clob - colored sweep
- clob
- clock
- clockwork orange
- clod
- clod coal
- cloddy
- clogging by cuttings
- clogging of basin
- cloggy
- clogproof
- clone
- close
- close a contour
- close a contour line
- close coiled test
- close contour line
- close drift pack-ice
- close fault
- close foliation
- close lineaments generality
- close mapping
- close pack-ice
- close packing
- close sand
- close timber
- close well spacing
- close-burning
- close-grained
- close-grained texture
- close-joint cleavage
- close-jointed
- close-joints cleavage
- close-mesh grid
- close-set
- closed
- closed ampoule method
- closed annular outcrop
- closed basin
- closed caldera rim
- closed contour
