Subduction and plate tectonics overall , is a means for explaining heat transfer within the Earth , which was an important process in early Earth .
The Isua Greenstone Belt offers up some complications because of the tectonics that have occurred in the area .
Subduction and plate tectonics is a means for explaining heat transfer within the Earth , which was an important process in early Earth .
The Isua Greenstone Belt offers up some complications because of the tectonics that have occurred in the area .