"WardsSci000478"

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

An introductory rock set contains six samples from each of the three major rock types.

Massive, chlorite-rich.

Survey set improves student's recognition of all three major rock groups.

Pink/gray coarse carbonate rock.

Foliated biotite, coarse, silvery gray with quartz-feldspar bands.

Represents a Wide Range of Depositional Environments and Rock Textures

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

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.