Interlude: "Did orthodox church dogma suggest Earth was created about 4,000 B. Not only the first people, the first civilizations, the first languages, the first calendars, the first monuments, the first governments and religions, but after about 4,000 B. one can find nearly every Biblical event [thus all of Earth's history].
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Since the world is much older than this, most objects are already saturated.
However, if these substances are heated (such as when pottery is fired in a kiln or stones are dropped in a fire) this releases these trapped electrons and resets the 'clock' to zero.
Some natural materials such as various stones and soils (and also things made from them, such as pottery and stone tools) absorb or 'trap' naturally occurring electrons from their surroundings.
This happens at a known and regular rate until the material becomes saturated with electrons after about 50,000 years.
One can find things this way because, what some people once believed (apparently) some people still do! M.] - Wiki Trivia - "The 3rd millennium BC spans the Early to Middle Bronze Age.
[NP] It represents a period of time in which imperialism, or the desire to conquer, grew to prominence, in the city states of the Middle East, but also throughout Eurasia, with Indo-European expansion to Anatolia, Europe and Central Asia.Some soils can have their electron 'clocks' reset simply by being exposed to sunlight.If they are then buried beneath later deposits, they begin to trap electrons again and can be dated by similar methods (OSL).The particular advantage of luminescence dating is that the method provides a date for the archaeological artefact or deposit itself, rather than for organic material in assumed association.In the case of OSL sediment dating, suitable material (sand or silt-sized grains of quartz and feldspar) is usually available ubiquitously throughout the site.In this paper we present a new technique using luminescence field profiling coupled with OSL dating to produce complete (relative) sequences of dates for sedimentary stratigraphies associated with agricultural terraces and earthworks.