Unconsolidated reefal sediments in the Jubal Strait region, Red Sea, Egypt

Moussa, A.A.; El-Askary, M.A.; Nasr, S.; El-Mamoney, M.

doi:10.1016/0025-3227(91)90127-p

Cited by 10 publications

(7 citation statements)

References 29 publications

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“…Piller & Mansour 1990, Piller 1994Piller & Mansour 1994). The reefs near Hurghada (Egypt), northern Red Sea, have been studied in the course of a series ofexpeditions (Beltagy 1976;Beltagy 1984;Moussa et al 1991;Riegel & Velimirov 1994). Patch reefs, fringing reefs and less-developed barrier reefs characterize the area in front of Hurghada.…”

Section: Methodsmentioning

confidence: 99%

Analysis of reef sedimentation in Hurghada (Egypt), northern Red Sea

El-Sammak

El-Sayedand

El-Sabrouti

1997

Carbonates Evaporites

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Section: Methodsmentioning

confidence: 99%

Analysis of reef sedimentation in Hurghada (Egypt), northern Red Sea

El-Sammak

El-Sayedand

El-Sabrouti

1997

Carbonates Evaporites

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“…Raised fossil reefs exist on the shore and result from tectonic uplift and changes of relative sea level; it is likely they were fringing reefs at different times in the past 120,000 years (Behairy et al 1992). Previous studies of the Hurghada region dealt with bottom topography and coral formations (Badr and Crossland, 1939;Crossland, 1939), bottom and reefal sediments (Shukri, 1953;E1 Sayed, 1984;Moussa et al 1991), and carbonate mineralogy on reef-building corals (El Wakeel et al 1984).…”

Section: Introductionmentioning

confidence: 98%

“…The variation in the width is shown to be strongly related to morphological changes in the early development of this coastal zone. The fluvial sediment discharged from surrounded mountains might have had an effect on the early morphology of the reef formations (Moussa et al 1991). The tide is semidiurnal having a maximum peak every 12 h with a mean tidal range of about 0.8 m. The water salinity is relatively high; the average salinity near the coast is 41% and is 40% in the deeper water.…”

Section: Introductionmentioning

confidence: 99%

“…These islands and the submerged coral system serve to dissipate ware energy during stormy conditions. The beach sediments are composed of terrigenous quartz grains provided by the alluvial channel system draining the bordering mountain ranges and detrital corals (Moussa et al 1991). Raised fossil reefs exist on the shore and result from tectonic uplift and changes of relative sea level; it is likely they were fringing reefs at different times in the past 120,000 years (Behairy et al 1992).…”

Section: Introductionmentioning

confidence: 99%

“…The tide is semidiurnal having a maximum peak every 12 h with a mean tidal range of about 0.8 m. The water salinity is relatively high; the average salinity near the coast is 41% and is 40% in the deeper water. Water temperature ranges from 21°C to 32°C (Moussa et al 1991). Winds mainly blow from the NW and N during most of the year, but come from the S and SE during the monsoon "Azyab" storms.…”

Section: Introductionmentioning

confidence: 99%

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Human impacts on the coastal zone of Hurghada, northern Red Sea, Egypt

Frihy¹,

Fanos²,

Khafagy³

et al. 1996

Geo-Marine Letters

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Abstraet Hurghada is located along the western margin of the northern Red Sea. The fringing coral reef and the pleasant dry weather make Hurghada an attractive tourist site. Over 40 recreational projects have been constructed, and there is a need for more such projects in spite of the fact that they threaten the coastal zone of Hurghada. Subsequent environmental hazards have been created that impacted the coastline and the marine ecosystem. The living corals and the marine ecology in the reef system have suffered dramatic degradation. The depositionalhydrodynamic pattern has been affected as a result of blocking littoral currents by protruded constructions. Subsequently, some coastal segments have been subjected to local downdrift erosion.

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Carbonate geochemistry and mineralogy of short cores, Gulf of Suez, Egypt

El-Sammak

Shaaban

1996

Carbonates Evaporites

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The present paper dealsprimarily with the mineralogical. geochemicaland isotopiccharacteristics of somemodem carbonate sedimentsrecoveredfrom four short coresfrom the Gulf of Suezoff Sukhna. These cores lie between32°44' and 32°48' E and28°58' and 29°16' N. The paper aims to figure out the variouscontrols on the .minerals accumulation in the Gulf of Suez and to evaluatethe chemical and isotopic variations in these sediments. Mineralogicalinvestigations reveal the presence of Mg-ca1cite andaragonite as the dominant minerals with subordinateamounts of calcite and dolomite. The Sr . values calculatedfor the studied cores suggest the mixed origin angomlll of aragonite, i.e. it is derived from mixturesof skeletal(mollusks andcorals)and nonskeletal. Both Mg and Mn favor the incorporation into the embryonicforms of the biotic and abioticcalcite andMg-calcitecrystalsThe verticaldistribution profilesof Ca, Mg, Sr, Fe, Mn and Ba and also oxygen and carbon stable isotopesin the studiedcores exhibitsignificantrelations with the mineralogy. Both elementalvalues and isotopic signatures of the investigatedsamples are in accord with the significantrole played by biologicalprocesses in the productionof carbonate sediments in the Gulf of Suez.

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Unconsolidated reefal sediments in the Jubal Strait region, Red Sea, Egypt

Cited by 10 publications

References 29 publications

Analysis of reef sedimentation in Hurghada (Egypt), northern Red Sea

Analysis of reef sedimentation in Hurghada (Egypt), northern Red Sea

Human impacts on the coastal zone of Hurghada, northern Red Sea, Egypt

Carbonate geochemistry and mineralogy of short cores, Gulf of Suez, Egypt

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