Deb1 Posted May 31, 2019 Share Posted May 31, 2019 Hi, could anyone tell me if this is a Coprolite ? It was found in the UK on a field a the top of the South Downs national park , along with a flint scraper and an Echinoid. Link to comment Share on other sites More sharing options...
Coco Posted May 31, 2019 Share Posted May 31, 2019 Hi, If it was found in chalk, it looks like a marcassite concretion. Coco 3 ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Deb1 Posted May 31, 2019 Author Share Posted May 31, 2019 Hi Coco, thank you for your reply, it was found on a field where there was some chalk but mainly flint. Link to comment Share on other sites More sharing options...
Rockwood Posted May 31, 2019 Share Posted May 31, 2019 This likely falls in the category of often referred to as (read sold as) coprolite, but not scientifically determined to be such. Link to comment Share on other sites More sharing options...
TqB Posted May 31, 2019 Share Posted May 31, 2019 I agree it's a marcasite nodule from the Chalk. 1 Tarquin Link to comment Share on other sites More sharing options...
Deb1 Posted May 31, 2019 Author Share Posted May 31, 2019 Thank you both for your time in helping me with this. Link to comment Share on other sites More sharing options...
hemipristis Posted May 31, 2019 Share Posted May 31, 2019 14 minutes ago, Deb1 said: Thank you both for your time in helping me with this. Common in the Prairie Bluff chalk in the southern U.S. as well. Note that the marcasite has altered to goethite, so you have a pseudomorph. Nifty piece as you can still see the original crystal faces 2 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted May 31, 2019 Share Posted May 31, 2019 10 hours ago, hemipristis said: Common in the Prairie Bluff chalk in the southern U.S. as well. Note that the marcasite has altered to goethite, so you have a pseudomorph. Nifty piece as you can still see the original crystal faces I was just going to say that it's a keeper. A mineral specimen worth adding to a collection. 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...
hemipristis Posted June 1, 2019 Share Posted June 1, 2019 5 hours ago, Mark Kmiecik said: I was just going to say that it's a keeper. A mineral specimen worth adding to a collection. Definitely! 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
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