1 / 125

Heat transport

Heat transport. No exceptions?!. Thermal norm: rising plumes are hotter then their environment. Typical thermal structures of mantle plumes (Hier Majumder et al., 2002). subducting. Magma chamber. 200 km. slab. Hydrated plumes. Mantle wedge. Area of interest.

hagop
Télécharger la présentation

Heat transport

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Heat transport

  2. No exceptions?! Thermal norm: rising plumes are hotter then their environment Typical thermal structures of mantle plumes (Hier Majumder et al., 2002)

  3. subducting Magma chamber 200 km slab Hydrated plumes Mantle wedge Area of interest

  4. Zhao & Kayal, (2000) Zhao et al. (1992) Seismic tomography of Japan trench region Tamura et al., (2002)

  5. 0 km Overriding plate Subduction channel Subducting plate 50 Mantle wedge 100 2D model of the subduction zone (Gerya et al., 2002, Tectonics)

  6. Hydrated mantle mineralogy (Schmidt & Poli, 1998) Conceptual model (Gerya & Yuen, 2003, EPSL)

  7. Numerical model (Gerya & Yuen, 2003, EPSL)

  8. Boundary conditions region Viscosity Temperature Calculation: Supercomputer “REGATTA” Visualization: Amira Developer Bulk Strain

  9. Animation “Cold plumes”

  10. Air/Water Oceanic crust 200oC Serpentinized mantle 1200oC 2 cm/year Mantle 340 x 200 km 1400oC 0 Myr Litosphere: 40 Myr old Subduction: rate 2 cm/year, angle 45o Hydration of hanging wall: max rate 1 mm/year, max depth 150 km (Gerya & Yuen, 2003, EPSL)

  11. 200oC 200oC Serpentinized mantle 400oC 600oC 1200oC 800oC 1000oC 1200oC 1400oC 1400oC 1.9 Myr (Gerya & Yuen, 2003, EPSL)

  12. 200oC 200oC Serpentinized mantle 400oC 600oC 1200oC 800oC 1000oC 1200oC 1400oC 1400oC 3.5 Myr (Gerya & Yuen, 2003, EPSL)

  13. 200oC 200oC Serpentinized mantle 400oC 600oC 1200oC 800oC 1000oC 1200oC 1400oC 1400oC 5.3 Myr (Gerya & Yuen, 2003, EPSL)

  14. 200oC 200oC 400oC Serpentinized mantle 600oC 1200oC 800oC Hydrated mantle 1000oC 1200oC 1400oC 1400oC 7.2 Myr (Gerya & Yuen, 2003, EPSL)

  15. 200oC 200oC 400oC Serpentinized mantle 600oC 800oC 1200oC (Meta)sediments 1000oC Hydrated mantle 1200oC 1400oC 1400oC 9.1 Myr (Gerya & Yuen, 2003, EPSL)

  16. 200oC 200oC 400oC 600oC Serpentinized mantle 800oC 1200oC (Meta)sediments 1000oC Hydrated mantle 1200oC 1400oC 1400oC 11.0 Myr (Gerya & Yuen, 2003, EPSL)

  17. 200oC 200oC 400oC Serpentinized mantle 600oC 1000oC 800oC 1200oC (Meta)sediments 1000oC 1200oC Hydrated mantle 1400oC 1400oC 12.8 Myr (Gerya & Yuen, 2003, EPSL)

  18. 200oC 200oC 600oC 400oC Serpentinized mantle 600oC 1000oC 800oC 1200oC (Meta)sediments 1000oC Partially molten metasediments 1200oC Hydrated mantle 1400oC 1400oC Partially molten hydrated mantle Partially molten oceanic crust 14.6 Myr (Gerya & Yuen, 2003, EPSL)

  19. Temperature , C o 200 400 600 800 1000 1200 1400 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 15.3 Myr (Gerya & Yuen, 2003, EPSL)

  20. Temperature , C o 200 400 600 800 1000 1200 1400 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 15.9 Myr (Gerya & Yuen, 2003, EPSL)

  21. Temperature , C o 200 400 600 800 1000 1200 1400 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 16.5 Myr (Gerya & Yuen, 2003, EPSL)

  22. 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 17.0 Myr (Gerya & Yuen, 2003, EPSL)

  23. 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 17.4 Myr (Gerya & Yuen, 2003, EPSL)

  24. 200oC 200oC 600oC 400oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 18.3 Myr (Gerya & Yuen, 2003, EPSL)

  25. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 19.1 Myr (Gerya & Yuen, 2003, EPSL)

  26. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 19.8 Myr (Gerya & Yuen, 2003, EPSL)

  27. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 20.4 Myr (Gerya & Yuen, 2003, EPSL)

  28. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1200oC 1000oC 1200oC 1400oC 1400oC 21.6 Myr (Gerya & Yuen, 2003, EPSL)

  29. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 22.1 Myr (Gerya & Yuen, 2003, EPSL)

  30. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 22.5 Myr (Gerya & Yuen, 2003, EPSL)

  31. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 22.9 Myr (Gerya & Yuen, 2003, EPSL)

  32. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 23.9 Myr (Gerya & Yuen, 2003, EPSL)

  33. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 25.2 Myr (Gerya & Yuen, 2003, EPSL)

  34. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 26.6 Myr (Gerya & Yuen, 2003, EPSL)

  35. 200oC 200oC 600oC 400oC 800oC 600oC 1000oC 800oC 1000oC 1200oC 1200oC 1400oC 1400oC 28.2 Myr (Gerya & Yuen, 2003, EPSL)

  36. 200oC 200oC 600oC 400oC 800oC 600oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 29.7 Myr (Gerya & Yuen, 2003, EPSL)

  37. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 30.8 Myr (Gerya & Yuen, 2003, EPSL)

  38. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 31.8 Myr (Gerya & Yuen, 2003, EPSL)

  39. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 32.9 Myr (Gerya & Yuen, 2003, EPSL)

  40. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 33.5 Myr (Gerya & Yuen, 2003, EPSL)

  41. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 34.2 Myr (Gerya & Yuen, 2003, EPSL)

  42. 200oC 200oC 600oC 400oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 35.6 Myr (Gerya & Yuen, 2003, EPSL)

  43. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 36.6 Myr (Gerya & Yuen, 2003, EPSL)

  44. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 37.6 Myr (Gerya & Yuen, 2003, EPSL)

  45. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 39.0 Myr (Gerya & Yuen, 2003, EPSL)

  46. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 40.1 Myr (Gerya & Yuen, 2003, EPSL)

  47. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 41.4 Myr (Gerya & Yuen, 2003, EPSL)

  48. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 42.9 Myr (Gerya & Yuen, 2003, EPSL)

  49. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 44.2 Myr (Gerya & Yuen, 2003, EPSL)

  50. 200oC 200oC 400oC 600oC 600oC 800oC 800oC 1000oC 1000oC 1200oC 1200oC 1400oC 1400oC 45.2 Myr (Gerya & Yuen, 2003, EPSL)

More Related