corporateidentity Posted August 27, 2019 Share Posted August 27, 2019 Hello, I have two strange objects that my wife and I found in Pittsburgh in Carboniferous territory. The triangular shape one is a little larger that a quarter while the spherical rock is about the size of a baseball. I haven't seen anything like these two rocks in any of my fossil trips, so any help would be terrific. Thanks everyone! “Too much change is as destructive as too little. Only at the edge of chaos can complex systems flourish.” ― Michael Crichton, The Lost World Link to comment Share on other sites More sharing options...
connorp Posted August 28, 2019 Share Posted August 28, 2019 They look like iron concretions to me. Link to comment Share on other sites More sharing options...
caldigger Posted August 28, 2019 Share Posted August 28, 2019 5 minutes ago, connorp said: They look like iron concretions to me. Yep Link to comment Share on other sites More sharing options...
Fossildude19 Posted August 28, 2019 Share Posted August 28, 2019 I agree. Ironstone concretions. 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...
Petalodus12 Posted August 28, 2019 Share Posted August 28, 2019 I believe they are ironstone concretions. These are very commonly found around the Pittsburgh area as they are resistant to erosion and can be found in large numbers in certain shale beds. Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted August 29, 2019 Share Posted August 29, 2019 Ironstone concretions -- common, although many are collectible when they take on interesting shapes like yours. 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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