Geochemical characteristics and origin of the Neoproterozoic high-K calc-alkaline granitoids in the northern part of Mandara hills, northeastern Nigeria
Sign Up to like & getrecommendations! Published in 2019 at "Acta Geochimica"
DOI: 10.1007/s11631-019-00365-7
Abstract: The high-K calc-alkaline granitoids in the northern part of the Mandara Hills are part of the well-exposed post-collisional plutons in northeastern Nigeria. The calc-alkaline rock association consists of quartz monzodiorite, hornblende biotite granite, biotite granites… read more here.
Keywords: granitoids northern; part; alkaline granitoids; northern part ... See more keywords
Rhyacian and Neoproterozoic magmatic associations of the Gurupi Belt, Brazil: Implications for the tectonic evolution, and regional correlations
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DOI: 10.1016/j.gsf.2020.02.016
Abstract: Abstract The Gurupi Belt, in north-northeastern Brazil, is a mobile belt developed in the south-southwestern margin of the Sao Luis cratonic fragment and crops out as a tectonic and erosional window within the Phanerozoic cover.… read more here.
Keywords: magmatic associations; evolution; calc alkaline; gurupi belt ... See more keywords
Geochronology and isotopic geochemistry of Ediacaran high-K calc-alkaline felsic volcanism: An example of a Moroccan perigondwanan (Avalonian?) remnant in the El Jadida horst (Mazagonia)
Sign Up to like & getrecommendations! Published in 2020 at "Journal of African Earth Sciences"
DOI: 10.1016/j.jafrearsci.2019.103669
Abstract: Abstract Reliable new U/Pb zircon data from volcanic felsic rocks outcropping in the El Jadida region (Moroccan Coastal Block) were carried out on five samples. Concordant U/Pb zircon data yielded two main crystallization ages at… read more here.
Keywords: ediacaran high; high calc; calc alkaline; geochemistry ... See more keywords
Paleoproterozoic metamorphosed calc-alkaline dikes of the southwestern Río de la Plata craton, Tandilia belt of Argentina, record a prograde high-pressure, medium-temperature evolution
Sign Up to like & getrecommendations! Published in 2020 at "Journal of South American Earth Sciences"
DOI: 10.1016/j.jsames.2020.102595
Abstract: Abstract Two metamorphosed calc-alkaline dikes, a metadacite and metarhyolite, and their country-rock from El Quebracho hill in the Tandilia belt (TB), Rio de la Plata craton, were studied in detail. Both dikes contain chemically zoned… read more here.
Keywords: alkaline dikes; calc alkaline; plata craton; metamorphosed calc ... See more keywords
Contemporaneous alkaline and calc-alkaline series in Central Anatolia (Turkey): Spatio-temporal evolution of a post-collisional Quaternary basaltic volcanism
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2018.02.012
Abstract: Abstract This study focuses on spatio-temporal evolution of basaltic volcanism in the Central Anatolian post-collisional Quaternary magmatic province which developed along a NE-SW orientation in Turkey. This magmatic province consists of the stratovolcanoes Erciyes (ES)… read more here.
Keywords: volcanism; spatio temporal; calc alkaline; alkaline ... See more keywords
Genesis of high-potassium calc-alkaline peraluminous I-type granite: New insights from the Gaoligong belt granites in southeastern Tibet Plateau
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DOI: 10.1016/j.lithos.2019.105343
Abstract: Abstract Silicic magmas, primarily felsic I- and S-type granite (sensu lato), play a key role in understanding the compositional evolution and differentiation of the continental crust. However, the genetic models of felsic I-type granites remain… read more here.
Keywords: type granite; calc alkaline; type granites; felsic type ... See more keywords
Orosirian I-type calc-alkaline granitoids from northern Brazil: Petrogenetic implications for evolution of the central Amazonian Craton
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DOI: 10.1016/j.lithos.2020.105914
Abstract: Abstract New petrographic, lithochemical, in situ U Pb geochronological and Nd isotopes data allowed to propose a petrotectonic model for 1.90–1.88 Ga I-type calc-alkaline granitoids (Terra Preta Massif - TPM, Agua Branca Suite) from the southernmost… read more here.
Keywords: calc alkaline; alkaline granitoids; type calc;
Diverse origins of late Paleozoic calc-alkaline magmatic rocks from the Bogda tectonic belt: Implications for the geodynamic evolution of the eastern Tianshan, NW China
Sign Up to like & getrecommendations! Published in 2021 at "Lithos"
DOI: 10.1016/j.lithos.2021.106442
Abstract: Abstract The changing origins of the late Paleozoic calc-alkaline magmatic rocks in the Bogda tectonic belt (BTB) during the Late Carboniferous–Early Permian bring new insights into the subduction-collision processes in the eastern Tianshan region. Based… read more here.
Keywords: alkaline magmatic; late paleozoic; calc alkaline; paleozoic calc ... See more keywords
Incremental Growth of Mid- to Upper-Crustal Magma Bodies During Arabia–Eurasia Convergence and Collision: A Petrological Study of the Calc-Alkaline to Shoshonitic Meghri–Ordubad Pluton (Southern Armenia and Nakhitchevan, Lesser Caucasus)
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DOI: 10.1093/petrology/egy050
Abstract: The composite Meghri-Ordubad pluton (MOP) is located in the southernmost Lesser Caucasus and outcrops over ~1000 km2 in southern Armenia and Nakhitchevan. It is characterized by nested intrusions incrementally emplaced over ~30 Myr from the… read more here.
Keywords: mid upper; calc; calc alkaline; chemistry ... See more keywords
The Calc-Alkaline Hidden Bay and Kagalaska Plutons and the Construction of the Central Aleutian Oceanic Arc Crust
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DOI: 10.1093/petrology/egy119
Abstract: Calc-alkaline plutons are the major crustal building blocks of continental margins, but are rarely exposed in oceanic island arcs. Two of the best examples are the ∼10 km wide Hidden Bay and Kagalaska plutons that intrude… read more here.
Keywords: hidden bay; crust; arc; calc alkaline ... See more keywords
Coeval interaction between magmas of contrasting composition (Late Carboniferous-Early Permian Santa Eulália-Monforte massif, Ossa-Morena Zone): field relationships and geochronological constraints
Sign Up to like & getrecommendations! Published in 2017 at "Geologica Acta"
DOI: 10.1344/geologicaacta2017.15.4.10
Abstract: The Santa Eulalia-Monforte massif is a post-kinematic Late Carboniferous-Early Permian calc-alkaline composite massif (LC-EP) located in the Ossa-Morena Zone (OMZ, Portugal). This paper examines the field relationships between pinkish granites and mafic-intermediate rocks from the… read more here.
Keywords: massif; late carboniferous; calc alkaline; monforte massif ... See more keywords