Fossil dating techniques

For each dating or chronological method there is a link in the box at right to take you to that section of this page.

There, you will find a brief description of the method, plus links to take you to other webpages with more extensive information.

Many of these links also appear where appropriate below.

James Hutton and William Smith advanced the concept of geologic time and strengthened the belief in an ancient world.

It excludes contamination and weathering of travertines and makes possible more precise dating of thin deposits of secondary carbonates.

He concluded, after studying rocks at many outcrops, that each layer represented a specific interval of geologic time.[ While this may be true, a shrub in Tasmania could be 40,000 years old.See Oldest Living Organism.] The Sheffield Laboratory now has a continuous master sequence for England going back to about 5000BC. This article should be a "must read" for any person interested in factualy accurate information on dating methods.However, human beings love to see factual precision, and we want to know how old something is.Please remember that all dating methods, even those termed "absolute," are subject to margins of error. That is a very small amount of possible error range. Modern studies almost always use two or more methods to confirm dating work and to build confidence in the results obtained.

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