Rock
In geology, rock is a naturally occurring solid aggregate of minerals and/or mineraloids. The Earth’s outer solid layer, the lithosphere, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, and petrology is an essential component of geology. Rocks are classified [...]
Posted on March 9, 2009 at 15:00 by admin · Permalink
· Comments Closed
In: industrial rocks and minerals · Tagged with: Igneous rocks, metamorphic rock, rock, sedimentary rock
In: industrial rocks and minerals · Tagged with: Igneous rocks, metamorphic rock, rock, sedimentary rock