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Speleothems are mineral deposits formed from groundwater within underground caverns. Stalagmites, stalactites, and other forms may be annually banded or contain compounds which can be radiometrically dated. Thickness of depositional layers or isotopic records can be used as climate proxies. | |
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http://lwf.ncdc.noaa.gov/paleo/speleothem.html Downloaded Friday, 04-Jul-2008 23:43:49 EDT Last Updated Tuesday, 13-May-2008 17:18:45 EDT by paleo@noaa.gov Please see the Paleoclimatology Contact Page or the NCDC Contact Page if you have questions or comments. |