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In this study on speaking about minerals, we can use the elements from them in high-tech technology in everyday life. The pegmatites are surrounded by gneiss with muscovite, garnets, staurolite; mica schists with garnets, staurolite, kyanite; and amphibolites. In the Con?u area pegmatites appear in tabular veins form, or irregular lenses, arranged by accordance with mica schists of the host metamorphic rocks. The pegmatites veins have a thickness that varies between 2 and 10 meters in the central area and developm...

The Dolj District is located on Oltenia Plain in the southern part of Getic Plateau. The studied territory which is the northern part of Dolj District is located on the central zone of Oltenia on the high plateau Leu-Rotunda. This area is characterized by varied natural conditions and so is the formation phenomenon of soil. As a result of soil formation factors, within the northern part of Dolj District there were formed soils that have as specific horizon the clayey one, the most encountered being preluvisoils. T...