干旱区生态环境知识资源中心(Arid): Late Holocene Red Sea Coastal Evolution: Evidence from Shallow Subsurface Sedimentary Facies, North Al-Wajh, Saudi Arabia

Arid

DOI	10.1007/s41208-020-00248-2
	Late Holocene Red Sea Coastal Evolution: Evidence from Shallow Subsurface Sedimentary Facies, North Al-Wajh, Saudi Arabia
	Ghandour, Ibrahim M.; Majeed, Jawad; Al-Zubieri, Aaid G.; Mannaa, Ammar A.; Aljahdali, Mohammed H.; Bantan, Rashad A.
通讯作者	Ghandour, IM ; Al-Zubieri, AG
来源期刊	THALASSAS
ISSN	0212-5919
EISSN	2366-1674
英文摘要	The stratigraphy of the late Holocene shallow subsurface coastal sediments, North Al-Wajh, Saudi Arabia was investigated to reconstruct the environmental evolution of the area in relation to sea-level changes. Five shallow cores (1.1 to 2.2 m long) were collected from the intertidal flat bordering the Dumaygh Lagoon, and the mouths of wadis Antar and Haramil. The cores exhibit siliciclastic-dominated sediments, in some parts containing reworked calcareous shell fragments of bivalves, gastropods and coral remains. The sediments were analyzed for grain size, loss on ignition (LOI), CaCO(3)content, and bulk mineralogy. Mineralogically, the sediments were dominated by siliciclastic minerals (quartz, plagioclase, feldspars, and hornblende) followed by low Mg-calcite (LMC), high Mg-calcite (HMC) and aragonite. In addition, traces of mica, amphiboles, clay minerals, and dolomite were recognized. There is a slight lateral variation in the relative abundance of aragonite and high Mg calcite (HMC), particularly at the base of cores. The results provide a simple scenario for the late Holocene Northern Red Sea coastal evolution. Two vertically stacked sedimentary facies were recognized from the cores; grey mud-dominated lagoonal/bayfill at the base and yellowish-brown sand-dominated intertidal flat at the top. The vertical facies stacking suggests a forestepping pattern or progradational sequence possibly attributed to the late Holocene relative sea-level fall.
英文关键词	Red Sea coastal evolution Late Holocene sea-level fall Sedimentary facies arid coasts Mineralogical composition
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000561700700001
WOS关键词	GRAIN-SIZE DISTRIBUTION ; MAKRAN ACTIVE MARGIN ; SEQUENCE STRATIGRAPHY ; STREAM SEDIMENTS ; KHARRAR LAGOON ; LEVEL ; BASIN ; AREA ; ENVIRONMENTS ; PROVENANCE
WOS类目	Marine & Freshwater Biology ; Oceanography
WOS研究方向	Marine & Freshwater Biology ; Oceanography
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/328174
作者单位	[Ghandour, Ibrahim M.; Majeed, Jawad; Al-Zubieri, Aaid G.; Mannaa, Ammar A.; Aljahdali, Mohammed H.; Bantan, Rashad A.] King Abdulaziz Univ, Fac Marine Sci, Marine Geol Dept, Jeddah, Saudi Arabia; [Ghandour, Ibrahim M.] Tanta Univ, Fac Sci, Geol Dept, Tanta 31527, Egypt; [Al-Zubieri, Aaid G.] Hodeidah Univ, Fac Marine Sci & Environm, Marine Geol Dept, Hodeidah, Yemen
推荐引用方式 GB/T 7714	Ghandour, Ibrahim M.,Majeed, Jawad,Al-Zubieri, Aaid G.,et al. Late Holocene Red Sea Coastal Evolution: Evidence from Shallow Subsurface Sedimentary Facies, North Al-Wajh, Saudi Arabia[J].
APA	Ghandour, Ibrahim M.,Majeed, Jawad,Al-Zubieri, Aaid G.,Mannaa, Ammar A.,Aljahdali, Mohammed H.,&Bantan, Rashad A..
MLA	Ghandour, Ibrahim M.,et al."Late Holocene Red Sea Coastal Evolution: Evidence from Shallow Subsurface Sedimentary Facies, North Al-Wajh, Saudi Arabia".THALASSAS