"Human Biology Lab Activities&amp"

Gray and poorly sorted, with a gritty texture.

Useful for weathering and erosion, soil formation, porosity and permeability, or other general earth science labs.

Indicative of Various Sedimentary Formation Processes

Introduce your students to rocks formed from deposition of sediment.

Red clastic rock composed of sand sized particles and hematite.

Limestone is a gray calcium carbonate that will fizz with dilute HCl.

Gray to tan clastic rock made of silt sized particles.

Breccia is a sedimentary rock made up of angular rock fragments.

Bituminous rich black shale for hands-on investigations.

Carbonate rock formed by the precipitation from water.

Scoria is a dark-colored rock formed from lava with a high gas content.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.