Get acquainted with one of the most interesting products of geological processes with this introductory collection of real specimens of sedimentary rock. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation; examples include sandstone, limestone, and coal. The Sedimentary Rock Bag is an economy collection of 6 specimens representative of the sedimentary rock family.  Each generous specimen is 1.25" to 1.5" and is contained in a zip lock bag with a label.

Features:

• Collection of 6 real specimens of sedimentary rock
• Each rock is formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation
• Each specimen is labeled and measures 1.25" to 1.5"
• Includes a small bag for carrying your rocks
• Bag contains 6 rocks representative of the sedimentary classification - each bag's contents may differ