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   Articles with "nubian shield" as a keyword



Not all Neoproterozoic iron formations are glaciogenic: Sturtian-aged non-Rapitan exhalative iron formations from the Arabian–Nubian Shield

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recommendations! Published in 2019 at "Mineralium Deposita"

DOI: 10.1007/s00126-019-00898-0

Abstract: Neoproterozoic iron formations are exposed in the Wadi Hamama area (Egypt) in the northwestern part of the Arabian–Nubian Shield. Mafic and felsic volcanic and volcaniclastic rocks of an intra-oceanic island-arc setting host multiple, thin iron-formation… read more here.

Keywords: iron formations; nubian shield; arabian nubian; neoproterozoic iron ... See more keywords

Geochemistry and origin of high-Sr carbonatite from the Nuba Mountains, Arabian-Nubian Shield, Sudan

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recommendations! Published in 2021 at "Journal of Asian Earth Sciences"

DOI: 10.1016/j.jseaes.2021.104773

Abstract: Abstract Carbonatite from the Arabian-Nubian Shield of Sudan occurs as dykes in the Nuba Mountains. It is composed of calcite with some feldspars, quartz and fluorite. CaO is the major constituent in this carbonatite and… read more here.

Keywords: arabian nubian; geochemistry; nuba mountains; nubian shield ... See more keywords

Mineralogical, geochemical and Sr-Nd isotopes characteristics of fluorite-bearing granites in the Northern Arabian-Nubian Shield, Egypt: Constraints on petrogenesis and evolution of their associated rare metal mineralization

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recommendations! Published in 2017 at "Ore Geology Reviews"

DOI: 10.1016/j.oregeorev.2017.04.015

Abstract: Abstract The Central Eastern Desert (CED) of Egypt, a part of Neoproterozoic Arabian Nubian Shield (ANS), embraces a multiplicity of rare metal bearing granitoids. Gabal El-Ineigi represents one of these granitic plutons and is a… read more here.

Keywords: nubian shield; rare metal; arabian nubian; fluorite bearing ... See more keywords
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A review and synthesis of strain studies in the Egyptian Nubian Shield: materials, methods, problems and prospects

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recommendations! Published in 2021 at "Precambrian Research"

DOI: 10.1016/j.precamres.2020.106072

Abstract: Abstract More than seventy strain studies in the Egyptian Nubian Shield (ENS) are reviewed in this contribution. For the Hammamat basin strain studies, Rf/ϕ and Fry methods have been applied to pebble sections, mudcracks and… read more here.

Keywords: nubian shield; strain; egyptian nubian; studies egyptian ... See more keywords

Revisiting gabbroic rocks in the Egyptian-Nubian Shield: new perspectives on the tectonic evolution and classification

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recommendations! Published in 2025 at "International Geology Review"

DOI: 10.1080/00206814.2025.2478609

Abstract: ABSTRACT This contribution reconceives the classification and tectonic evolution of gabbroic rocks in the Egyptian segment of the Arabian-Nubian Shield (ANS), where gabbroic intrusions of diverse ages and geodynamic settings offer an opportunity to give… read more here.

Keywords: classification; tectonic evolution; rocks egyptian; gabbroic rocks ... See more keywords

Reconstructing the Tectonic History of the Arabian–Nubian Shield in Sinai: Low-Temperature Thermochronology Implications on Wadi Agar Area

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recommendations! Published in 2023 at "Minerals"

DOI: 10.3390/min13040574

Abstract: The Arabian–Nubian Shield envelops the entire regional tectonic history from its formation during the Ediacaran to the Red Sea/Gulf of Suez rifting in the Oligocene–Miocene. The occurrence and extent of the expected successive tectonic events… read more here.

Keywords: temperature; nubian shield; tectonic history; arabian nubian ... See more keywords

Genesis of Rare Metal Granites in the Nubian Shield: Tectonic Control and Magmatic and Metasomatic Processes

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recommendations! Published in 2024 at "Minerals"

DOI: 10.3390/min14050522

Abstract: The Igla Ahmr region in the Central Eastern Desert (CED) of Egypt comprises mainly syenogranites and alkali feldspar granites, with a few tonalite xenoliths. The mineral potential maps were presented in order to convert the… read more here.

Keywords: type; alteration; type granites; nubian shield ... See more keywords

An Occurrence of Pyroxmangite in the NYF Granitic Pegmatite of the Gabal El-Bakriya Intrusion, Arabian–Nubian Shield

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recommendations! Published in 2025 at "Minerals"

DOI: 10.3390/min15101027

Abstract: We report here, for the first time on the Nubian Shield, the western half of the Arabian–Nubian Shield (ANS), pegmatite-hosted pockets with a unique mineralogy, including pyroxmangite. It represents the second discovery on the ANS,… read more here.

Keywords: bakriya intrusion; shield; arabian nubian; gabal bakriya ... See more keywords