Columbia subject headings:
Rifts (Geology)--Middle East.
Sediments (Geology)--Middle East.
Harvard subject headings:
Rifts (Geology)--Aden, Gulf of, Region.
Rifts (Geology)--Red Sea Region.
Sedimentation and deposition--Aden, Gulf of, Region.
Sedimentation and deposition--Red Sea Region.
Princeton subject headings:
Rifts (Geology)--Middle East.
Sediments (Geology)--Middle East.