Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s12517-015-1943-z |
Mineralogical and geochemical aspects of Miocene laterite, Sharm Lollia area, South Eastern Desert, Egypt | |
Aly, Gehan A. M. | |
通讯作者 | Aly, Gehan A. M. |
来源期刊 | ARABIAN JOURNAL OF GEOSCIENCES
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ISSN | 1866-7511 |
EISSN | 1866-7538 |
出版年 | 2015 |
卷号 | 8期号:12页码:10399-10418 |
英文摘要 | A lateritic soil profile formed on the top of the middle Miocene was identified in the south of the Eastern Desert of Egypt. It is located about 55 km south of Marsa Alam and far about 3 km from the Red Sea coast. The mineral identification of samples was carried out using X-ray diffraction (XRD) and scanning electron microscope (SEM). The study revealed the relative predominance of kaolinite and gibbsite beside iron minerals (hematite and goethite), evaporates (halite and anhydrite), carbonate (dolomite and calcite), quartz, and cryptomelane. Accessory minerals are represented by columbite, tapiolite, thorite, monazite, zircon, barite, atacamite, anarkite, romanchite, hemimorphite, cerussite, garnet, ilmenite, nickel, and flurorichterite. The geochemical data of the bulk samples reflect enrichment in SiO2, Al2O3, Fe2O3, Zn, Pb, Ba, Sr, As, Nb, Cu, and Zr. This lateritic soil shows high Uc/Th ratio indicating addition of uranium under suboxic to anoxic condition. The LREE predominance was over the HREE due to the presence of monazite mineral. Negative Eu anomaly confirms the saturated source rocks of these laterites. |
英文关键词 | Egypt Sharm Lollia Laterite Gibbsite Kaolinite Mineralogy and geochemistry |
类型 | Article |
语种 | 英语 |
国家 | Egypt |
收录类别 | SCI-E |
WOS记录号 | WOS:000365450800019 |
WOS关键词 | CLIMATES ; SHALES |
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/2XILL650/185954 |
作者单位 | Nucl Mat Author, Cairo, Egypt |
推荐引用方式 GB/T 7714 | Aly, Gehan A. M.. Mineralogical and geochemical aspects of Miocene laterite, Sharm Lollia area, South Eastern Desert, Egypt[J],2015,8(12):10399-10418. |
APA | Aly, Gehan A. M..(2015).Mineralogical and geochemical aspects of Miocene laterite, Sharm Lollia area, South Eastern Desert, Egypt.ARABIAN JOURNAL OF GEOSCIENCES,8(12),10399-10418. |
MLA | Aly, Gehan A. M.."Mineralogical and geochemical aspects of Miocene laterite, Sharm Lollia area, South Eastern Desert, Egypt".ARABIAN JOURNAL OF GEOSCIENCES 8.12(2015):10399-10418. |
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