Hi, my son found this in one of our artifact hunting creeks. Can anyone give me details on what this is? He’d like to write a paper about it for his homeschooling work required during the pandemic.
Your son made an interesting find. There's a good summary of how concretions form at the link below and the fourth picture shows a concretion of the type that he found:
Your son made an interesting find. There's a good summary of how concretions form at the link below and the fourth picture shows a concretion of the type that he found: