gorgon Posted September 20, 2018 Share Posted September 20, 2018 This is interesting. Haven't seen one like this before. Any ideas? Grand Traverse, East Bay shoreline. The coin is a US quarter. Link to comment Share on other sites More sharing options...
ynot Posted September 20, 2018 Share Posted September 20, 2018 Oolitic jasper. (aka poppy jasper) 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...
abyssunder Posted September 20, 2018 Share Posted September 20, 2018 Maybe those are pisoids. Pisolite 1 " 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...
Ludwigia Posted September 21, 2018 Share Posted September 21, 2018 Could also be a sedimentary conglomerate made up of water-worn pebbles and sandy clay. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
abyssunder Posted September 21, 2018 Share Posted September 21, 2018 17 hours ago, Ludwigia said: Could also be a sedimentary conglomerate made up of water-worn pebbles and sandy clay. It crossed my mind, Roger, but the concentric layers of the constituent elements might rule out "puddingstone", I think. 2 " 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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