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Petrology Chapter 11

Petrology Chapter 11. Gautam Sen. Classification. Alkaline Magma Differentiation. Spitskop Complex, S. Africa. Twin Differentiation Trends. East African Rift Zones. Evolution of Rift System. Ethiopian Flood Basalts. Ignimbrite groups in Ethiopian Traps.

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Petrology Chapter 11

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  1. Petrology Chapter 11 Gautam Sen

  2. Classification

  3. Alkaline Magma Differentiation

  4. Spitskop Complex, S. Africa

  5. Twin Differentiation Trends

  6. East African Rift Zones

  7. Evolution of Rift System

  8. Ethiopian Flood Basalts

  9. Ignimbrite groups in Ethiopian Traps

  10. REE in Rhyolitic Ignimbrites (lines) & Basaltic Ignimbrites (shaded)

  11. Isotopic composition of Ethiopian Traps

  12. Composition of Rift Volcanics in EARS

  13. Potential Temps

  14. REE in Rift Volcanics

  15. Isotope composition of Ethiopian flood basalts and EAR Volcanics AP = Afar Plume KP = Kenyan Plume

  16. Kimberlite Pipe

  17. Ages of African Kimberlites

  18. Pyroxene geotherm

  19. Phase Diagram for Kimberlites & Carbonatites

  20. Phlogopite stability

  21. Lithosphere Structure

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