The Red Sea, one of the warmest and saltiest water bodies in the
world, is a recent example for ocean basin formation by break of a
continent, which makes it a perfect study area to investigate the
early stage of the formation of an ocean basin (e.g. magma
intrusion). This book provides new data of the two sediment cores
from the Shaban Deep in the northern Red Sea. Although the two
cores are located about a kilometer distance, distinctly different
isotopic and geochemical signals were observed. Compared to the
usual stable oxygen isotope ( 18O) signatures of planktonic
foraminifera in the Red Sea, a strong negative 18O shift was seen
in the core 17008-1. The planktonic foraminifera shells below 183
cm core depth, showed high degrees of diagenetic alteration. This
alteration has not been caused by a hydrothermal input, but rather
dominated by post-depositional alteration through hot pore-waters.
The heat source is most likely to be basaltic intrusion occurred
before 6 ka, and located close to the core 17008-1. These results
will shed light on the geological construction of the Red Sea area
as well as for investigating the hydrothermal activity and ore
formation in the region.
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