Psmith8547 Posted December 30, 2021 Share Posted December 30, 2021 I found this in eastern Montana in a wash bed. There were many concretion looks different, irregular surface on top and it is a continuous spiral from top to bottom. Almost looks like poop (coprolite) but it is heavy. How would you go about looking at its interior? Hammer? Scribe? I know people split some of them but I have neve done that. Link to comment Share on other sites More sharing options...
Fossildude19 Posted December 30, 2021 Share Posted December 30, 2021 Looks similar to Moqui marbles. 1 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...
Ludwigia Posted December 30, 2021 Share Posted December 30, 2021 Give it a few good solid whacks on a hard surface with a club hammer. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
kgbudge Posted December 30, 2021 Share Posted December 30, 2021 15 hours ago, Fossildude19 said: Looks similar to Moqui marbles. Yes, it does. If you can measure its specific gravity, that would tell you if it contains significant hematite. My Blog Link to comment Share on other sites More sharing options...
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