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. 2015 Jul 10;10(7):e0131127. doi: 10.1371/journal.pone.0131127

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© 2015 Soriano et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 19 — (1) GRII B5a P7, burnt dolerite with a distal step fracture and spin-off fracture at the base. (2) PGS B6a 155, burnt hornfels fragment with a step fracture and small spin-off. (3) GS B5c M14, hornfels segment with a transverse fracture 3.6 mm long. (4) PGS C6b 73, fine dolerite segment with transverse fracture at the base. (5) GRII B5b B2, hornfels with a proximal transverse fracture and edge damage. (6) GS under rock B5b 27 hornfels with transverse fractures at tip and base. In all cases the fractures are superimposed on the backing.