(F.O. Meyer, 1999) showing the unconformity between the Hanifa and
overlying Jubaila Formations. Note iron stained carbonates that
make up the upper beds of the Hanifa Formation, Wadi Birk, Saudi
of Hanifa-Jubaila unconformity shows transgressive lag deposit made
up of rounded carbonate boulders pave the unconformable surface.
Oysters encrust surface on right side, (F.O. Meyer, 1999), Wadi
Birk, Saudi Arabia.
Photograph (F.O. Meyer, 2000) showing the uncoformity between the
Midnab and Kartum Members of the Khuff Formation, Saudi Arabia.
Note well preserved Cliche profile and iorn stained top of Midnab
Photograph (F.O. Meyer, 2000) showing the growth of stromatolite
(blue-green algae) heads on the pre Kartum uncoformity. These .
Red shale encloses the lower two heads located just above the unconformity.