chevron
fold in describing folds
chevron fold in mechanisms
- shear
Folded
vein of granite from gneisses in the outer Hebrides
Continuously
curving fold developed in Cretaceous carbonates
A
tight fold developed in metamorphosed quartzite
Disharmonic
folds
Harmonic
folds
Cylindrical
fold
Curvilinear
fold
Inclined
fold
Parasitic
folds
Recumbent
folds
Upright
folds
Measuring
amplitude
Tangential
longitudinal strain
"Mullion"
structures
"Mullion"
structures
Multilayer
behaviour
Multilayer
behaviour
Multilayer
behaviour
Buckled
folds
Fault-bend
fold
Example
of a shear fold
Cleavage
vergence
Fold
with rounded hinge area but relatively straight limb, in Carboniferous limestones,
Pembrokeshire
Asymmetric
recumbent folds developed in metabasic rocks from the Italian Alps
Highly
flattened folds, with tight interlimb angles and near-ideal similar shapes
Similar
folds
Polyphase
fold patterns
A
"type 1" fold interference pattern, characterised by domes and basins
A
"type 2" fold interference pattern which generates rather strange "winged"
or "butterfly" outcrop patterns
A
"type 3" fold interference pattern which generates tongue-shapes
Buckled
folds
Folds
in an area of active mountain building - the front ranges of the Himalayas
in Pakistan
Folds
from the island of Syros
A
single isoclinal fold (where the limbs are parallel) within a train of otherwise
tight folds
An
open fold with a broad, rounded hinge developed in layers of sandstone and
thin shales
A
close fold developed in sandstone and shale layers at Hartland Quay