"pathway PLASTICS, INC."

Fine to medium-grained with biotite.

Gray to buff, with numerous ooliths and fossil fragments.

Light gray, with flow structure.

Gray with line crinoid columnal fragments.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

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

Light gray, earthy.

Chlorite-mica with perfect slaty cleavage.

Grayish black trap rock.

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

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Red, medium, to coarse-grained iron oxide cement; shows hematite bands.

Dense and massive.

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

Dark gray with abundant gas pocket vesicles.