sharptooth79 Posted March 27, 2016 Share Posted March 27, 2016 Hello guys. I'm very new in fossil collection. Not so long ago I purchased a box with stones, meteorites and fossils at garage sale. Now I'm trying my best to ID what is what. Can you please help me to identify those cross section slabs I posted on photos. Size of bigger slab is 82mm (3.2inch), thickness is 6.6mm (0.26inch). It has distinctive pattern of spiral "oncolite stromatolite dots". All sort of suggestions will be very helpful. Unfortunately no information was left by previous owner of that box. Cheers Link to comment Share on other sites More sharing options...
ynot Posted March 27, 2016 Share Posted March 27, 2016 I think it looks like a petrified wood, but unsure of the plant type. Tony 1 Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
McHorse Posted March 27, 2016 Share Posted March 27, 2016 looks a bit like petrified fern wood. I'm no expert though. Similar to this: 1 Link to comment Share on other sites More sharing options...
abyssunder Posted March 27, 2016 Share Posted March 27, 2016 (edited) The specimens above looks to be Jurassic aged Osmunda from Australia. Edited March 27, 2016 by abyssunder 5 " 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...
Carl Posted March 29, 2016 Share Posted March 29, 2016 These are definitely petrified fern trunks. Something like Osmundacaulis, Millerocaulis or Ashicaulis, The are often found in Tasmania (http://www.amazon.com/Lune-River-Fossil-Trunks-Tasmania-ebook/dp/B00K5D7ZBY). VERY nice finds! 2 Link to comment Share on other sites More sharing options...
Ludwigia Posted March 29, 2016 Share Posted March 29, 2016 Yup. Tree fern. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
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