314214.fig.003a
(a)
314214.fig.003b
(b)
314214.fig.003c
(c)
314214.fig.003d
(d)
Figure 3: Photomicrograph of quartz vein in reflected cross polarized light (in air) showing euhedral isometric polygonal hematite (H) and magnetite (M) (a), isometric euhedral magnetite, displaying martitization (b). Hematite and chlorite (CH) across quartz (Q) crystals with (c) sericite and fluid inclusions (d) as observed under transmitted cross polarised light.