"Freeze-Dried Specimens"

Indicative of Various Sedimentary Formation Processes

Earthy, porous calcareous tufa.

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

4 pounds of limestone chips supplied in a box.

White, mature, friable.

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”.

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

Cemented glacial gravel.