نتایج جستجو برای: granitoids

تعداد نتایج: 733  

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1983

Journal: :Frontiers in Scientific Research and Technology (Print) 2021

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...

2006
Ulyana Horodyskyj

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...

Journal: :Lithos 2021

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...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید