gabbro granite information

Igneous Rocks Facts - Softschools Interesting Igneous Rocks Facts: When magma rises to the surface of the Earth and hardens, it forms extrusive igneous rock. Extrusive igneous rock tends to be glassy ... Granite - Wikipedia Granite ( / ˈ ɡ r æ n ɪ t /) is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Granites can be predominantly white ... Glossary of Terms: G - Physical Geography Gabbro An intrusive igneous rock that develops from mafic magma and whose mineral crystals are coarse. Agate, Gem Stone, Rock Picking Lake Superior Picking and identifying Lake Superior agates, mineral gem stones, and rocks along Lake Superior's beaches in Minnesota, Ontario, Michigan Upper Peninsula, and Wisconsin.    Read More