can you use radiometric dating on basaltic lava flow
Each of these have their own advantages and idiosyncrasies, but they rely on the same logic of radioactivity to work. Since the xenoliths are so much older than their host basalt, even that few percent can result in an apparent age many times too great. This last case may be very rare because of the relative concentrations of uranium and lead in crustal material and subducted oceanic plates. These would also tend to have high dipole moments. However, there are potential issues with potassium-argon dating. Our Partners. Geologists look for big things in small packages.
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