A professional who prepares, classifies, and sorts rock and fossil specimens. Responsibilities include:

• Records receipt of fossil and rock samples from outcroppings, quarries, oil or gas wells, boreholes, or other sources.
• Cleans, washes, and prepares samples, using probes, brushes, or cleaning solutions to remove extraneous matter.
• Separates rock and fossil specimens and classifies them into general categories of fossilization.
• Compiles background data of rock or fossil.
• Sacks and labels specimens.
• Mounts specimen for study or experimentation.