"The Mystery of Lyle and Louise"

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

Pink and gray bands, with biotite; shows good foliation.

Massive, chlorite-rich.

Fightly cemented, medium-to-coarse quartz grains.

Slaty cleavage; contains hematite.

Chlorite-bearing.

Gray, fine-grained, massive contact rock.

Lustrous, black 'hard coal'.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

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Chlorite-mica with perfect slaty cleavage.