Metamorphic and geochronologic constraints on the tectonic evolution of the Central Eastern Desert of Egypt
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- 作者：A.K. El-Shazlya ; elshazly@marshall.edu" class="auth_mail" title="E-mail the corresponding author ; K.I. Khalilb ; kebeid@yahoo.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：ANS ; Arabian&ndash ; Nubian Shield ; BIF ; banded iron formation ; BSEI ; back scattered electron image ; CED ; Central Eastern Desert ; LA-ICP-MS ; laser ablation inductively coupled plasma mass spectrometry ; Mg # ; Mg/(Mg ; + ; Fe2+) ; NED ; northern Eastern Desert ; PPL ; plane-polarized light ; ps ; pistacite ; RL ; reflected light ; SED ; Southern Eastern Desert ; SHRIMP ; sensitive high resolution ion microprobe ; Xi ; mole fraction of component &ldquo ; i&rdquo ; XPL ; cross-polarized light
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：283
- 期：Complete
- 页码：144-168
- 全文大小：8435 K
文摘
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Egyptian Central Eastern Desert characterized by Neoproterozoic banded iron formations.
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Metamorphic grade in CED decreases from south to north.
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Arc activity in three main pulses at 828, 772, and 728 Ma.
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BIF volcanogenic in origin formed in fore- and back-arc basins.
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Collisional stage of Pan-African orogeny began 680 Ma.