The correct answer (a) fossilized tooth
What is the purpose of electron spin resonance dating?
One of CENIEH's four geochronology laboratories, the Electron Spin Resonance (ESR) laboratory, is primarily concerned with dating geological and/or archaeological materials such as dental enamel or optically bleached quartz grains taken from sediment.
What exactly is a fossilized tooth?
Teeth fossilize by a process known as permineralization. Water transfers minerals contained in the sediment as it seeps through sediments over the teeth. These minerals accumulate in the pore spaces of the tooth, causing it to fossilize.
When something reaches a specific age, it becomes a fossil. Though there is no set age, anything over 10,000 years old is considered a fossil. The oldest fossils discovered date back more than 3.5 billion years.
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Full Question:Electron spin resonance dating would be most useful in attempting to date which object?
a fossilized tooth
b.an ancient stone artifact
c.an old lava flow
d.a limestone cave deposit