Revise the characteristics of igneous, sedimentary and metamorphic rocks and how they are formed over a long period of time. BBC Homepage. ... Rock types. Part of Geography The restless earth.

Get to know the types of landscaping rocks to use around your home, including how each one can contribute to and enhance the property. advertisement. Bob Vila.

Object Details Creator National Museum of Natural History Views 20,823 Video Title What are the three types of rocks? featuring Geologist Ben Andrews ...