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Adam Frey posted an image in the group
What is it? from the myFOSSIL app 4 years, 6 months ago 4 years, 6 months ago4 years, 6 months agoThis is the sphere I referenced in another post that was lodged in as I have been just taught a conglomerate. Is this just a bubble of matter that formed due to pressure and heat? #collection_site
Sometimes they are just large rocks but concretions form from sediment accumulating to a nucleus (which could be plant matter, minerals or shell). In the picture, it looks like there may be some plant matter though just the carbon from it.
awesome thanks…what’s a way to verify?