Travertine Speleothem Cross Section technology radius and ulna

radius and ulna

The family of Araucaria spread widely across the supercontinent of Pangea by the Late Triassic Period

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Glyptodons were heavily armored mammals originating in the Pliocene Epoch three million years ago

000 strong and marched through Mesopotamia

Travertine Speleothem Cross Section technology radius and ulnaMillions of years of formation This specimen is a travertine speleothem cross section. Like the rings of a tree, the circular pattern shows the growth of the limestone over the course of millions of years. Humans have always been fascinated by its beauty, with many classical buildings like the Colosseum being built from travertine. Travertine forms as calcium carbonate rich water flows through a cave or hot spring. Little by little, it leaves behind