TS6.8/GD5.8/GM5.9Pamir: a natural laboratory to understand intra-continental subduction. (co-organized)
|Convener: Richard Gloaguen | Co-Convener: Lothar Ratschbacher|
The processes driving continental collision/subduction, indentation, and orocline formation are potentially resolvable in young and active regions such as the Pamir-Tibet-Himalaya system. The Pamir offers distinct advantages over adjacent Tibet: a similar amount of Cenozoic shortening that is accommodated over ~50% less meridional orogenic width; the most active area of intermediate-depth intra-continental seismicity; the largest tract of high-temperature/intermediate pressure crystalline basement in the entire Pamir-Tibet-Himalaya orogen that traces thick-skinned, high- strain belts; distinct intra-continental magmatic belts; a complete record of orogen exhumation and foreland-basin deposition in the Tajik basin; an externally drained river system that reveals neotectonics by drainage basin and river incision/capture/reversal evolution.
This session seeks contributions highlighting the coupling between processes leading to mountain building in an intra-continental subduction setting with a strong focus on the Pamir.. We hope to gather insights into the dynamics of the region from the mantle to the surface. Contributions from the fields of geophysics, modeling, tectonics, petrology, geochemistry, sedimentology and geomorphology (not exclusively) are welcome.
|Related events:||GD5.1/GMPV41/SM4.5/TS6.9 – Subduction zone dynamics from the surface to the lower mantle (co-organized)