"Ward's Phenomena"

Gray to brown mudstone with abundant silt.

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

Classic, very coarse-grained igneous texture.

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

Dark gray with abundant gas pocket vesicles.

Earthy, porous calcareous tufa.

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

Pale pink felsite, with small sanidine phenocrysts.

Coarse-grained, with microcline, biotite and horblende phenocrysts.

Pink/gray coarse carbonate rock.