78 



The ITrrEK Cretaceous Deposits of Maryland 



V. Section southwest side Maulden Mountain (Gillers Hole), Elk Neck. 



Pleistocene. 

 Lafayette. 



Cretaceous. 

 Matawan . 



Feet. 



f Clay loam 8-10 



\Pebble conglomerate and loose pebbles l%-2 



Magothy . . 



Raritan . 



Fine greenish gray sand with finely disseminated 

 glauconite 5% 



More grayish glauconitic sand, quite micaceous 

 with small pockets of glauconite and some iron 

 concretions 15 



Persistent layer of ironstone 



^Gray iron mottled sand less glauconitic, micaceous 10 

 "Very fine ash-colored micaceous sand with thin 

 lenses and small pellets of white and yellow clay 

 and pellets of coarse yellow sand, the whole be- 

 coming argillaceous toward the base 9 



Mottled yellow and white arenaceous clay with 

 small iron carbonate concretions, passing insen- 

 sibly into next member 10 



Finely laminated yellow, gray, salmon and white 

 cross-bedded fine sand with iron concretions and 

 numerous pellets and lenses of clay in places ... 6 



Drab sandy micaceous clay with comminuted lignite 5% 



Layer of loose, small white quartz pebbles y 2 



Mottled yellow and white (some blotches of red) 



clay 11 



Ironstone band 



Fine white sand with some layers of slightly in- 

 durated yellow sand 13 



Buff sand of same character, centrally dark and 



lighter above and below 11 



Similar white sand 4 



Yellow sand with clay pellets, firmly indurated in 



places 4 



Cross-bedded yellow, buff and pink sand 5 



Red and yellow sands with ledges of ironstone and 

 in places with loose gravel of angular quartz 



pebbles 10 



Finely laminated somewhat sandy white plastic clay 5 



Talus covered slope 25 



Loose yellow sand with pink blotches alternating 

 with white clay. The sand indurated in places 

 and containing ironstone 27 



Patapsco Compact drab clay with lignite, to tide 8 



Total 195% 



VI. Section south side of Chesapeake and Delaware Canal 1 mile east of Pivot 



Bridge, between Mileposts 67 and 68. 

 Pleistocene. Feet. 



Talbot Somewhat disturbed brownish-yellow to gray sandy 



loam with bands of pebbles and cobbles at base 8 



Cretaceous. 



(Dark greenish-black micaceous glauconitic sand with 

 small pockets consisting almost entirely of glauconite 

 decidedly green in color. Thin discontinuous band 

 of small subangular quartz pebbles at base 3 

 Irregular contact. 



