"WardsSci000478"

Glassy; most specimens float in water.

Massive, chlorite-rich.

Small, rounded pebbles and tightly cemented granules.

Pink/gray coarse carbonate rock.

Slaty cleavage; contains hematite.

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

Represents a Wide Range of Depositional Environments and Rock Textures

Grayish black trap rock.

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

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