Quart. Journ. Geol. Soc. Vol, LXXIV, Pl.VIII. 



2. 







.\r 



kj 



r5» 





3. 



F%~ 







*-<AV ,; 





Scale.— i 



'/ioo in. 

 i = I mm. 



B»T.ro*« , Coif o., Derby 



PRE-CAMBRIAN ROCKS of MOZAMBIQUE. 



