SECTIONS IX TIIK JAMKS RIVI']!? VALLEY. 147 



II. Section right haul- of James River, just ahorr inoutJt of Sunl-en Marsh 

 Creel', two mites helow Ctaronont Wliarf. 



Feet 

 Pleistocene Loainy yellow sand with a few thin clay len- 

 ses 17 



Bands of small pebbles 41/3 



Cross-bedded sand with many small pebbles 

 and a few rounded cobbles at base 14 



Miocene. St. Mary's P.uff sand 8 



Fossiliferous layer containing many species, 

 of which Pecten is by far the most 

 abundant; shells embedded in matrix of 



yellow sand 11 



Blue clayey sand, slightly fossiliferous.... 14 

 Blue clayey sand, highly fossiliferous with 



Turritella predominating 10 



Blue clayey sand without fossils 5 



Blue clayey sand with fossils distributed 

 through it, Tiirrifelhi abundant, exposed to 

 water 8 



Total 91-1/; 



One-half to three-quarters of a miles above Dillard's Wharf the upper shell 

 bed descril)ed in tlie previous sections increases in thickness to about 80 feet. 

 The lower shell bed with blue sand matrix remains about the same. ISTear 

 the wharf a great deal of indurated shell material consisting largely of pec- 

 tens is strewn on the beach but was not seen in place. In this material a 

 fossil echinoid was found. 



III. Section at Dillard's Wharf on the James Fiver. 



Feet 

 Pleistocene. Talbot \ellowish-red loam 15 



Miocene. St. ^Mary's Shell marl 12 



Light-colored sands with thin strata of shells 



consisting of Peclev. Venns, etc 4 



Sandy clay, exposed 5 



Total 36 



IV. Section rigtit J>anl of James River, eight and one-half miles hetoiv 

 Ctaremont Wliarf at Schmidfs Bluff. 



Feet 

 Pleistocene Compact red. yellowish-brown, and mottled 



(red and yellow) sand, looser at base.... 17 

 White sand with white to mottled (white and 

 pink ) clay 8 



