"Ward's Phenomena"

Gray with line crinoid columnal fragments.

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

Lustrous, black 'hard coal'.

Cemented glacial gravel.

Small, rounded pebbles and tightly cemented granules.

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.

Sale

Gray to white metamorphosed carbonate rock.

Red, medium, to coarse-grained iron oxide cement; shows hematite bands.

Compact Plant Fiber Masses.

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.

Gray andesite with phenocrysts of felspar and/or hornblende.

Dark gray, with hornblende as the dominant mafic mineral.

Fine to medium-grained with biotite.

Gray to buff, with numerous ooliths and fossil fragments.

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