There are two alternative ways that rocks are sometimes categorized; the first relies around the procedures by which they kind, by which rocks are categorised as either sedimentary, igneous, and metamorphic. Rocks will also be normally categorized by grain or crystal dimension. Encyclopaedia Britannica's editors oversee subject matter areas during https://personalised-sweets67889.verybigblog.com/35361403/about-sticks-of-rock