Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotopes. Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotope

Question

Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotopes. 
<span style="font-size:11.0pt;line-height:115%;font-family:
'Times New Roman','serif';mso-fareast-font-family:'Times New Roman';mso-bidi-font-family:
'Times New Roman';color:black;mso-ansi-language:EN-US;mso-fareast-language:
EN-US;mso-bidi-language:AR-SA;">Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotope

Quizplus · Accepted Answer

Uranium-lead and thorium-lead dating methods are commonly used to date ancient igneous intrusions, lunar samples, and some meteorites due to the long half-lives of these isotopes, allowing for the dating of very old materials.

Ancient Igneous Intrusive, Lunar Samples, and Some Meteorites Are Dated