Guriense orogeny

The Guriense orogeny was a mountain building event in the Archean 2.8 to 2.7 billion years ago, preserved in the Guyana Shield rocks of Venezuela, Guyana and Suriname. {{cite book |author=Revollo, E. | year=2015|title= Physical Geology and Geological History of South America |publisher= | isbn=9781499032536| url= https://books.google.com/books?id=hX13BgAAQBAJ&q=transamazonian+orogeny&pg=PT111 }}{{cite news|title=Short Papers of the Fourth International Conference; Geochronology...1978|isbn = 9781499032536|url= https://books.google.com/books?id=hX13BgAAQBAJ&q=transamazonian+orogeny&pg=PT111|last1 = Revollo|first1 = Edward|date = 23 January 2015}}