CORE SEDIMENTS OF LAKE MARlUT, EGYPT

CORE SEDIMENTS OF LAKE MARlUT, EGYPT
MASSOUD A. H. SAAD
Oceanography DepartBent. Faculty of Scfence. Alexandrfa Unfversfty.
ABSTRACT
Seven short cores wre SllIlpled frOll Lake Marfut
to fllustrate the vertfcal varfatfons occurred fn
the deposf ts after they have been burfed for a long
tfme. The core samples were subjected to some physfcal
and chemfcal fnvestfgatfons.
The densfty of ~ry -..d showed a wfde range of
varfBtfons fn all cores. The great decrease fn water
content wfth depth 15 due mainly to the change fn
the nature of the upper sedfment samples as a result
of the contfnuous supply of sewage and fndustrfal
wastes. The densfty of wt mud gave a clear fnverse
correlatfon with the water content. It increased
markedly wfth depth.
Irregular hfgher and lower. values of organfc
matter. calcareous substances. allochthonous materfals
and dfatom-sflfca were found at dffferent depths
of all cores. givfng a wtde range of varfatfons
The quantftatfve d15irfbutfon of these cOlllpOnents
fn the core sedfments was found to depend IIIIfnly
upon certafn factors wfch were dfscussed.