Mollusk-Shell Radiocarbon as a Paleoupwelling Proxy in Peru
Mollusk shells from Peruvian archaeological middens provide brief (< 5 yr per shell) records of past marine conditions. Marine radiocarbon age, R, is recorded in shell carbonate at the time of precipitation. R varies with changes in upwelling: when radiocarbon-depleted sub-thermocline water wells...
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| Language: | EN |
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The University of Arizona.
2009
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| Online Access: | http://hdl.handle.net/10150/193586 |