Kaolinite Subgroup from North America Plate
Canada | |
| Peatfield, Giles (n.d.) Personal communication. |
| Peatfield, Giles (n.d.) Personal communication. |
Greenland | |
| Bøggild, O. B. (1953) The Mineralogy of Greenland. Meddelelser om Grønland Vol. 149 (3) C.A.Reitzel |