"Freeze-Dried Specimens"

Represents a Wide Range of Depositional Environments and Rock Textures

Gray and poorly sorted, with a gritty texture.

Indicative of Various Sedimentary Formation Processes

Earthy, porous calcareous tufa.

Buff-colored, coarse, detrital limestone, with cemented shell fragments.

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

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

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

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

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

Well-cemented, medium-grained orthoquartzite.

4 pounds of limestone chips supplied in a box.

Buff, coarse, crystalline “Austin Marble” with shell casts and molds.

Cemented glacial gravel.

Small, rounded pebbles and tightly cemented granules.

Green shale which contains approximately 85% Illite. Impurities may include other clay minerals, such as micas and feldspars.

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