Zobrazeno 1 - 10
of 28
pro vyhledávání: '"El Saeed R. Lasheen"'
Autor:
Mabrouk Sami, Mohamed Faisal, Matthew Leybourne, Ioan V. Sanislav, Mohamed S. Ahmed, El Saeed R. Lasheen
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The Neoproterozoic banded iron formations (BIFs) are widely occurred in the Egyptian Eastern Desert. This study integrates field observations, petrographic studies, geochemical data, and lead isotopes to construct the genesis and depositional environ
Externí odkaz:
https://doaj.org/article/5fce7496c99f437c89930757dfd3d661
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
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-24 (2023)
Abstract The present study aims to explain the geochemical and mineralogical details of the granitic rock types in Gabal EL-Faliq area, South Eastern Desert of Egypt, in relation to geotechnical engineering and their suitability as dimension stones.
Externí odkaz:
https://doaj.org/article/bac10955614a4f66a9aa3f22be351b16
Autor:
El Saeed R. Lasheen, Waheed H. Mohamed, Mahmoud H. Elyaseer, Mohamed A. Rashwan, Mokhles K. Azer
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract The current contribution conducted new geochemical, remote sensing integrated with gravity detailed studies of talc deposits to identify the talc protolith as well as its extension, depth, and structures. There are two examined areas, distri
Externí odkaz:
https://doaj.org/article/0b1a4841b7df440b8545dc842822f2b2
Autor:
Mohammed A. Rashwan, El Saeed R. Lasheen, Wael Abdelwahab, Mokhles K. Azer, Hesham M. H. Zakaly, Saad S. Alarifi, Antoaneta Ene, Ismail A. Thabet
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
The current work aims to describe the physico-mechanical characteristics and shielding efficiency with reference to the mineralogical and geochemical compositions of the Neoproterozoic Um Had composite granitoid pluton in order to deduce their favora
Externí odkaz:
https://doaj.org/article/59ead594e07644aaa91a4b2ad610c38b
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 12, Iss 17, p 8782 (2022)
In the current study, we conducted petrographic investigation combined with aeromagnetic data in order to classify variable granitic rocks, delineate structural trends and deduce depth of the basement rocks cropping out in Homrit Waggat area, Central
Externí odkaz:
https://doaj.org/article/e21bab6b36ee4faab21a24d7b4093b32
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
Autor:
Mohamed S. Kamar, Ibrahim A. Salem, Ibrahim E. El-Aassy, Abdu A. El-Sayed, Hamdy A. Awad, Huseyin Ozan Tekin, Abdullah M. Alzahrai, El Saeed R. Lasheen
Publikováno v:
Open Chemistry. 20:169-181
Variable single and/or swarms of post-granitic dikes are widespread at Gabal Serbal, Southwestern Sinai, Egypt. The present article aims to identify and discriminate these multiphase dikes through detailed geological, petrographical, and geochemical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::975b5afafe8b657b1d2f3739851090ab
https://doi.org/10.1515/chem-2022-0136
https://doi.org/10.1515/chem-2022-0136
Autor:
Mabrouk Sami, Munir M. A. Adam, Xinbiao Lv, El Saeed R. Lasheen, Antoaneta Ene, Hesham M. H. Zakaly, Saad S. Alarifi, Nasser M. Mahdy, Abdel Rahman A. Abdel Rahman, Adil Saeed, Esam S. Farahat, Douaa Fathy, Shehata Ali
Publikováno v:
Minerals
Volume 13
Issue 3
Pages: 331
Volume 13
Issue 3
Pages: 331
The widely distributed granitic intrusions in the Nubian Shield can provide comprehensive data for understanding its crustal evolution. We present new bulk-rock geochemistry and isotopic (zircon U-Pb and Lu-Hf) data from the Haweit granodiorites in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a7fa00d42cd07dfa60d7ca0b7500f81