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Ancient mammal fossil discovered in a cave in Ha Long Bay

The mammal, estimated at just over 1 m long, is thought to be no more than about 10,000 years old.

According to the Management Board of Vịnh Hạ Long (Ha Long Bay, a UNESCO World Heritage Site in northern Vietnam), caves hold far more than just rock and groundwater. Their stalactites and other formations also preserve traces of animals that once lived in the area and, for one reason or another, became trapped inside.


The skeleton of the ancient mammal found in the cave.

One such fossilized animal skeleton has been discovered in a cave in Ha Long Bay. The skeleton of the mammal, estimated at just over 1 m long, is almost completely intact, with its shoulder blades, limb bones, ribs and vertebrae still preserved.

Lying in a relatively enclosed cave chamber with abundant water flow, the skeleton has been encased and preserved over time by layer upon layer of calcite. Experts estimate that the skeleton is no more than about 10,000 years old.

It is also the only fossilized animal skeleton found in a cave in Ha Long Bay to date. This unique fossil is very important evidence for paleontologists studying the region's ancient environment and ancient life.


The scientists studying the fossilized bones.

Ha Long Bay's caves are known for their great beauty and their diverse origins. They range from 500,000 to 5,000 years old and feature spectacular stalactites and stalagmites, sculpted and built up by groundwater flowing through the limestone.

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This article was translated from Vietnamese. Read the original
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