Assertion: thermoluminescence dating | /r/CapableOf | presuppose exposure
Facets:
value: to sunlight
type: TRANSITIVE-OBJECT
Source sentences:
text: Thermoluminescence dating presupposes a "zeroing" event in the history of the material, either heating (in the case of pottery or lava) or exposure to sunlight (in the case of sediments), that removes the pre-existing trapped electrons.