150 PHYSIOGRAPHY AND GEOLOGY OF THE COASTAL PLAIX PROVINCE. 



III. Section in ravine, about two and one-half miles south of Zuni near old 



saw mill. 



Feet 

 Pleistocene Yellow and reddish mottled sandy clay 4-6 



Miocene. St. jNIary's Weathered yellow sandy marl with few or no 



shells 2-3 



Compact fine-grained sandy and argillaceous 

 marl containing few fossils 4-6 



Total 15 



IV. Section right haul of Blacl-water River, sir miles hij road south of Zuni. 



Feet 

 Pleistocene Yellowish sand 6 



Miocene. St. Mary's Yellowish (weathered) sandy marl, fossilifcr- 



ous '. -I 



Blue sandy marl, slightly glauconitic, higlily 

 fossiliferous 5 



Total 15 



V. Section left haul- of Blacl-water River, about one and one-half miles 



below Blackwaier Bridge. 



Feet 



Pleistocene Yellow to white sand 6 



Drab sandy clay 6 



Miocene. St. Mary's , Bluish marl containing Mulinia congesta .... 4 



Total 16 



Between the above locality and Bui'dette there are a number of l)anks which 

 show from 2 to 3 feet of marl similar to tliat in the foreooing section. 



VI. Section left haul- of Blackwaler River, about seven miles (bg irater) 



sou til of Zuni. 



Feet 

 Pleistocene "iVllowisii sand 6 



Miocene. St. Mary's Bluish sandy fossiliferous marl, slightly glau- 



conitic (?) and partially indurated, contain- 

 ing Cadulus thallus, Dcntaliuni atlcnuaiuni, 

 Polyvices heros, TiirrifcUa varinbilis. Area 

 centenaria, Astarte undiiUita, Chania coiigre- 

 f/ata, Crassatellites undulutus, Glycymeris 

 subovata. Modiolus ducateUi. Panopea 

 reflexa, Pecten clintonius, P. jeffersovius, 

 Phacoides anodonta, Vcnei icardia gnniiilnta 8 



Total 14 



