"Freeze-Dried Specimens"

Compact Plant Fiber Masses.

Black, fissile; commonly with carbonized fossil plant impressions.

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.

Introduce your students to rocks formed from deposition of sediment.

Specially selected topsoil, 1 lb.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Includes: six each of conglomerate, sandstone and shale. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Well-cemented, medium-grained orthoquartzite.

Light gray, fine small clasts.