There's two various ways that rocks will often be categorised; the very first is based within the processes by which they variety, where rocks are categorized as possibly sedimentary, igneous, and metamorphic. Rocks also are typically categorised by grain or crystal sizing. Encyclopaedia Britannica's editors oversee subject matter locations wherein https://cashcsjxl.ltfblog.com/35086509/everything-about-rock-sticks