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DOI | 10.1007/s10347-011-0280-2 |
Depositional environments and facies development of the Cenomanian-Turonian Galala and Maghra el Hadida formations of the Southern Galala Plateau (Upper Cretaceous, Eastern Desert, Egypt) | |
Wilmsen, Markus1; Nagm, Emad2 | |
通讯作者 | Wilmsen, Markus |
来源期刊 | FACIES
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ISSN | 0172-9179 |
出版年 | 2012 |
卷号 | 58期号:2页码:229-247 |
英文摘要 | The Cenomanian-Turonian (Upper Cretaceous) Galala and Maghra el Hadida formations of the Southern Galala Plateau in Wadi Araba (northern Eastern Desert, Egypt) represent marine depositional systems developing in response to the early Late Cretaceous transgression at the southern margin of the Neotethyan Ocean in tropical paleolatitudes. A facies analysis (litho-, bio- and microfacies) of these successions shows the presence of 22 facies types (FTs, six are related to the Galala Formation, while the Maghra el Hadida Formation is represented by 16 FTs). The Galala Formation was deposited in a fully marine lagoonal environment developing in response to a latest Middle to early Late Cenomanian transgression. The rich suspension- and deposit-feeding macrobenthos of the Galala Formation indicate meso- to eutrophic (i.e., green water) conditions. The facies types of the uppermost Cenomanian-Turonian Maghra el Hadida Formation suggest deposition on a homoclinal carbonate ramp with sub-environments ranging from deep-subtidal basin to intertidal back-ramp. Major and rapid shifts in depositional environments, related to (relative) sea-level changes, occurred in the mid-Late Cenomanian, the Early-Middle Turonian boundary interval, the middle part of the Middle Turonian and the Middle-Late Turonian boundary interval. |
英文关键词 | Late Cretaceous Microfacies Biofacies Lithofacies Eastern Desert Egypt |
类型 | Article |
语种 | 英语 |
国家 | Germany ; Egypt |
收录类别 | SCI-E |
WOS记录号 | WOS:000301844600005 |
WOS关键词 | SEQUENCE STRATIGRAPHY ; PLATFORM CONFIGURATION ; NORTHERN GERMANY ; CARBONATE SHELF ; CENTRAL TUNISIA ; SINAI ; BIOSTRATIGRAPHY ; SYSTEM ; BASIN ; AREA |
WOS类目 | Geology ; Paleontology |
WOS研究方向 | Geology ; Paleontology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/172322 |
作者单位 | 1.Museum Mineral & Geol, Sekt Palaozool, D-01109 Dresden, Germany; 2.Al Azhar Univ, Fac Sci, Dept Geol, Assiut, Egypt |
推荐引用方式 GB/T 7714 | Wilmsen, Markus,Nagm, Emad. Depositional environments and facies development of the Cenomanian-Turonian Galala and Maghra el Hadida formations of the Southern Galala Plateau (Upper Cretaceous, Eastern Desert, Egypt)[J],2012,58(2):229-247. |
APA | Wilmsen, Markus,&Nagm, Emad.(2012).Depositional environments and facies development of the Cenomanian-Turonian Galala and Maghra el Hadida formations of the Southern Galala Plateau (Upper Cretaceous, Eastern Desert, Egypt).FACIES,58(2),229-247. |
MLA | Wilmsen, Markus,et al."Depositional environments and facies development of the Cenomanian-Turonian Galala and Maghra el Hadida formations of the Southern Galala Plateau (Upper Cretaceous, Eastern Desert, Egypt)".FACIES 58.2(2012):229-247. |
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