Type of radiometric dating


27-Feb-2017 20:59

For example, about 1.5 percent of a quantity of Uranium 238 will decay to lead every 100 million years.By measuring the ratio of lead to uranium in a rock sample, its age can be determined.Over the years, archaeology has uncovered information about past cultures that would have been left unknown had it not been with the help of such technologies as radiocarbon dating, dendrochronology, archaeomagnetic dating, fluoride dating, luminescence dating, and obsidian hydration analysis, among others.Radiocarbon dating has been around for more than 50 years and has revolutionized archaeology.Carbon 14 dating remains to be a powerful, dependable, and widely applicable technique that is invaluable to archaeologists and other scientists.The unstable and radioactive carbon 14, called radiocarbon, is a naturally occurring isotope of the element carbon.Using fossils as guides, they began to piece together a crude history of Earth, but it was an imperfect history.After all, the ever-changing Earth rarely left a complete geological record.

It is in knowing what made past cultures cease to exist that could provide the key in making sure that history does not repeat itself.This information is then related to true historical dates.



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