@ariel-brooks-ashcraft This is a really cool geologic phenomenon called a Septarian nodule, basically happens when a concretion fractures and a different mineral fills it in making some cool designs. Not a fossil, but kinda awesome

Nice find @ariel-brooks-ashcraft! We’d love to add this to our research database. Here are the steps:
1) Fill in the location tab as specifically as you are comfortable with
2) Use the app Rockd (or website version, though it’s a littl clunkier) to figure out what formation/group it comes from. I have a feeling it will be Gravel Point Formation of…[Read more]