THE geochemical distribution of elements in sedimentary rocks is genetically complex because they may be concentrated in the detrital fraction or resistates; the clay fraction; the chemically ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...