PaulSchreiner 0 Posted June 13 Share Posted June 13 http://imgur.com/gallery/HiCGIDw Hi. Found this rock at Red River Gorge in Kentucky. Anyone know what it is, and why or how it's hollowed? Quote Link to post Share on other sites
Stillweaver hillbelli 234 Posted June 13 Share Posted June 13 Fossil...Looks like an an ancient relative of an abalone . Quote Link to post Share on other sites
Caliche Chris 177 Posted June 13 Share Posted June 13 Hi Paul! Wow, been a while since I’ve heard anyone talk about red river gorge. What a beautiful place! Haven’t been there in years. Do you know if Miguel’s Pizza is still there? Cool looking fossil too! Quote Link to post Share on other sites
d_day 307 Posted June 13 Share Posted June 13 (edited) I’m not convinced it is a fossil. While it does look strikingly similar to abalone, it also looks like it might be a fragment of an ironstone concretion. Edited June 13 by d_day 2 Quote Link to post Share on other sites
4meter 186 Posted June 13 Share Posted June 13 Oooo, a sample from my neck of the woods. d-day has it right. It's a conglomerate with an iron cementing material. The sample was, very likely, in the bottom a pot hole of a cascade or fall and was hollowed out by the action of water. It's most likely Pennsylvanian in age. In the good old days, kids of the region would collect agates, break them into rough squares, and place these into pot holes of the areas streams, during the late spring & summer. The action of the water during these low flow periods, would round the agate pieces, and the kids would collect their newly made marbles at the end of Summer. Most were plain but a few tumbled into spectacular marbles. 2 Quote Link to post Share on other sites
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