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By comparing this light output with that produced by known doses of radiation, the amount of radiation absorbed by the material may be found. Most mineral materials, including the constituents of pottery, have the property of thermoluminescence (TL), where part of the energy from radioactive decay in and around the mineral is stored (in the form of trapped electrons) and later released as light upon strong heating (as the electrons are detrapped and combine with lattice ions).These various chronologies and their inherent inconsistencies, known as ‘relative dates,’ are a constant series of hurdles in the quest of historians and archaeologists to record mankind’s existence on earth.However, in the 1940s, the organization of time was transformed by the revelation of radiometric dating and the subsequent creation of a scientific chronology of humankind, known as ‘absolute dating’.This is like the common phrase that Christians like to use when studying the Bible, when we say, "He pulled that out of context." When considering the date of the world, and the universe, you have to consider all the evidence, not just one portion.We take the radiometric dates, along with stratigraphy (I know, dated radiometrically), the specific fossil species in a rock (I know, dated radiometrically) and come up with a date. Because although not perfect, it is the best tool we have.
The young earth creationism believer thinks that all we are relying on is the radiometric techniques.For periods without a historic record, attempts have been made to categorize tool kits, pottery styles, and architectural forms into regional timelines.Some ill-fated attempts to define time even attempted to count backwards through the genealogies of the Bible, establishing a series of dates which remain a cause of confusion. General references Links to other useful sites BACK TO HOME PAGE HOW DOES THERMOLUMINESCENCE DATING WORK?In all, close to two dozen physical quantities must be accurately measured to establish the relationship between doses of different kinds of radiation and light output, and to compute dose rate.