Priyanka at its best

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#diplomat #internationalrelations #lawyer #harveyspecter #youngambassadors #politics

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Mineralogy Dictionary: FELSIC 📚 In the realm of mineralogy, the classification of rocks is fundamental for comprehending the Earth's composition and geological processes. One significant classification scheme divides rocks into three main categories based on their mineral composition: felsic, intermediate, and mafic. In this essay, we delve into the characteristics and significance of felsic minerals, focusing on their composition, properties, and geological implications. Felsic minerals, derived from the words "feldspar" and "silica," encompass a group of minerals rich in silica (SiO2) and aluminium (Al). These minerals typically dominate the composition of felsic rocks, such as granite and rhyolite. Key constituents of felsic minerals include quartz, orthoclase, and plagioclase feldspars, along with lesser amounts of muscovite and biotite micas. One defining characteristic of felsic minerals is their light colouration, ranging from pink and white to light grey. This light colouration is attributed to their high silica content, which imparts a lighter appearance compared to minerals found in mafic rocks, such as olivine and pyroxene, which are darker in colour. The crystalline structure of felsic minerals contributes to their distinct properties. Felsic minerals typically form larger crystals due to slower cooling rates during the solidification of magma. This slow cooling allows for the growth of well-defined crystal structures, resulting in coarse-grained textures observed in felsic rocks like granite. Felsic minerals also exhibit lower densities compared to mafic minerals, owing to their composition of lighter elements such as silica and aluminium. This difference in density influences the behaviour of rocks in geological processes such as subduction zones and volcanic eruptions. Felsic rocks, being less dense, tend to rise towards the Earth's surface during volcanic activity, leading to the formation of explosive eruptions due to the rapid expansion of gases trapped within the magma. Furthermore, the presence of felsic minerals in the Earth's crust plays a crucial role in continental crust formation and differentiation. Continental crust, primarily composed of felsic rocks, is less dense and more buoyant than oceanic crust, which is predominantly mafic in composition. This compositional contrast between continental and oceanic crusts contributes to plate tectonics and the formation of diverse geological features such as mountain ranges, volcanoes, and granitic intrusions. Felsic minerals are integral components of the Earth's crust, possessing unique characteristics that distinguish them from other mineral groups. Their high silica content, light colouration, coarse-grained textures, and lower densities contribute to their significance in geological processes and the formation of various landforms. Understanding the properties and implications of felsic minerals is essential for elucidating Earth's geological history and the dynamic processes shaping its surface. #felsic #minerals #geology #science #LearnOnTikTok

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Easily the number 1 question I get about eating more plants is, "Where do you get your protein?" #nutrition #healthtips #vegantips #plantbased #wfpb

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❄️🥶#pourtoi #Viral #fyp #IceSkating #icerink #figureskating #eishockey #eislaufen #eisbahn #patinoire

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The tunnel Boring Machine. 🚜 🤖 #interesting #interestingfacts #funfacts #construction #building #tunnel #tunnels #machines #giantmachines

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