1874 B. S. Lyman 36 The exposure..belongs therefore probably to the Toshibets Karafto System of rock folding.
1965 G. J. Williams iii. 20/1 It is very clear that there is a general parallelism between rock-folding and the trend of the lodes.
2005 T. Falola & A. Genova i. 4 Oil and gas become trapped by rock folding or faulting.