Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Gehad M. Saleh"'
Autor:
Farrage M. Khaleal, Mohammed Z. El-Bialy, Gehad M. Saleh, El Saeed R. Lasheen, Mohamed S. Kamar, Mohamed M. Omar, Mohamed N. El-dawy, Ahmed Abdelaal
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-20 (2023)
Abstract Emerald and other beryls represent a family of the most valuable gemstone around the world and particularly in Egypt. Beryllium (Be) contents in beryl-bearing bedrocks in south Sinai (Wadi Ghazala and Wadi Sedri), and in central and south Ea
Externí odkaz:
https://doaj.org/article/7ea24ad50cee4945b194df74efba8bf1
Autor:
Mohamed Zaki Khedr, Gehad M. Saleh, Khaled M. Abdelfadil, Eiichi Takazawa, Kamal Abdelrahman, Akihiro Tamura, Shaimaa Ali El-Shafei
Publikováno v:
Minerals, Vol 14, Iss 5, p 465 (2024)
Beryl mineralization in the Nugrus-Sikait domain in the South Eastern Desert (SED) of Egypt occurs as disseminated crystals in granitic pegmatite and quartz, as well as pegmatite veins crosscutting mélange schist and ophiolitic rocks. When granitic
Externí odkaz:
https://doaj.org/article/774ffbf1a0d245168595a8f07c7a1ec7
Autor:
Farrage M. Khaleal, Gehad M. Saleh, El Saeed R. Lasheen, Abdullah M. Alzahrani, Samir Z. Kamh
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
A net of pegmatite veins crosscut gneiss and dismembered ophiolitic ultramafic rocks are abundant in the Migif-Hafafit culmination area, South Eastern Desert, Egypt. Some of these pegmatites are corundum-bearing. Corundum-bearing pegmatites are studi
Externí odkaz:
https://doaj.org/article/d69f336c79904a9eb8d80e4ef3957b25
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10524 (2021)
This contribution deals with new geology, petrography, and bulk-rock/mineral chemistry of the poorly studied ultramafics of Wadi Ibib–Wadi Shani (WI–WS) district, South Eastern Desert, Egypt. These ultramafics are dismembered ophiolitic rocks tha
Externí odkaz:
https://doaj.org/article/567973c1bead493191285341426aea0e
Publikováno v:
The Phanerozoic Geology and Natural Resources of Egypt ISBN: 9783030956363
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7d9a6c51384e3f298178ed22f763cf1
https://doi.org/10.1007/978-3-030-95637-0_20
https://doi.org/10.1007/978-3-030-95637-0_20
Publikováno v:
Arabian Journal of Geosciences. 15
Neoproterozoic Abu Ghalaga ilmenite-bearing mafic rocks were subjected to geological, petrographical and geochemical studies integrated with mineral chemistry of ilmenite, pyrite and magnetite in order to deduce their petrogenesis. Abu Ghalaga mafic
Publikováno v:
International Review of Applied Sciences and Engineering. 12:134-146
In this study, the mineralogical content of Abu Rusheid mylonite sample was investigated and revealed that the sample is essentially composed of quartz and feldspar (72.14% mass), muscovite (16.6% mass), and contains heavy economic polymetallic miner
Publikováno v:
Acta Geochimica. 40:819-845
The present work deals with the detailed geology, mineralogy, geochemistry, and spectrometric prospection of the felsic volcanic rocks at the Eastern Desert, Egypt of the Arabian-Nubian Shield. Felsic volcanic rocks are an essential source for rare e
Publikováno v:
Acta Geochimica. 40:575-601
The present study deals with the detailed field geology, mineralogy, geochemistry, and spectrometric prospection of rare metals and radioactive minerals associated with granitic pegmatites in the Gabal Um Lassaf- Abu Dob- Um Atelia- Kadabora- Kab El
Publikováno v:
Journal of African Earth Sciences. 197:104782