"Freeze-Dried Specimens"

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.

Introduce your students to rocks formed from deposition of sediment.

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.

Dense and massive.

Hematite-cemented quartz; orthoquartzite.

Represents a Wide Range of Depositional Environments and Rock Textures

Sale

Gray and poorly sorted, with a gritty texture.