Abstract
The abundances and isotopic composition of lithium were determined in an achondrite and in separated chondrule and matrix fractions from one chondrite of each of the classes LL3, H3, L4 and L6. No significant variations in the 7Li/6Li ratio were found. The lithium abundances in bulk chondrites are between 1.45 and 2.0 ppm. The abundances in the separated chondrule fractions are not significantly different. The lithium concentration in a bulk sample of the Norton County aubrite is 0.33 ± 0.07 ppm, and in separated coarse enstatite crystais, 0.23 ± 0.04 ppm.
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