干旱区生态环境知识资源中心(Arid): The Sukari Neoproterozoic granitoids, Eastern Desert, Egypt: Petrological and structural implications

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DOI	10.1016/j.jafrearsci.2018.08.020
	The Sukari Neoproterozoic granitoids, Eastern Desert, Egypt: Petrological and structural implications
	Mohamed, Haroun A.1; Ali, Shehata 1; Sedki, Tarek 1; Khalik, Ismaiel I. Abdel 2
通讯作者	Mohamed, Haroun A.
来源期刊	JOURNAL OF AFRICAN EARTH SCIENCES
ISSN	1464-343X
EISSN	1879-1956
出版年	2019
卷号	149 页码:426-440
英文摘要	The Sukari granitoid pluton is situated in the southern central Eastern Desert of Egypt and is considered as one of the best examples of the gold-bearing granites in the Arabian Nubian Shield (ANS). It consists of coarse- to medium-grained alkali-feldspar granite, syenogranite and monzogranite intruded the volcano-sedimentary sequences and metagabbro-diorite complex. Geochemically, these granitoids are metaluminous to peraluminous in character. They are characterized by positive Rb, K, Zr and Pb and negative Ba, Sr, P, Nb and Ti anomalies and exhibit similar trace element patterns. Moreover, they show pronounced LREE-enriched patterns and negative Eu anomalies that indicate plagioclase fractionation. The studied rocks are typical of within plate granites generated in tensional environment. They belong to ferroan/A-type granites, particularly A(2)-type suggesting post-collisional setting. Their high SiO2, Al2O3 and low MgO contents along with the low Ce/Pb ratios reflect derivation from melting crustal source. The major structures of the Sukari area encompass Akbar Wahid, Golden Boy, Buthinae and Kaolinitic Faults. The area is characterized by NNE-NE trending shear zone and WNW-EW stress orientation. The mineralized structures contain quartz veins trending mostly EW, NS and NNW; joints with NS, EW, NNE and NNW trends; faults with NNW, NNE, NS and EW trends; and breccia with NNW trend. The kinematic indicators are represented by mylonites, quartz fish and augen structures. Mineralization in Sukari area found as quartz veins, stockworks and brecciated veins.
英文关键词	Sukari Neoproterzoic Granitoids Eastern desert Egypt
类型	Article
语种	英语
国家	Egypt
收录类别	SCI-E
WOS记录号	WOS:000449894400025
WOS关键词	ARABIAN-NUBIAN SHIELD ; A-TYPE-GRANITOIDS ; CRUSTAL EVOLUTION ; CORE COMPLEX ; AFRICAN OROGEN ; SAUDI-ARABIA ; CONSTRAINTS ; DISCRIMINATION ; CLASSIFICATION ; MAGMATISM
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/2XILL650/216590
作者单位	1.Menia Univ, Geol Dept, Fac Sci, El Minia 61519, Egypt; 2.Centamin Egypt Ltd, 361 El Horreya Rd, Alexandria, Egypt
推荐引用方式 GB/T 7714	Mohamed, Haroun A.,Ali, Shehata,Sedki, Tarek,et al. The Sukari Neoproterozoic granitoids, Eastern Desert, Egypt: Petrological and structural implications[J],2019,149:426-440.
APA	Mohamed, Haroun A.,Ali, Shehata,Sedki, Tarek,&Khalik, Ismaiel I. Abdel.(2019).The Sukari Neoproterozoic granitoids, Eastern Desert, Egypt: Petrological and structural implications.JOURNAL OF AFRICAN EARTH SCIENCES,149,426-440.
MLA	Mohamed, Haroun A.,et al."The Sukari Neoproterozoic granitoids, Eastern Desert, Egypt: Petrological and structural implications".JOURNAL OF AFRICAN EARTH SCIENCES 149(2019):426-440.