"The Mystery of Lyle and Louise"

Silvery, paragranite and muscovite-rich with medium garnet crystals.

Chlorite-mica with perfect slaty cleavage.

Typical green-gray, fissile, clay-rich.

White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.

Gray to white, coarse crystalline, carbonate rock.

Dark gray with abundant gas pocket vesicles.

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