"Ward's Phenomena"

Examples of the most basic rocks and rock-forming minerals.

A Great Way to Begin Your Petrographic Studies

Useful for weathering and erosion, soil formation, porosity and permeability, or other general earth science labs.

Ideal for Beginning Earth Science Students

Identify and classify unknown rock samples.

Specimens To Supplement the Most Widely-Used College Lab Manual for Physical Geology

Study the Formation of Different Igneous Rocks

Indicative of Various Sedimentary Formation Processes

Altered Igneous and Sedimentary Rocks are Clearly Represented

Coarse-grained plagioclase and pyroxene with some olivine.

Dark gray, with hornblende as the dominant mafic mineral.

Pink and gray bands, with biotite; shows good foliation.

Fine to medium-grained with biotite.

Medium-grained with biotite.

Coarse-grained, with microcline, biotite and horblende phenocrysts.

Earthy, porous calcareous tufa.