1. The study of geologic features once at the surface of the earth but now buried beneath rocks
   - paleogeology [N. Amer]

Type of: geology

• petrography
• petrol
• petrol bomb
• petrol engine
• petrol gage
• petrol gauge
• petrol line
• petrol pump
• petrol station
• petrol tank
• petrolatum
• petrolatum gauze
• petroleum
• petroleum future
• petroleum geologist
• petroleum geology
• petroleum jelly
• petroleum refinery
• petrological
• petrologist
• petrology
• Petromyzon
• Petromyzon marinus
• Petromyzoniformes
• Petromyzontidae