A mid-Archaean ophiolite complex, Barberton Mountain land [PDF]
New field observations and structurally restored geologic sections through the southern part of 3.5-3.6 Ga Barberton greenstone belt show that its mafic to ultramafic rocks form a pseudostratigraphy comparable to that of Phanerozoic ophiolites; this ...
Dewit, M. J., Hart, R., Hart, R.
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Cyclic formation and stabilization of Archean lithosphere by accretionary orogenesis : constraints from TTG and potassic granitoids, North China Craton [PDF]
, 2017 This study is financially supported by the National Natural Science Foundation of China (Grant Nos. 41502179, 41530207, 41472165) and Central University Basic Scientific Research Business Expenses of China University of Geosciences (Beijing) (Grant No ...
Bai, Xiang +5 more
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Geosciences, 2018 The Archaean (4.0–2.5 Ga) continental crust is mainly composed of granitoids, whose geochemical characteristics are a function of their formation mechanisms and components, as well as physical conditions of their source.
Jaana Halla
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Tectonics of some Amazonian greenstone belts [PDF]
Greenstone belts exposed amid gneisses, granitoid rocks, and less abundant granulites along the northern and eastern margins of the Amazonian Craton yield Trans-Amazonican metamorphic ages of 2.0-2.1 Ga.
Gibbs, A. K.
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Radiological hazards assessment associated with granitoid rocks in Egypt
Nuclear Engineering and TechnologyThe present study aimed to assess the radioactive hazards associated with the application of granitoid rocks in building materials. An HPGe spectrometer was used to detect the levels of the radioactive elements uranium-238, thorium-232, and potassium-40 ...
Ahmed E. Abdel Gawad +3 more
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PETROGENESIS AND ORIGIN OF THE CHENAR GRANITOID STOCK, NW OF KERMAN, IRAN: EVIDENCE OF NEOTETHYS SUBDUCTION RELATED ARC MAGMATISM [PDF]
Journal of Sciences, Islamic Republic of Iran, 2003 The lower to middle Miocene Chenar granitoid stock, a part of Central Iranian volcanic belt, is intruded into Eocene volcano-sedimentary complex in northwestern Kerman in south Central Iran.
M. Arvin
doaj
Regional variation in the Amitsoq gneisses related to crustal levels during late Archean granulite facies metamorphism: Southern west Greenland [PDF]
The dominant lithology at Kangimut sangmissoq is described as nebulitic tonalitic gneiss containing highly distended plagioclase phyric amphibolites. The gneiss amphibolite complex was intruded by Nuk gneiss between 3.05 and 2.90 Ga and later (2.6 to 2.7
Bridgwater, D. +2 more
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Petrology and Geochemistry of Granitoid from South Sulawesi, Indonesia: Implication for Rare Earth Element (REE) Occurrences [PDF]
, 2016 This study reports petrology and geochemistry of potential rare earth elements (REE) bearing granitoid from South Sulawesi. The granitoid consists of monzogranite, granodiorite and diorite with subordinate of quartz monzonite, monzodiorite and syenite ...
Maulana, Adi +2 more
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Igneous and tectonic evolution of Venusian and terrestrial coronae [PDF]
A great variety of tectonic and volcanic features have been documented on Venus. It is widely appreciated that there are close spatial associations among certain types of tectonic structures and some classes of volcanic flows and constructs.
Kargel, J. S., Komatsu, G.
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Volatile components and continental material of planets [PDF]
It is shown that the continental material of the terrestrial planets varies in composition from planet to planet according to the abundances and composition of true volatiles (H20, CO2, etc.) in the outer shells of the planets.
Florenskiy, K. P., Nikolayeva, O. V.
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