Rocks: Mineral

Mixtures

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

Geology

groups of minerals packed tightly together

Rocks

A naturally occurring solid mixture of one or more minerals or organic matter.

rocks formed from cooling magma or lava

Igneous Rocks

Pumice and Obsidian

rocks that have had their minerals transformed by extreme

heat and/or pressure

Metamorphic Rocks

Gneiss and Marble

rocks formed from bits of weathered rock or remains of tiny organisms

being pressed together into a solid mass

Sedimentary Rocks

Sandstone and Limestone

molten rock on the surface of Earth

Lava

molten rock beneath Earth’s surface

Magma

particles of rock broken down by weathering

Sediments

the process of sediments being compacted together to form

a solid rock

Cementation

Water and Minerals

Act Like “Glue”

the physical or chemical breakdown of rock on or near Earth’s surface

Weathering

Frost Wedging (mechanical weathering)

Acid Rain (chemical weathering)

the chemical make-up of a rock

Composition