Supracrustal rock

From Wikipedia, the free encyclopedia
  (Redirected from Supracrustal sequence)
Jump to: navigation, search

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.

The Isua greenstone belt contains the oldest, well preserved, supracrustals, dated at 3.8–3.7 Ga.