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Some problems in application of MDD model (I)

DOI: 10.1007/BF03183493

Keywords: excess argon,Cl correction method,MDD model

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In the process of40Ar/39Ar experiment, excess40Ar(40ArE) released from K-feldspar at low temperature step may mask the real age and thermal history information of the sample. A method for Cl correction of40ArE has been introduced and successively used in correction of abnormally high age values of three K-feldspar samples at low temperature step taken from the Red River fault zone. It provides a reliable age information at low temperature step for further multiple diffusion domain (MDD) model fitting.


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