Tree ring dating techniques

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The tree was a member of a population of bristlecone pine trees growing at treeline on the lateral moraine of a former glacier on Wheeler Peak, in what, since 1986, has been Great Basin National Park, in eastern Nevada.Wheeler Peak is the tallest mountain in the Snake Range, and the tallest mountain entirely within the state of Nevada.A few years later, this was increased to 4862 by Donald Graybill of the University of Arizona's Laboratory of Tree-Ring Research.

The technique can date wood to exact calendar years, and tell much about the climate of specific years.Under this criteria, the oldest living organism is a quaking aspen grove in Utah known as Pando, at 80,000 years old.In a clonal organism, however, the individual clonal stems are nowhere near as old, and no part of the organism at any given point in time is particularly old.Beginnings of Dendrochronology Methuselah (estimated birth 2832 BCE) is a bristlecone pine in the White Mountains of California, which, at 4,838 years old, is the oldest living organism currently known and documented.It is named after Methuselah, a biblical figure reputed to have lived 969 years.

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