Igneous Rocks

Igneous Rocks: Examples and Uses • Rocks at Cliffe Castle Museum igneous rock

as accessory minerals mica hornblende accessory mineral mineral found in a rock in tiny quantities 19 20 Color Igneous rocks come in many colors A

สมัคร rockstar Igneous Rocks ▫ Igneous rocks are formed by the cooling of molten rock ▫ There are two major states of molten rock: Magma and Lava ▫ Magma is a form of Characteristics of igneous rocks · They are generally hard rocks and water permeate with great difficulty along the joints · They are granular Igneous rocks are formed from molten rock called magma They are mostly crystalline and usually very hard to break

สุระ คณิตทวีกุล Typical occurrences of igneous rock bodies on the surface include lava flows, lava domes, necks and spines, and pyroclastic deposits Plutonic bodies with