Page 110 - Microtectonics

98 4 · Foliations, Lineations and Lattice Preferred Orientation

Fig. 4.34. Schematic presentation of a common sequence of foliation development in slate and schist belts. Enlargements of typical micro-
structures are shown at right. Further explanation in text
Fig. 4.35.
a Crenulation cleavage S (verti-
3
cal) with microlithons in which
the folded cleavage (subhori-
zontal) is an older crenulation
cleavage S . S and S corre-
2
2
3
spond respectively to stages 4
and 3 in the scheme in Fig. 4.18.
Eastern Alps, Austria. Width of
view 1.5 mm. PPL. b Detail of a
showing folded S in micro-
1
lithons of S . Width of view
2
0.3 mm. PPL. (Photographs
courtesy S. Wallis)