نتایج جستجو برای: granitoids
تعداد نتایج: 733 فیلتر نتایج به سال:
Sulfur and sulfides in the Cretaceous, magnetite-series granitoids of the Kitakami Mountains, Japan.
Rare-metals and rare earth mineralization has been observed in Wadi El Sheih older granitoids bearing uncommon mineralized pegmatite. This type of was recorded as distinguishable mega-crystals scattered within the Detailed mineralogical investigation carried out using different analytical techniques as: microscopic examinations, x-ray diffraction (XRD), scanning electron microscope (SEM) provid...
The lower crust of the Mesozoic Sierra Nevada batholith was made up of high MgO, garnet-poor and low MgO, garnet-rich pyroxenites. Both groups are genetically linked and are collectively complementary to the mafic to intermediate Sierran plutons. High MgO pyroxenites represent high pressure cumulates from a mantle-derived hydrous basalt or basaltic andesite, resulting in derivative magmas havin...
Geochemical and isotopic investigation of Proterozoic clastic chemical sedimentary rocks provide insights into surface conditions the early Earth. The mid-Proterozoic Vindhyan Basin central India, comprising ~5 km thick, mostly undeformed unmetamorphosed sediments, is one such archive which exposed in two sub-basins, Son Valley sub-basin east (SVV) Chambal west (CVV). Nd compositions siliciclas...
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