A collection of the rocks that contribute to the basic rock-building mechanism through the dynamics of volcanism, sedimentation, and metamorphism.
 
Specimens are about 1 1/2" in size and are number coded and keyed to a list.
 
Contents: 
Igneous Rocks Collection (item# GEO630)
Sedimentary Rocks Collection (item# GEO652)
Metamorphic Rocks Collection (item# GEO670)