Deepwater fold belts The down-slope contraction for gravitationally collapsing sedimentary prisms… Weak detachment (overpressured shale, salt) Controls on timing….(tilting, sediment loading) Controls on location…. (Toe of slope….Edge of Detachment)
Branch line exercise Salt tectonics Controls in fold belts Salt movement and intrusion Vertical movement Lateral movement and salt allochthons
ZagrosSalt Range Examples: fold belts where SALT acts as detachment
Movies from the Applied Geodynamic Lab, Bureau of economic geology, Uni Texas. Bruno Vendeville’s group Thin-skinned extension drives diapirism Lateral migration of sediment load migrates salt - Santos Basin, Brazil Toe-of-slope compression drives extrusion Open as Quicktime movies
Key reading: Chapter 5 Salt Tectonics In: Evaporites by John Warren (1999). Blackwells.
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