Beachrock Cementation Patterns Along the Gulf of Aqaba Coast, Saudi Arabia

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dc.authoridGhandour, Ibrahim/0000-0001-8907-2868
dc.contributor.authorHaredy, Rabea A.
dc.contributor.authorGhandour, Ibrahim M.
dc.contributor.authorErginal, Ahmet Evren
dc.contributor.authorBozcu, Mustafa
dc.date.accessioned2025-01-27T20:56:32Z
dc.date.available2025-01-27T20:56:32Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractBeachrocks crop out along the Saudi coast of the Gulf of Aqaba with beds lying at elevations up to 0.8 m above the present sea level and with seaward extents that repeatedly submerge and emerge during high and low water levels. This study discusses the cement composition, petrography and bedding features of beachrocks at 24 different locations, of which a total of eight sites were sampled. The study focuses on the petrographic and microtextural characteristics of the beachrocks to elucidate their cementation environment and diagenetic evolution. The results revealed the predominance of three main cement types: (1) fibrous aragonite cement with morphologies including isopachous rims around grains with or without micritic substrates, pore-filling radial aggregates, pseudospherulite and randomly oriented interlocking aragonite fibers; (2) microcrystalline low-Mg calcite (LMC) cement binding grains and filling inter-and intra-granular pore spaces; and (3) micritic cement in the form of envelopes and/or pore-filling micrite in some samples with meniscus bridges. The last two types also contain infiltrated silt-sized clasts and skeletal remains. The cements indicate precipitation mainly in pore-filled marine phreatic diagenetic zone and, rarely, in the marine vadose zone with the aid of microbial and algal activity. Petrographic investigations and energy-dispersive X-ray spectroscopy of selected samples showed the occurrences of aragonite and LMC.
dc.description.sponsorshipKing Abdulaziz University, Jeddah [388-150-1434]; DSR
dc.description.sponsorshipThis project was funded by the Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah, under Grant No. 388-150-1434. The authors thankfully acknowledge the DSR's technical and financial support. We are grateful to the editor and the anonymous reviewers for their constructive comments and the editorial handling of this manuscript.
dc.identifier.doi10.1007/s13369-018-3624-1
dc.identifier.endpage487
dc.identifier.issn2193-567X
dc.identifier.issn2191-4281
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85060485938
dc.identifier.scopusqualityQ1
dc.identifier.startpage479
dc.identifier.urihttps://doi.org/10.1007/s13369-018-3624-1
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26426
dc.identifier.volume44
dc.identifier.wosWOS:000458016300040
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Heidelberg
dc.relation.ispartofArabian Journal For Science and Engineering
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectBeachrock cement
dc.subjectAcicular aragonite
dc.subjectMicrocrystalline cement
dc.subjectMarine phreatic
dc.subjectVadose zones
dc.subjectMeniscus bridge
dc.subjectGulf of Aqaba
dc.titleBeachrock Cementation Patterns Along the Gulf of Aqaba Coast, Saudi Arabia
dc.typeArticle

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