This used to be sand and other sediment - that's why it is called sandstone - which is a type of sedimentary rock. Sedimentary rocks are formed when pieces of rock are eroded, or worn away ...
Some rocks are mono-mineralic, meaning they only contain one mineral. Limestone, for example, is a sedimentary rock made exclusively of the mineral calcite (CaCO3). Glacier ice too, is a type of ...
For example, based on the primate fossil record ... The principle of superposition states that in an undeformed sequence of sedimentary rocks, each layer of rock is older than the one above ...
For example, based on the primate fossil record ... The principle of superposition states that in an undeformed sequence of sedimentary rocks, each layer of rock is older than the one above ...
I am a chemical sedimentologist: I study how and why chemical sediments form and lithify, with the goal of better understanding how chemical sedimentary rocks (e.g., carbonates ... is to use ...