Trees of stone tell tropical tale

Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago

By Sid Perkins, 13:42 PM May 26, 2009

The fossilized remains of a South American forest buried by volcanic ash
are providing scientists with a detailed look at a tropical forest ecosystem from millions of years ago.

The petrified forest, known as El Bosque Petrificado Piedra Chamana, covers a 1-by-0.5-kilometer area in northwestern Peru, Deborah Woodcock, a paleoclimatologist at Clark University in Worcester, Mass., and her colleagues report in the July-August GSA Bulletin. Fossils at the site include both large tree trunks a...

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