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The Extinct Radionuclide Timescale of the Early Solar System

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Abstract

The tendency of iodine to be mobilised during secondary processing is reflected both in the presence of 129XeXS in secondary minerals and in the bulk 129XeXS/I ratios in meteorites. Comparison of absolute ages derived through calibration of chronometers based on 129Xe, 53Mn and 26Al against the Pb-Pb system yields a plausible timescale for the early solar system. In this system, the earliest chondrule ages are most readily interpreted as representing formation after the beginning of parent body processing.

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Gilmour, J.D. The Extinct Radionuclide Timescale of the Early Solar System. Space Science Reviews 92, 123–132 (2000). https://doi.org/10.1023/A:1005230808939

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