depicts how the three major rock types (igneous, sedimentary, and metamorphic) convert from one to another.

Cooling and hardening of molten magma. Rate of cooling determines what rock forms.

Compaction and cementing together of sediments and other minerals or organic materials. Sediments are formed from weathering and erosion of preexisting rocks.

Minerals in an existing rock are changed by heat or pressure below the surface.

The formation of mineral grains from cooling magma.

Weathering wears rocks at the Earth’s surface down into smaller pieces

Rock is exposed to extreme heat and pressure within the Earth and does not melt.  Metamorphism may change mineral composition and texture.

naturally formed, non-living Earth material. Rocks are made of collections of mineral grains that are held together in a firm, solid mass.  Rocks are made of minerals  Identified primarily by the minerals they contain and by their texture o Texture

description of the size, shape, and arrangement of mineral grains

To form sedimentary rock, sediment must _____ ____ _____ together.

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