International Field Workshop on 'The Triassic of eastern France'

Stop 2.2 - Relanges (quarry along D164 road): Middle Buntsandstein (‘Conglomérat
principal’ and ‘Zone limite violette’ Fms)
At this outcrop (see p. 7 for location), the ‘Conglomerat principal' can be seen resting directly on the
practically unweathered Varican basement (migmatites). It is overlain by the ‘Zone limite violette’ (ZLV)
Formation (Fig. I.1, 15, 16, 17) which is characterized by the first development of Triassic palaeosols, here
with development of dolomite nodules and chalcedonic crust (carnelian).
Figure 16: Sedimentological
log of the ZLV (Durand and
Meyer 1982)
Figure 15: Outcrop of Redanges
Figure 17: Mean lengh of the ten largest clast on outcrops of the’ Conglomérat principal’
in the souther Vosges (Durand, 1978)
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