What causes rocks to change over time? This hands-on kit lets students use igneous, sedimentary and metamorphic specimens to examine processes such as weathering, lithification, metamorphism and magmatic assimilation.

Kit includes:
• Samples and study charts for 30 student groups
• Large specimens for easy examination
• Chart with mounted specimens
• Detailed study guide with physical properties and descriptions of more than 50 rocks, minerals, and ores.