Setting of the ∼2560 Ma Qôrqut Granite Complex in the Archean crustal evolution of Southern West Greenland
The Archean gneiss complex of West Greenland contains packages of unrelated rocks created during relatively short periods of time in arc-like magmatic environments, and having similarities to rocks formed at Phanerozoic convergent plate boundaries. The terranes of new Archean crust were amalgamated by collisional orogeny and then partitioned by post-assembly tectonic processes. Having summarized the origin of West Greenland Archean crust in arc-like environments, this paper then focuses on new...[Show more]
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|Source:||American Journal of Science|
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