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It is a continent-continent collision following subduction, no subduction is taking place at the moment. The ocean floor that was attached to it has vanished into the mantle or got wedged into the thickened crust. The collision builds up immense stress, resulting in deformation, faulting, folding, crustal shortening and uplift of the Tibetan plateau. https://...


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You need to take a look at lithology changes and stratification. On a fold the stratification is parallel to the fold, while on a transgressive-regressive cycle it crosses the v form. Source: Own work with Inkscape. At the field the best is to look up to lithology changes and define how is stratification spatially related with the main shape. You can easily ...


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