Sediments and sedimentary rocks are fundamental to our understanding of the Earth and the array of environments that characterise its surface. Since some 70% of the rocks on the …
Stratigraphy is the branch of geology which studies rock layers (strata) and layering (stratification).Stratigraphy deals primarily with sedimentary rocks but also embraces layered …
Metamorphic rocks are one of the three main types of rock. Originally comprising either igneous or sedimentary rocks, metamorphic rocks are the products of change by heat and …