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Supracrustal rocks are rocks that were deposited on the existing basement rocks of the crust, hence the name. They may be further metamorphosed from both sedimentary and volcanic rocks.
Additional recommended knowledge
The Isua greenstone belt contains the oldest, well preserved, supracrustals, dated at 3.8-3.7 Ga.
Categories: Metamorphic rocks | Sedimentary rocks
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Supracrustal_rock". A list of authors is available in Wikipedia.|