StevenJD Posted February 26, 2018 Share Posted February 26, 2018 Chert from Bexar County, TX. If a fossil, what could it be? Link to comment Share on other sites More sharing options...
Fossildude19 Posted February 26, 2018 Share Posted February 26, 2018 Possibly a sponge? Odd. Enlarged and cropped. Tim - VETERAN SHALE SPLITTER VFOTM - APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
ynot Posted February 26, 2018 Share Posted February 26, 2018 Sponge, but I think the white frill is mineral not part of the animal. 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...
StevenJD Posted February 27, 2018 Author Share Posted February 27, 2018 Thanks for the ID! Link to comment Share on other sites More sharing options...
abyssunder Posted March 2, 2018 Share Posted March 2, 2018 Probably, the original material of the fossil was almost totally dissolved. The white external structure might be crystalline silica (amorphous or chalcedonic). " 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...
Plantguy Posted March 4, 2018 Share Posted March 4, 2018 Is this the same locale/outcrop/formation as the plant material shown in the other post? Regards, Chris Link to comment Share on other sites More sharing options...
abyssunder Posted March 4, 2018 Share Posted March 4, 2018 The fossil sponges in flint nodules from Texas were compared many years ago (J. A. Merrill, 1895) with the sponges in flint from UK. Here are some specimens from the flint pebbles (history collection), for comparative reason. pictures courtesy of Museum Of New Zeeland " 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...
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