Chev Posted March 31, 2023 Share Posted March 31, 2023 Hi there, I have no experience with fossils or Geology but found this which to my untrained eye looks like some sort of egg. It was found in the Pilbara region of Western Australia. I was hoping someone here could help me identify it please Link to comment Share on other sites More sharing options...
doushantuo Posted March 31, 2023 Share Posted March 31, 2023 It looks like a concretion to me. Which are found in Pilbara,e.g. in Banded Iron formations 1 1 Link to comment Share on other sites More sharing options...
grandpa Posted March 31, 2023 Share Posted March 31, 2023 I agree w/ concretion; a nice septarian nodule, I'd say. 2 Link to comment Share on other sites More sharing options...
Chev Posted March 31, 2023 Author Share Posted March 31, 2023 Cheers for the replies, its hard to show in the photos but the inside is all crystallised with a sort of webbing going from the centre to the outer edges 1 Link to comment Share on other sites More sharing options...
Rockwood Posted March 31, 2023 Share Posted March 31, 2023 There was likely fluid in a void that the concretion formed around. That allowed space for the crystals to form. The process is known as geodization. 3 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted March 31, 2023 Share Posted March 31, 2023 Septarian concretion/geode. Nice find. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
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