Jurassicz1 Posted October 18, 2020 Share Posted October 18, 2020 Found these weird rocks bones maybe? And the last one maybe banded flint? These were found in ignaberga cretaceous quarry sweden Link to comment Share on other sites More sharing options...
val horn Posted October 18, 2020 Share Posted October 18, 2020 The first looks like an internal mold of a ammonite. The others may not be fossils 1 Link to comment Share on other sites More sharing options...
Johannes Posted October 18, 2020 Share Posted October 18, 2020 The first one is a shell fragment of a bivalve, the other ones are granite pebbles from cretaceous fossil beaches, impreganated with iron oxides and glauconite... Link to comment Share on other sites More sharing options...
Jurassicz1 Posted October 18, 2020 Author Share Posted October 18, 2020 2 hours ago, Johannes said: The first one is a shell fragment of a bivalve, the other ones are granite pebbles from cretaceous fossil beaches, impreganated with iron oxides and glauconite... Oh ok thanks! One of them really looks like bone but ok. How can i id ignaberga bones from granite pebbles from the Beaches? How do u find bones in ignaberga? Is it rare? Link to comment Share on other sites More sharing options...
Johannes Posted October 18, 2020 Share Posted October 18, 2020 1 hour ago, Jurassicz said: How can i id ignaberga bones from granite pebbles from the Beaches? How do u find bones in ignaberga? Is it rare? 1: it is an high energy setting. Bones there are often rolled or broken, so you should clearly see the inner spongiosa somewhere. If you find a bone, you should recognise it. 2: I never found bones (except serveral shark teeth) in the Upper Cretaceous around Ignaberga, although I have looked for them in several field weeks over the last 20 years. 3. I guess so. Link to comment Share on other sites More sharing options...
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