BULL. GEOL. SOC. AM. 



VOL. 22, 1910, PL. 17 





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Figure 1. — Typicai. Exposures of Catix(5a Limestone 

 On long tangent between Angico and Carnahyba, on the Sao Francisco Railway 



Figure 2. — Catinga Limestone resting on decomposed Gneiss 



'his locality is at Carnahyba station (kilometer 480), Sao Francisco Railway. Ont, man stands 

 gneiss and the other at top of the limestone, which here is about 10 meters thick. 



at top of 



CATINGA LIMESTONE EXPOSURES 



