Geoscience Reference
In-Depth Information
180°
120°
gentle
70°
open
close
30°
tight
0°
isoclinal
0°
30°
70°
120°
180°
Figure A8.3
Schematic illustration of different types of fold tightness,
defi ned according to the angle between the two fold limbs (the interlimb
angle). (Based on Fleuty 1964.)
