acid and basic rocks

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الإنجليزية - الإنجليزية
Division of igneous rocks on the basis of their silicate mineral content, these minerals usually being the most abundant in such rocks. Rocks are described as acid, intermediate, basic, and ultrabasic, in order of decreasing silica content, because it was earlier thought that silica is present in rock magmas in the form of silicic acid. In modern usage the terms do not refer to acidity in the chemical sense. In general, the gradation from acid to basic corresponds to an increase in colour (i.e., light to dark)
acid and basic rocks

    الواصلة

    ac·id and Bas·ic rocks

    التركية النطق

    äsıd ınd beysîk räks

    النطق

    /ˈasəd ənd ˈbāsək ˈräks/ /ˈæsəd ənd ˈbeɪsɪk ˈrɑːks/
المفضلات