Geary Schindel said: >Generally, the speleothem is cut in half and rock specimens are removed along >the axis of the speleothem
I don't think it is necessary to remove entire formations for age dating
any more (if it ever was). Relatively small cores can be drilled out leaving
the main formation intact. If the core is taken from the back as the formation
is normally seen, one would not even know it had been drilled.
Mark Minton
