igneous rock

igneous rock   Dan blackrock

Igneous rock is composed of crystals or is glassy It is formed from magma—molten or partially molten rock in the interior of Earth where temperatures are very

Igneous rocks Igneous rocks are formed by solidification of cooled magma either below or above the surface of the earth  rocks have higher Sr concentrations than Rock 1976 ) Sr = 1840 ppm ) , whereas igneous rocks of Variscan age between 360 and 260

ไพจิตร อักษรณรงค์ Uses of igneous rocks : · Granite is very strong and long-lasting, used for making kitchen countertops, building materials · Gabbro is another Granite Rock Type: Igneous An intrusive igneous rock that is felsic in composition and phaneritic in texture The minerals that are most