GEOCHEMISTRY OF TRACE ELEMENTS IN ROCK-FORMING MINERALS OF GNEISSES AND GRANITES OF THE MURZINKA GRANITE AREA, CENTRAL URALS [PDF]
Минералогия, 2020 The Murzinka granite area (Central Urals), which combines Murzinka granite pluton and underlying rocks of the Murzinka-Adui metamorphic complex, exhibits an evident WE-trending geochemical zonation of magmatism with increasing of Rb, Li, Nb and Ta ...
S.V. Pribavkin +2 more
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PETROLOGY AND GEOCHEMISTRY OF BASEMENT GNEISSIC ROCKS AROUND OKA-AKOKO, SOUTHWESTERN, NIGERIA [PDF]
Malaysian Journal of Geosciences, 2018 The gneissic rocks of Oka-Akoko area forms part of the Migmatite-Gneiss-Quartzite Complex of the Southwestern Nigerian Basement Complex. The petrologic units in the study area include grey gneiss, granite gneiss, Older granite, charnockite and minor ...
Adegbuyi, O., +2 more
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Large Igneous Provinces (LIPs) and Anoxia Events in “The Boring Billion”
Geophysical Monograph Series, Page 449-486., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Shuan‐Hong Zhang +4 more
wiley +2 more sources
Applied Sciences, 2023 The top-geoherb “Rehe Scutellaria baicalensis” was naturally distributed on Yanshan Mountain in Chengde city, Hebei Province, China. Exploring the influences of parent materials on the quality of the top-geoherbs in terms of micronutrient elements is of ...
Zijian Sun +6 more
doaj +1 more source
Origin and geodynamic evolution of the Archean crust of eastern Finland [PDF]
Bulletin of the Geological Society of Finland, 1984 The Archaean crust of eastern Finland is composed of three main lithological units: ‒ Gneissic basement. It was originally composed of tonalites, trondhjemites and granodiorites emplaced at 2.86 G.a. and 2.62 G.a.
H. Martin +8 more
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The Rwenzori Mountains, a Paleoproterzoic crustal shear belt crossing the Albertine rift system [PDF]
, 2015 This contribution discusses the development of the Paleoproterozoic Buganda-Toro belt in the Rwenzori mountains and its influence on the western part of the East African Rift System in Uganda.
Aanyu, K. +6 more
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Acta Carsologica, 2018 Sthreepura Cave at Kiriwanagama consists of an upper level of cavities in quartzite formed by arenization and a lower level developed in a saprolite formed from the weathering of gneiss sandwiched between two layers of quartzite.
Pathmakumara Jayasingha +2 more
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Trace element and isotope constraints on crustal anatexis by upwelling mantle melts in the North Atlantic Igneous Province: an example form the Isle of Rum, NW Scotland [PDF]
, 2009 Sr and Nd isotope ratios, together with lithophile trace elements, have been measured in a representative set of igneous rocks and Lewisian gneisses from the Isle of Rum in order to unravel the petrogenesis of the felsic rocks that erupted in the early ...
Ellam, R.M. +5 more
core +1 more source
Cogent Engineering, 2022 This study is aimed at using geotechnical properties and statistical relationship between geotechnical parameters to evaluate the performance of subsoil derived two different rock types for pre- and post-engineering construction planning and design of ...
Temitayo Olamide Ale +3 more
doaj +1 more source
Complex examination of the Upper Paleozoic siliciclastic rocks from southern Transdanubia, SW Hungary—Mineralogical, petrographic, and geochemical study [PDF]
, 2007 A vertical section of Upper Paleozoic sandstones from southern Transdanubia (Mecsek-Villány area, Tisza mega-unit, Hungary) has been analyzed for major and trace elements, including rare earth elements (REEs).
Á +35 more
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