The scratch lines, or striations, have been observed in fault rock
faces for decades.
Petrographic work on the fault rock
samples suggests a dominance of pyrite mineralization within a generally cryptocrystalline matrix carrying identifiable fine crystals of pyrite, quartz, opaque minerals, and amorphous silica (Figure 4(a)).
Gu, "Fold catastrophe model of mining fault rock
burst," Chinese Journal of Rock Mechanics and Engineering, vol.
A geometric model of fault zone and fault rock
The generation of fault rock
is intimately linked to the sliding of different lithologies past one another (Yielding et al., 1997).
Several studies have shown that the fault rock
at the principal displacement zone of the central and northern sector of the GL segment is mainly composed by a more than 10 m thick clay rich "fault gouge" (Rutter et al., 1986; Rodriguez-Escudero et al.
They are not easy to identify, requiring evidence that the fault rock
has passed through a melt phase.
classification: An aid to structural interpretation in mine and exploration geology.
Also common as clasts are quartz sandstone, red and black siltstone, chert, and cataclastic rocks (i.e., fault rock
of Force and Barr 2006).
The Parc Guell thrust crops out at the western entrance of the Guell Park where a fault rock
zone with breccias and gouges up to 15 m thick is visible.
summarizing fault rock
terminology was published in 1984.
The following two types of fault seals have been recognized: juxtaposition seals and fault rock