What are igneous rocks? Volcanic stone
Igneous rocks: Obsidian tools What does "igneous" mean? Igneous means "fiery", and igneous rocks are rocks that were made by heating them up in a fire. Usually that fire is [...]
Igneous rocks: Obsidian tools What does "igneous" mean? Igneous means "fiery", and igneous rocks are rocks that were made by heating them up in a fire. Usually that fire is [...]