Since the North American coast shows an extremely complicated geologic structure, intensive work has been required to understand the complexity of this system. In 2013 a new explanation emerged from recent research, proposing two additional now fully subducted plates, accounting for some of the complexity of this coast line.
The North American coast's complex geological structure necessitates extensive study to comprehend its intricacies. In 2013, a novel explanation emerged from recent research, suggesting two additional subducted plates, which partially explain the complexity of this coastline.