I picked this little nugget up quite a few years ago, during my early infatuation with coprolites. All I know about it is that it was found near Price, Utah. I have siderite "formations" from around the world. This is the only one I've seen that looks like it has an inclusion (or should I say the cast of an inclusion). There has long been a debate as to whether siderite rocks such as these are coprolites, casts of voids (fecal and otherwise, or iron-rich mud extrusions (what I like to call "Eart