Photos of Rocks
Cochise College

Roger Weller, geology instructor ( wellerr@cochise.edu )

Rock Types

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Number of photos: 808 last edited: 3/22/08
Quick Tours: 10 Common Igneous Rocks
12 Common Sedimentary Rocks 8 Common Metamorphic Rocks

Igneous Rocks (338)

Igneous rocks are formed by the cooling and
solidifying of molten rock (magma).

Sedimentary Rocks (260)

Sedimentary rocks are formed by the consolidation
of loose sediments or by chemical precipitation.

Metamorphic Rocks (196)

   Metamorphic rocks are rocks that are altered by
    heat and/or pressure.

Rocks Used in Building (15)

Photos are copyright free for non-commercial educational uses.
copyright 2008-R.Weller Just credit photos to R.Weller/Cochise College.