84 



II. E. Grec/ory — A Geologic Reconnaissance 



of strata ; elsewhere three or four strata are included in 25 

 feet of sands. On a hill 1 mile east of the village, where 150 

 feet of bedded sands were exposed, no limestone was seen. Car- 



Fig. 40. 



:V ■-• 









f^^ 



;-^l" 



1^ 



Fig. 40. Faulted and cross-bedded strata of fine sand, San Sebastian 

 formation, about 1% miles north of San Sebastian cathedral. 



honaceous material is rare in the sharply cut quebradas north 

 of San Sebastian, but at one point along the highway lignitic 

 peat occurs in abundance and has led to unsuccessful mining. 



