Page 253 - Microtectonics

244 8 · Primary Structures

Fig. 8.7. “Loop bedding” in fine grained lithified lacustrine sediment of Taubaté Basin, SE Brazil. The structure shows similarities with an
isoclinal fold, but is interpreted to have formed by extension, possibly due to earthquake activity in soft sediment. Width of view 7 mm.
PPL. (Sample courtesy Mauro Torres Ribeiro)

Fig. 8.8. Apparent thrust folding and faulting with divergent vergence in lacustrine sedimentary rocks of Taubaté Basin, SE Brazil. The
structure is interpreted as due to earthquake activity. Width of view 4 mm. PPL. (Sample courtesy Mauro Torres Ribeiro)