Archive for the ‘geography’ Category

Igneous Rocks

Tuesday, May 13th, 2008

Introduction: When Igneous...ignite! process takes place then igneous rocks are formed . Fiercely hot molten rock from the earth in Rock types are organized, or classified, according to how the rock formed. It's a pretty simple system and there are only three types: igneous, sedimentary and metamorphic. Their names give clues ...