Where is the oldest fragment of Earth's continental crust in South America?

Question

The tectonic plates that lie under the Earth's crust constantly move; in which general direction does the South American Plate which is under South America and much of the Atlantic west of the mid-Atlantic Ridge move?

Answer 1

Sete Voltas Massif (São Francisco craton, Brazil)
The Massif is in the São Francisco craton, north-east Brazil. The oldest of the events identified in the Massif produced rock dated to 3.4 billion years ago.