When rocks (igneous, sedimentary, or metamorphic) are at or near the surface of the earth they are ... Progressively finer sediments are deposited moving away from the shoreline. All fine materials ...
Come on, let’s go and look! So not all rocks are formed like sedimentary rocks. There are two other types of rocks. The Moine Schist, the puzzling old rock found on top of younger rock here ...
These rocks, laid down during the Archaean Eon, are metamorphosed mafic volcanic and sedimentary rocks ... if not all, will likely be removed from the list. But, as the saying goes, only time ...