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 ...

Rocks are forced to change shape at or near plate boundaries. Rocks can experience squeezing, stretching, or pushing in different directions in response to stress. This response depends on the type of ...

Introduction Have you ever visited a canyon or cave and wondered how those formations came to be? Or observed smooth stones by a river or beach? These results are due to a process called weathering.