r s c.KDiJicirAi, sruvKY 



(;e(iL0(;y OF the comstuck i.ode 



FIG 29, LATEF-< DIABASE (BLACK DIKE) 



FIG 30: EARLIER HORNBLENDE-ANDESITE 



FiG.3] : DECOMPOSED AUGITE-ANDESITE 



FIG 3,?: LATER HORNBLENDE-ANDESITE 



