Figure 12. Location of Sites 977 and 978 on migrated multichannel seismic profile CONRAD 823. Al-Mansour Seamount divides the graben into two sub-basins in which Sites 977 and 978 were cored. The "M" Messinian reflector was penetrated at Site 978 and was just reached at Site 977. Submersible basement sampling of the northern flank of Al-Mansour Seamount recovered dacitic and rhyodacitic volcanic rocks.

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