Page 130 - Dilmun 29
P. 130

Edition 29/July/2021  Bahrain Historical & Archaeology Society/Dilmun Magazine  fowzia@alsakhriconsult.com

Arabian Gulf was exposed        the climatic and tectonic                                                   Geology of the
)Reinink-Smith, 2015(. The      changes during the Quater-                                                  AHriasbtioanriGcuallf
Gulf area was entirely flood-   nary eustatic changes. The
ed after the last interglacial  result of these changes                                                        10
period with peak flooding at    must have high impact on
120 m below modern level.       the human settlements in
From18000-14000 y BP the        this region. The Euphra-
Strait Hormoz became a          te-Tigris or Shatt Al-Arab
narrow water opening,           fluvial system is an intrac-
which was further opened in     tratonic delta which has
14000 to 12500 y BP caus-       been preserved during the
ing marine sea water incur-     geologic time with minimum
sion into the central Arabian   deformation along the mega
Gulf Basin. The western         suture zone )Guantilaka,
side of the Arabian Gulf was    1986(. The human settle-
flooded with sea water in       ments in this delta are pres-
11500 y BP and the sea wa-      ent for more than 5000
ter transgression continued     years but with probable
where it exceeds one to two     change in the shoreline of
meters present day level in     100 km during the Sumeri-
6000 y BP )Fig. 1-B( )Al-As-    ans )3500-2000 B.C.(.
four, 1975; Lambeck, 1996(.
Between 12,000 and 6000 y        Geology of Kuwait
BP the sea transgressed
more than 1000 km into the      Kuwait is located in north-
Arabian Gulf area at a rate     west corner of the Arabian
that may exceeded 1 km/         Gulf. The land is sloping
year. It reached its present    topographically towards the
level 8400-4000 years ago.      sea with highest elevation
                                of 290 m. The topography
The location of Shatt Al-Ar-    of Kuwait is generally of low
ab delta was controlled by      relief with a flat sandy des-
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