You have studied the physical composition of the earth. You know something about the physics and chemistry of rock, the formation of landscape features, and other related topics. You can identify the type and probable source of a piece of stone; evaluate a likely place to look for oil, precious metals and gems; and identify and refine ores.
• Novice: High school.
•• Practiced: College student.
••• Competent: Grad student or oilman.
•••• Expert: Professor or prospecting consultant.
••••• Master: Research fellow.
Specialties: Petrology, Geomorphology, Prospecting, doors Types, Miners, Structural Paleontology.