1. The Bushveld complex
A quick presentation

2. The Bushveld Complex, South Africa
The biggest:
km x 9 km
The Red Granite
intruded Ma
afterwards
Figure Simplified geologic Map and cross section of the Bushveld complex. After Willemse (1964), Wager and Brown (1968), and Irvine et al. (1983).

3. Bushveld Complex The World’s Biggest Layered Igneous Intrusion
Floor LZ
LCZ
UCZ MZ UZ
Panorama of the Olifants River Valley, NE Bushveld
Jodie’s lecture

4. Jodie’s lecture

5. Intrusive sill of Bushveld dolerite in Transvaal sequence
Near Burgersfort

6. Lower zone Peridotites/pyroxenites
(Jagdlust, Burgersfort-Polokwane Road)

7. Lower zone Peridotites/pyroxenites
(Jagdlust, Burgersfort-Polokwane Road)

8. The critical zone overlooking the lower zone (left)
(Burgersfort-Polokwane Road)

9. Different pyroxenite types, Critical zone
(Mandaagshoek, near Burgersfort)

10. Norite and anorthosite, Critical zone
(Mandaagshoek, near Burgersfort)

11. Layered anorthosite, Critical zone
(Tweefontein, Lydenburg-Burgersfort area)

12. Anorthosite and chromitite, Critical zone
(Dwars River, Lydenburg-Burgersfort area)

13. UG3 Chromitite, Critical zone
(Mandaagshoek, near Burgersfort)

14. Massive black gabbros (« Belfast black »), Main zone
(Near Stoffberg, Belfast area)

15. Modal layering in gabbros, Main zone
(Lydenburg-Burgersfort area)

16. Gabbros and magnetite (Main Magnetite Layer), Upper zone
(Magnet Heights)

17. Upper zone gabbronorite
(Magnet Heights)

18. Main magnetite layer, Upper zone
(Magnet Heights)

19. In-situ differentiation
Or successive magma batches?

21. Isotopic evolution
ISr(2.05 Ga)