This document discusses the types of rocks found in Pakistan. It describes three main types of rocks: igneous rocks formed from cooled lava or magma, sedimentary rocks formed from compressed sediments, and metamorphic rocks formed from igneous or sedimentary rocks subjected to heat and pressure. Specific rock types mentioned for each category include granite, basalt, limestone, marble, and quartzite. The document also provides details on the distribution and reserves of various rock types throughout Pakistan, including marble, granite, gypsum, and gemstones.