- Country:
- Sri Lanka
- Published:
- 1893
- Oldest age Ma:
- 4567.61
- Paragenetic modes:
- Abiotic, Primary, Secondary, Stage 1: Primary nebular phases, PM3 - Solar nebular condensates, Stage 2: Planetesimal differentiation & alteration, PM5 - Primary asteroid phases, PM6 - Secondary asteroid phases, Stage 3a: Earth's earliest Hadean crust, PM7 - Ultramafic igneous rocks, Stage 5: Initiation of plate tectonics, PM40 - Regional metamorphism