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

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

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

Gray and poorly sorted, with a gritty texture.

Compact Plant Fiber Masses.

Indicative of Various Sedimentary Formation Processes

Introduce your students to rocks formed from deposition of sediment.

Cemented glacial gravel.

Includes: six each of conglomerate, sandstone and shale. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

4 pounds of limestone chips supplied in a box.