PEATESE: 
Fig. 1. Famatina granite (aplitic type) of primary habit. The pale individuals are 
quartz, the darker perthitic potash feldspar. Nic. +. Magn. 20 X, Sierra de Sano- 
gasta. On the road Puerto Alegre—Sanogasta. 
Fig. 2. Famatina granite, crushed. Nic. +. Magn. 20 X. Sierra de Sanogasta. 
On the road Puerto Alegre-—-Sanogasta. 
