limestone fossils

Researchers are constantly finding amazing fossils in places where you might not expect them, but a new discovery by scientists at The Australian National University (ANU) really takes the cake. After close examination of a popular building material known as oolitic limestone, scientists have declared that the grainy rocks were actually created by living microbes hundreds of millions of years ago.

This specific type of limestone is easily recognizable due to its bumpy appearance. The tiny spherical grains, called ooids, that make up the rock were long thought to be the result of tiny pebbles rolling back and forth on the sea floor, building up concentric layers of sediment like a snowball rolling along a yard. Now, science has a new explanation.

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Scientists discover rocks used in Empire State Building and Buckingham Palace are actually ancient fossils originally appeared on on Mon, 22 Jan 2018 at 14:43:50 EDT. Please see our terms for use of feeds.