The most abundant limestone in the Cincinnatian Series is a coarse grained rock with poorly sorted grains consisting of 30% to 40% fossil allochems surrounded by 60% to 70% matrix developed from what ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

“We began investigating a fossil specimen that did not seem very inspiring at first,” Field commented, as per Cosmos Education. “It was made up of four small broken rocks, with a few broken ...