Mystery fossils?

[Huskerhunter]

I am an avid arrowhead hunter and my farm has an old village site on it. I was looking this morning and came across a few crazy rocks that I have never seen here before. The first pic is I think a fossil of some sort, and the others are of a wierd quartz crystal and oxidized metal of some sort. Im not a geologist and I primaraly only keep native artifacts, but these seemed different than all the other rocks I've found here. It is crazy that I found these where most of my artifacts are found. Maybe the Native Americans had used them for something? Found in S.W. Iowa. Any info would be appreciated.

 

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[GatorBoy]

I don't see any fossil myself.
Wish I could I.D. the stones for you.
All I can say is they both look like conglomerate type stones to me..the first one with alot of iron ore in it and possibly copper in the second quartzite piece.

 

[Ninjafossils]

Nope. The first rock appears to be a conglomerate. And the second one has gypsum.