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) of the White Mountains of Eastern California, were dated in 1957 by counting tree rings at 4,723 years old.

This would mean they pre-dated the Flood which occurred around 4,350 years ago, taking a straightforward approach to Biblical chronology.

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A small core of the wood is removed and the rings are painstakingly counted.

This remarkable tree was approximately 1400 years old, and grew on this rugged mountain ridge during the time of Mohammed.

More about the photograph) Lesson plans and essays for teachers and students explore North Carolina's past before European contact.

Tree-ring analysis requires observation and pattern recognition.

Recent research on seasonal effects on tree rings in other trees in the same genus, the plantation pine , has revealed that up to five rings per year can be produced and extra rings are often indistinguishable, even under the microscope, from annual rings.

As a tree physiologist I would say that evidence of false rings in surely counts much more strongly against such the notion. Considering that the immediate post-Flood world would have been wetter with less contrasting seasons until the Ice Age waned (see Q&A: Ice Age), many extra growth rings would have been produced in the Bristlecone pines (even though extra rings are not produced today because of the seasonal extremes).

The practical applications of the study of tree rings are numerous.

Dendrochronology is an interdisciplinary science, and its theory and techniques can be applied to many applications. These research interests have in common the following objectives: Ring-counting does not ensure the accurate dating of each individual ring.

Wolffia using a increment borer to age-date an old sierra juniper (Juniperus occidentalis var.

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