Metamorphic Rocks
The rocks that make up our Earth are constantly moving and changing. The three types of rocks are igneous, sedimentary, and metamorphic. A metamorphic rock is formed when a sedimentary or igneous rock changes form because the temperature or pressure changes. This change typically happens over time when the sedimentary or igneous rocks are buried [...]
Filed under: Uncategorized on October 26th, 2008 | 2 Comments »

