Geoscience Reference
In-Depth Information
dip of axial plane / degrees
steeply
inclined
moderately
inclined
gently
inclined
upright
recumbent
90°
0°
80°
60°
30°
10°
0°
sub-
horizontal
10°
gently
plunging
30°
moderately
plunging
reclined folds
60°
steeply
plunging
80°
90°
Figure A8.4
Classifi cation of fold types using a combination of the dip of the axial plane and the plunge of
hinge line.
