Arid
DOI10.1007/s12517-017-2935-y
Mineralogy and radioactivity of anomalous sites of Wadi Murrah post-collision granites, south Eastern Desert, Egypt
Fawzy, Khairiya Mohamed1; El Shayip, Jehan B.2
通讯作者Fawzy, Khairiya Mohamed
来源期刊ARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
出版年2017
卷号10期号:7
英文摘要

Wadi Murrah area is located in the extreme south Eastern Desert of Egypt. The area comprises four distinct tectono-stratigraphic units beginning with the oldest as follows: ophiolitic assemblage (dismembered ophiolitic rocks and ophiolitic melange), arc assemblage (metavolcanics, metagabbros, and older granites), post-collision granitoids (monzogranite, syenogranite, and alkali feldspar granite), and associatedwith dykes and quartz veins. The identifiedminerals in the samples taken from the anomalous sites of syenogranite and alkali feldspar granite in the northern part of the study area are represented by uranophane, autonite, meta-autonite, uranothorit, columbite, zircon, fluorite, monazite, xenotime, sphene, allanite, and apatite. The anomalous samples have U and Th average contents for syenogranites and alkali feldspar granites 82 and 104.4 ppm and 209 and 115.2 ppm, respectively. The high radioactivity in the anomalous sites is controlled lithologically and structurally. The secondary processes played a main role in uranium enrichment (uranium added to these granitic sites post-magmatically).


英文关键词Radioactive minerals Wadi Murrah granites South Eastern Desert Egypt
类型Article
语种英语
国家Egypt
收录类别SCI-E
WOS记录号WOS:000399161100004
WOS关键词ARABIAN-NUBIAN SHIELD ; AFRICAN OROGEN ; EVOLUTION ; ZIRCON ; ARC
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/197469
作者单位1.Aswan Univ, Fac Sci, Geol Dept, Aswan, Egypt;
2.Nucl Mat Author, POB 530, Cairo, Egypt
推荐引用方式
GB/T 7714
Fawzy, Khairiya Mohamed,El Shayip, Jehan B.. Mineralogy and radioactivity of anomalous sites of Wadi Murrah post-collision granites, south Eastern Desert, Egypt[J],2017,10(7).
APA Fawzy, Khairiya Mohamed,&El Shayip, Jehan B..(2017).Mineralogy and radioactivity of anomalous sites of Wadi Murrah post-collision granites, south Eastern Desert, Egypt.ARABIAN JOURNAL OF GEOSCIENCES,10(7).
MLA Fawzy, Khairiya Mohamed,et al."Mineralogy and radioactivity of anomalous sites of Wadi Murrah post-collision granites, south Eastern Desert, Egypt".ARABIAN JOURNAL OF GEOSCIENCES 10.7(2017).
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