Происхождение
- Country:
- Canada
- Published:
- 1999
- Oldest age Ma:
- 1742
- Paragenetic modes:
- Abiotic, Primary, Secondary, Stage 4a: Earth's earliest continental crust, PM23 - Subaerial alteration, Stage 4b: Highly evolved igneous rocks, PM35 - Ultra-alkali and agpaitic igneous rocks