The occurrence of striations has been previously been remarked as a record of the material that slips, and occurs at the crack tip Hertzberg, 1995, Pippian et al, 2010.
Anteriormente, la ocurrencia de estrías se había observado como un registro de material que se desliza y se produce en la punta de grieta Hertzberg, 1995, Pippian et al., 2010.