A list of rock types recognized by petrologists. There is no agreed number of
Photographs and information for a large collection of igneous, metamorphic and
Just as any person can be put into one of two main categories of human being,
all rocks can be put into one of three fundamentally different
Jan 12, 2015
List of all Igneous, Sedimentary, and Metamorphic Rock Types with Pictures and
Links to Specific Articles about each
In this educational animated movie about Science learn about igneous, metamorphic, sedimentary, lava, magma, erosion, granite, obsidian, basalt, limestone, ...