"The Mystery of Lyle and Louise"

Light gray, fine small clasts.

Dense and massive.

Hematite-cemented quartz; orthoquartzite.

Chlorite-bearing.

Pale pink felsite, with small sanidine phenocrysts.

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.

Dark gray with abundant gas pocket vesicles.

Gray and poorly sorted, with a gritty texture.