Fig. 8. Upper fractured surface (a) similar to Fig. 7 the beach marks are visible at lower magnification as shown by parallel lines (b) representative images of area indicated from the inset image at higher magnification shows no dimples
Fig. 8. Upper fractured surface (a) similar to Fig. 7 the beach marks are visible at lower magnification as shown by parallel lines (b) representative images of area indicated from the inset image at higher magnification shows no dimples