Bristlecone pine carbon dating
Generally, it is not possible to construct a complete sequence of tree rings back through the historical periods using only living trees.If the method had a large component of random error due to inaccurate pattern matching, how could such detailed agreement between the radiocarbon in the rings of two independent dendrochronologies be possible?The internal agreement of these American dendrochronologies confirmed that dendrochronologists are able to accurately match ring patterns.These separate chronologies did not extend as far back in time because these types of trees are shorter-lived.
However, they did agree with the bristlecone chronology as far back as it could be checked by the shorter chronologies.
The rings in a non-living specimen can be counted to determine the number of years the specimen spans.
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