Chronos Posted March 28, 2020 Share Posted March 28, 2020 Dear friends, let me submit a sample from the alluvial sands of Kyiv, Ukraine. Please help me decide: is it a concretion or a fossil, and if it is a fossil, what could it be? May be, it is carbonized wood? As I know, Cenozoic deposits are possible here in Kyiv. In the Paleogene, the territory of Kyiv was covered by the sea (here the bones of the Basilosaurus were found), since the Neogene - land. I applied vinegar, and my sample does not respond Thank you in advance for the tips! Link to comment Share on other sites More sharing options...
Pemphix Posted March 28, 2020 Share Posted March 28, 2020 Might be a burrow fill. Link to comment Share on other sites More sharing options...
GeschWhat Posted March 28, 2020 Share Posted March 28, 2020 Because of the color difference, I'm thinking an infilled burrow as well. Lori www.areallycrappystory.com/fossils www.facebook.com/fossilpoo Link to comment Share on other sites More sharing options...
fifbrindacier Posted March 28, 2020 Share Posted March 28, 2020 I agree with that. "On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry) "We only well see with the heart, the essential is invisible for the eyes." In memory of Doren Link to comment Share on other sites More sharing options...
Chronos Posted March 29, 2020 Author Share Posted March 29, 2020 In addition: it looks like a light unstructured cylindrical rod surrounded by a concentrically dark “tube”, which, in turn, is surrounded by a light concentric surface “tube” - “bark”. I am thinking about the version of the burrow. If it is true, then who can be the owner? The diameter of the light core is about 12 mm. Lizard? A tiny rodent? Insect? Link to comment Share on other sites More sharing options...
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