The Semail Thrust in the Oman-UAE mountains is mapped along base of Ophiolite, a 10–15 km thick sequence Cenomanian oceanic crust and upper mantle emplaced from NE to SW onto previously passive, Mid-Permian continental margin Oman. juxtaposition ophiolite with range different rock types sourced depths suggest complex tectonic history for this major fault shear zone. Here we summarize previous w...