Igneous rocks close igneous rockIgneous rocks ... These crystals will grow and interlock to form a hard crystalline rock. Basalt is usually formed when lava solidifies on the earth’s surface ...

Chinese scientists working on the creation of a Moon base have sent fragments of brick into space to determine how they deal ...

producing extrusive or volcanic igneous rocks like basalt. As magma cools, the minerals within it begin to crystallize and ...

For geologists, a continent is a large area of thick continental crust composed of granite or similar igneous rocks ... Mexico today. The basalt pebbles, a typical rock associated with underwater ...