1 / 20

Evolution of the Var valley landscape

Evolution of the Var valley landscape. Philippe AUDRA. GLOMAR CHALLENGER 1970 Deep Sea Drilling Project. Evaporites ≈ 5 Ma. N. Spain. Morocco. 3 (5.3 Ma). 2 (T < 0.5 Ma). 1 (5.9 Ma). Deep -basin, shallow -water model [ Hsü , Cita & Ryan, 1973]. 5.3 Ma: The Flood!.

mariko
Download Presentation

Evolution of the Var valley landscape

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. Evolution of the Var valley landscape Philippe AUDRA

  2. GLOMAR CHALLENGER 1970 DeepSeaDrilling Project

  3. Evaporites ≈ 5 Ma

  4. N Spain Morocco

  5. 3 (5.3 Ma) 2 (T < 0.5 Ma) 1 (5.9 Ma) Deep-basin, shallow-water model [Hsü, Cita & Ryan, 1973]

  6. 5.3 Ma: The Flood!

  7. Deep canyons onshore Pô Danube Rhône Ebro Nile ?

  8. Nile valley (Egypt) / Aswan dam 900 km from shore / 200 m bsl.

  9. A virtual canyon!

  10. Canyon’sgeometry

  11. Canyon’sfill

  12. 100 km long Canyon

  13. Roya Loup Var Paillon -1500 m / 15 km (10 %!) Var mouth => Submarinedeep canyons

  14. Depth 1000 m

  15. Depth 350 m

  16. Seeyoutomorrow on the field! Meeting at8:00 be on time!!!

More Related