecksniff Metasedimentary Gneiss. [ 5 ] The common name for these is the 'Charleston Gneiss' and it was thought for most of the 20th century that these were the oldest rocks in the country.
The Carolina Terrane, also called the Carolina Superterrane or Carolinia, is an exotic terrane [1] running ~370 miles (600 km) approximately North-South from central Georgia to central Virginia in the United States.
The recognition of the Boundary Ranges suite and the Jurassic plutons that intruded it (Tagish Lake suite) as part of Stikinia has implications for the age and character of the Stikinia–Tracy Arm terrane boundary because the Boundary Ranges and Tagish Lake suites form the footwall of a major Middle Jurassic shear zone that carried the ...
Rocks of Wrangellia (the individual terrane, not the composite terrane) were originally created in the Pennsylvanian to the Jurassic somewhere, but probably near the equator, in the Panthalassic Ocean off the west coast of Laurentia (North American craton) as island arcs, oceanic plateaus, and rock assemblages of the associated tectonic settings.
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).