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I’ve been clearing out invasive vines from my neighborhood park/green space and came across these structures absolutely covered in fortunes spindle and green briar. I could see a little part poking out and wow I just had to uncover them. Could they be stromatolites? Or just layered ole weathered limestone boulders? My Google searches of stromatolites did turn up a few that resembled these structures. But only a few:) any thoughts are greatly welcomed!

Greetings from around Nashville! A long time forager through this forum, I finally decided to treat myself to a membership, as a birthday present. Ever since moving out of the bayou to Tennessee (where I discovered rocks actually exist), I have been nonstop collecting rocks, minerals, and especially fossils of all sorts, to no small complaint of those immediately around me. I only collect as a hobby, for the fascination and sheer joy of being the first to find something unseen for ages, or possibly never heard of. As a "backyard scavenger", I mostly only collect what I find myself (I don't buy, that takes out all the fun and reward of adventure), and the majority of my fossil expeditions happen at my creek – but, before you judge, I am constantly surprised by all the things that this creek yields (which I have now nicknamed "the portal") every flood season, I honestly haven't really needed to look anywhere else, though I certainly love to. Living right on the edge of the Central Basin and Western Highland Rim, the general fossils are Paleozoic era (Ordovician-Mississippian), but according to the geologic maps, creeks and rivers can bring in some Mesozoic and Cenozoic, creating a slew of possibility. I am far from an expert, but thanks to this forum so far, I have widened my knowledge and understanding of rocks vastly, and hope to continue to. I expect to be clocking in a lot of time in the ID section soon, as I go through my accumulated stashes... yeah I'm gonna some help. Can't wait to meet you all! Happy hunting/digging/shale cracking, and keep an eye out for what turns up at the portal!

I've been collecting interesting "rocks" my entire life. The topics of paleontology, physical anthropology, and archaeology have kept me fascinated for as long as I can remember.