Not all Neoproterozoic iron formations are glaciogenic: Sturtian-aged non-Rapitan exhalative iron formations from the Arabian–Nubian Shield
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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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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
Two-stage crustal growth in the Arabian-Nubian shield: Initial arc accretion followed by plume-induced crustal reworking
Sign Up to like & getrecommendations! Published in 2021 at "Precambrian Research"
DOI: 10.1016/j.precamres.2021.106211
Abstract: Abstract Island-arc accretion during the assembly of Gondwana has been widely regarded as the main mechanism for Neoproterozoic crustal growth in the Arabian-Nubian Shield (ANS). However, processes involved to transform the newly accreted juvenile terranes… read more here.
Keywords: crustal growth; intermediate rocks; arabian nubian; growth arabian ... See more keywords
Reconstructing the Tectonic History of the Arabian–Nubian Shield in Sinai: Low-Temperature Thermochronology Implications on Wadi Agar Area
Sign Up to like & getrecommendations! 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