Nbl Posted April 13, 2022 Share Posted April 13, 2022 (edited) I found this piece of bone along the beach in The Netherlands, I have had it for a while but wanted to put it up on the forum to ask whether it was shaped by humans or natural wear by the sea (natural was my thought when i found it but the point relatively symmetrical especially for something shaped by the sea - so just wanted other peoples thoughts. Thanks so much. Edited April 13, 2022 by Nbl Add photo Link to comment Share on other sites More sharing options...
abyssunder Posted April 13, 2022 Share Posted April 13, 2022 Was it found at Zandmotor? " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
HuckMucus Posted April 13, 2022 Share Posted April 13, 2022 It looks like it's been shaped by a human; not only symmetry, but a blood groove too. However, most marine tools are barbed. Maybe the barbed portion was to the rear of the break, or maybe the barb was tied on. Or maybe I'm full of it and it's natural. Link to comment Share on other sites More sharing options...
Nbl Posted April 14, 2022 Author Share Posted April 14, 2022 (edited) 7 hours ago, abyssunder said: Was it found at Zandmotor? Edit : i do remeber I found it among shells at a vacation resort in the netherlands - there were fresh path made lined with shells - amongst the shells i went in search of fossils - i found fossilized horse teeth (one regular size one very small) and this bone - and a few smaller fossils - there is a chance the shells were dredged up from the north sea (same place zandmotor sand comes from) but not sure. (i have to admit that I cant remember - but I want to say it was in Zeeland (borssele - maybe cadzand (both known for fossils but not specifically prehistoric - although i have found fossilized antler at cadzand) Edited April 14, 2022 by Nbl 1 Link to comment Share on other sites More sharing options...
Nbl Posted April 14, 2022 Author Share Posted April 14, 2022 6 hours ago, HuckMucus said: It looks like it's been shaped by a human; not only symmetry, but a blood groove too. However, most marine tools are barbed. Maybe the barbed portion was to the rear of the break, or maybe the barb was tied on. Or maybe I'm full of it and it's natural. Thank you! Link to comment Share on other sites More sharing options...
Rockwood Posted April 14, 2022 Share Posted April 14, 2022 Sorry. I see several possible explanations for this shape that would not be human related. The groove could be where a vessel passage had been in a larger bone, and the pits tooth marks from another animal. It could have been crushed in surf before bivalve bored into it for a couple examples. 2 Link to comment Share on other sites More sharing options...
hemipristis Posted April 14, 2022 Share Posted April 14, 2022 I would look for tool marks under a bright light and magnifier/. 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Nbl Posted April 14, 2022 Author Share Posted April 14, 2022 45 minutes ago, Rockwood said: Sorry. I see several possible explanations for this shape that would not be human related. The groove could be where a vessel passage had been in a larger bone, and the pits tooth marks from another animal. It could have been crushed in surf before bivalve bored into it for a couple examples. thank you! Link to comment Share on other sites More sharing options...
Nbl Posted April 14, 2022 Author Share Posted April 14, 2022 22 minutes ago, hemipristis said: I would look for tool marks under a bright light and magnifier/. will do thank you Link to comment Share on other sites More sharing options...
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