Rocks: Mineral Mixtures

Geology the study of the Earth, its features, and the processes that shape it

groups of minerals packed tightly together Rocks groups of minerals packed tightly together

rocks formed from cooling Igneous Rocks rocks formed from cooling magma or lava Pumice and Obsidian

rocks that have had their minerals transformed by extreme Metamorphic Rocks rocks that have had their minerals transformed by extreme heat and/or pressure Gneiss and Marble

Sedimentary Rocks rocks formed from bits of weathered rock or remains of tiny organisms being pressed together into a solid mass Sandstone and Limestone

molten rock on the surface of Earth Lava molten rock on the surface of Earth

molten rock beneath Earth’s surface Magma molten rock beneath Earth’s surface

particles of rock broken Sediments particles of rock broken down by weathering

the process of sediments being compacted together to form Cementation the process of sediments being compacted together to form a solid rock Water and Minerals Act Like “Glue”

Weathering the physical or chemical breakdown of rock on or near Earth’s surface Frost Wedging (mechanical weathering) Acid Rain (chemical weathering)

the chemical make-up of a rock Composition the chemical make-up of a rock