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Showing results for tags 'alluvium'.
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I found these in Post Oak Creek near Sherman city limits. The formation within the creek is Alluvium which is Quaternary, Holocene, Cenozoic (in reverse order) I believe. It is surrounded by Austin chalk which is cretaceous. I have no idea what they are. I’m certain I’ve seen a modern version of this while Scuba diving, but for the life of me I can’t remember what it was or where I saw it. They look a little like a barnacle, but not exactly, maybe a tube worm colony? Please let me know your thoughts.
I just got my hands on a geological map, and near where I live there is Alluvium on river banks. This is Holocene, so pretty young and I understand alluvium is basically soil. Is there fossils possible in this stuff? Or even subfossils? Btw I'm not sure if this is in the right category so mods feel free to move it. Thanks guys!