OSU glaciologist Lonnie Thompson and University of Texas botanist Blanca Leon examine deposit of ancient alpaca moss recently exposed by the retreat of the Quelccaya ice cap in the Peruvian Andes. The deposit was covered some 5,200 years ago as the ice cap expanded. Recent warm periods in the region uncovered large mats of the moss.
Credit: Image courtesy of Ohio State University
COLUMBUS , Ohio -- For the third time in as many years, glaciologist Lonnie Thompson has returned from an Andean ice field in Peru with samples from beds of ancient plants exposed for the first time in perhaps as much as 6,500 years.
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Ohio State University. "New Plant Finds In Andes Foretell Of Ancient Climate Change." ScienceDaily. ScienceDaily, 15 September 2005. <www.sciencedaily.com/releases/2005/09/050915004455.htm>.
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Ohio State University. "New Plant Finds In Andes Foretell Of Ancient Climate Change." ScienceDaily. www.sciencedaily.com/releases/2005/09/050915004455.htm (accessed April 19, 2014).