As 3690 Ma was the age yielded from the youngest tonalite only native in Northern terrane and 3660 Ma is the age yielded from the ultramafic-to-dioritic Inaluk dykes, which is a common intrusion in both terrane.
Ma was the age. This was as 3690. This age was yielded from the youngest tonalite only native in Northern terrane.3660 Ma is the age. This age is yielded from the ultramafic-to-dioritic Inaluk dykes. Dioritic Inaluk dykes is a common intrusion in both terrane.