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Compact Plant Fiber Masses.

Light gray, earthy.

Cemented glacial gravel.

Gray and poorly sorted, with a gritty texture.

Represents a Wide Range of Depositional Environments and Rock Textures

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.

4 pounds of limestone chips supplied in a box.

Green shale which contains approximately 85% Illite. Impurities may include other clay minerals, such as micas and feldspars.

Soil