Figure F5. Late stage fractures through jasperoid portion of Sample 193-1189A-7R-1 (Piece 17, 99–102 cm; CSIRO 142697; see Fig. F2, p. 11) lined by coarse-grained quartz with local euhedral terminations. A. Ordinary light. B. Crossed polarizers. Most blue-gray areas in B are epoxy fill in the drusy-like fracture. Width of field = 1.3 mm.

Figure F5. Late stage fractures through jasperoid portion of Sample 193-1189A-7R-1 (Piece 17, 99–102 cm; CSIRO 142697; see Fig. F2) lined by coarse-grained quartz with local euhedral terminations. A. Ordinary light. B. Crossed polarizers. Most blue-gray areas in B are epoxy fill in the drusy-like fracture. Width of field = 1.3 mm.