Igneous Rocks – Dynamic Planet

Igneous Rocks in Britain igneous rock 1 Fig : Intrusive igneous rocks form at some depth within the crust due to slow cooling of magma, resulting in formation of large crystals Individual asrock b760m Rock Forming Minerals Intermediate Temperature Mineral Suite Hornblende • Double Chain Structure • Iron, magnesium, calcium, silicon,

ufarocket The minerals in a phaneritic igneous rock are sufficiently large to see each individual crystal with the naked eye Examples of phaneritic igneous rocks are