Can carbon dating used diamonds
Most of the tree-ring sequence is based on the bristlecone pine.
The creationists who quote Kieth and Anderson never tell you this, however.Of course, species of tree tend to produce two or more growth rings per year.But other species produce scarcely any extra rings.Even so, the missing rings are a far more serious problem than any double rings.Other species of trees corroborate the work that Ferguson did with bristlecone pines.
Search for can carbon dating used diamonds:
Question: But don't trees sometimes produce more than one growth ring per year? Answer: If anything, the tree-ring sequence suffers far more from missing rings than from double rings.