TINTON BEDS. 147 



cut at Beers Hills, on the Keyport and Holmdel turnpike (Local- 

 ity 129). The section at this locality, as made out by the writer, 

 is as follows, beginning at the base: 



Red Bank Sand. 



129^ Dark sand, often black in color, and sometimes 

 much iron-stained, scarcely consolidated. Traces ol 

 fossils are present, but they are not abundant and are 

 too poorly preserved to be readily identified, ±20 feet. 



129^. Yellow or red sand, sometimes becoming black 

 above, 21^ feet. 



129^. Brown, iron-stained, more or less indurated 

 sand, ; , 2-3 feet. 



129*. Extremely variable yellow or gray sand, ...... 3 feet. 



Tinton Beds. 



129^. Dark, brown or yellowish sand, more or less 

 glauconitic, sometimes almost pure green-sand; some- 

 times indurated. Fossils abundant, . . . ., ,..,..,..., 3 feet. 



129*- Ferruginous sand of variable character, the bed 

 not strictly horizontal in position, , =t J4 foot. 



129^. Indurated, sandy greensand marl, with many 

 fossils, one species of Cucullaeai being the most con- 

 spicuous form, . ., , 1 I. . . . ... ... . . . 3 feet. 



129®. Indurated, sandy, greensand marl, similar to 

 the subjacent bed but with the fossils oi that bed rare 

 or absent. The bed is crowded with peculiar, more or 

 less cylindrical, vertical bodies, probably burrows of 

 some sort or vegetable in origin, having a maximum: 

 length of about i foot, with a diameter varying from 

 J4 to ^ O'f an inch, <. . . .1 ^ ... .... 4 feet. 



129^. Rock similar to that below, but with an abun- 

 dance of fossils, the shells of which in the unweathered 

 portion of the bed have been replaced by a blue or green- 

 ish mineral, vivianite, „.. 2 feet. 



