tag:blogger.com,1999:blog-3927143376177050152.post2323158000357675560..comments2024-03-28T10:59:20.121-04:00Comments on Louisville Fossils and Beyond: Kentucky MarbleMichael Popphttp://www.blogger.com/profile/16741723962997816729noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3927143376177050152.post-21139464176444802942010-04-02T16:52:30.950-04:002010-04-02T16:52:30.950-04:00The "birds eye" limestone is from the Ty...The "birds eye" limestone is from the Tyrone Fm. Birds eye refers to the calcite filled vugs that are common throughout the formation. <br /><br />Many have referred to the units of the High Bridge Group as marbles, and as your piece shows, it has been marketed as such, but that term is generally used by those that are ignorant of geologic processes.<br /><br />SoliusAnonymousnoreply@blogger.com