Geochron Laboratories was the first laboratory to provide high quality isotopic analyses to geological and archaeological communities on a comercial basis.
The trend was naturally most obvious in those areas of science basedespecially on a mathematical or laboratory training, and can be illustrated in terms of the development of geology in theUnited Kingdom.
The letter was written by Darwin to thank an American geologist, Dr. Ferdinand Vandeveer Hayden, for sending him copies of his research into the geology of the region that would become Yellowstone National Park.