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DOI | 10.1016/j.jafrearsci.2017.03.025 |
The genesis of fluorite veins in Gabal El Atawi granite, Central Eastern Desert, Egypt | |
Fawzy, Khairiya M. | |
通讯作者 | Fawzy, Khairiya M. |
来源期刊 | JOURNAL OF AFRICAN EARTH SCIENCES
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ISSN | 1464-343X |
EISSN | 1879-1956 |
出版年 | 2018 |
卷号 | 146页码:150-157 |
英文摘要 | Quartz-fluorite-calcite veins were deposited by hydrothermal solutions along structures in Gabal El Atawi granitic pluton. The present investigation aims to study the geochemical characteristics and petrogenesis of Gabal El Atawi fluorite veins. Micro-inclusions data in fluorite veins were obtained and integrated with the available geological, mineralogical and geochemical data to yield information on the genesis of the mineralization as well as the evolution of the mineralizing fluids. Fluid inclusions studies reveal that the fluorite precipitated from saline (up to 22 equiv. wt % NaCl) H2O-NaCl-CaCl2 solutions at homogenization temperatures (T-h up to 220 degrees C). The close spatial relationship between fluorite veins and the granitic rocks, the structural control of the veins, the presence of fluorite and tourmaline as accessory minerals in the granite, the high fluorine concentration in the granite, the REE normalized pattern and the formation conditions of fluorite imply a magmatic origin of hydrothermal fluids which formed the fluorite veins. The source of the fluorite veins is the same magma chamber that supplied the granitic magma i.e. co-magmatic. The ore fluids were released as a result of late-stage differentiation, forming fluorite veins along faults and shears. (C) 2017 Elsevier Ltd. All rights reserved. |
英文关键词 | Genesis of fluorite veins Fluid inclusions REEs Gabal El Atawi granite Central Eastern Desert Egypt |
类型 | Article |
语种 | 英语 |
国家 | Egypt |
收录类别 | SCI-E |
WOS记录号 | WOS:000447568000011 |
WOS关键词 | FLUID INCLUSIONS ; MINERALIZATION ; GEOCHEMISTRY ; MINERALS |
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/2XILL650/210405 |
作者单位 | Aswan Univ, Geol Dept, Fac Sci, Aswan, Egypt |
推荐引用方式 GB/T 7714 | Fawzy, Khairiya M.. The genesis of fluorite veins in Gabal El Atawi granite, Central Eastern Desert, Egypt[J],2018,146:150-157. |
APA | Fawzy, Khairiya M..(2018).The genesis of fluorite veins in Gabal El Atawi granite, Central Eastern Desert, Egypt.JOURNAL OF AFRICAN EARTH SCIENCES,146,150-157. |
MLA | Fawzy, Khairiya M.."The genesis of fluorite veins in Gabal El Atawi granite, Central Eastern Desert, Egypt".JOURNAL OF AFRICAN EARTH SCIENCES 146(2018):150-157. |
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