Tinton Falls, NJ ID help

[Vaughn O]

A few weeks ago, I decided to try collecting at the Tinton Falls Cretaceous (creek deposits) fossil site described on the old FossilSites.com list for New Jersey. I did not stay long and only found one thing that looked interesting. I am wondering if it could be a fossil. Thanks so much for any and all help! 

 

(Smooth Face)

 

(Reverse) 

 

(View of Side and Reverse)

[val horn]

It looks like ironstone  to me.  Not a fossil but common in fossil bearing areas as the iron ppt bacteria seem to contribute  to an oxygen poor environment that increased the chance for fossilization.  

[Vaughn O]

13 hours ago, val horn said:

It looks like ironstone  to me.  Not a fossil but common in fossil bearing areas as the iron ppt bacteria seem to contribute  to an oxygen poor environment that increased the chance for fossilization.  

I see. Thank you so much for this information!