Dating cave sediments

25-Dec-2017 12:26

But Liang Bau boasts a devilishly complicated geological history, as layers of silt and clay interleave with layers of weathered limestone, loose gravel, and volcanic ash.

Liang Bua is a cathedral-like cave with a high domed ceiling.From 2007 to 2014, the team dug into a number of new areas near the center of the cave, he says.Then, they found a powerful key with which to fully reconstruct the cave’s history: a buried “hill” consisting of layer upon layer of sediment, unaffected by erosion.A chief argument underpinning the diseased arrived in southeast Asia and Australia.

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