"Metamorphic+Rocks"

Learn about the process of rock formation.

Small, rounded pebbles and tightly cemented granules.

Reinforce understanding of the many powerful forces at work in creating and re-creating rocks with the 75 review cards featured in this fun game.

Gray with line crinoid columnal fragments.

[NA_SciEd] Ward's® Sandstone (Red)

Without Glued-On Grains That Wear Off, Chart Stands up to Repeated use.

Define and compare ways organisms have been preserved.

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

Fine, common limestone; massive, and will fizzle with HCl.

Gray-to-brown basaltic, with over 50% vesicles.

Pale pink felsite, with small sanidine phenocrysts.

Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.

1 pound of black sand packaged in a heat-sealed bag.

Gray, fine to medium-grained “Berea grit”.

Red-brown to gray, coarse-grained, containing feldspar and mica.

Everything You Need to Organize Your Specimens