Fig. 20 Hanging wall, Stella mine. A fine-grained, dark, graphitic schist with 

 veins of pyrite roughly parallel with the foliation. (9/10 natural size) 



Fig 21 Photomicrograph of hanging wall, Stella mine, showing a section of one 

 of the pyrite veins of figure 20. Crushed quartz, chlorite, sencite, graphite and 

 bleached mica, with pyrite in anastomosing veinlets, commonly bordered with a 

 narrow fringe of sericite. (Magnified 27.5 diameters) 



