There are certainly fossils present in some of the samples. Our area is definitely not lacking in the fossil department. The piece pictured above didn't have that tell tale Onondaga smell, but a fair amount of what I find does. I don't know if all Onondaga has that odor or not. There were some freeze cracks in the above piece, but it was big enough to begin with that it left me with a few small workable pieces.
I've also come across some stuff similar to what is pictured but with white mixed in and lighter grays overall. I think maybe it's bois blanc formation chert?
On rarer occasions I find small nodules that have an orange rust colored cortex and vary on internal color from tan, to white, to dark brown. If I'm lucky I can manage a small bird point from the largest of them. Too bad, the stuff is like butter. Twice I've seen almost identical chert but with a bluish cortex instead of the orange. It really is a complete mystery what I'll find each time I go out. I might head out here for a bit after ham dinner. Happy Easter.