Initial 244Pu/238U Ratios and Search for Presolar SiC in CAIs Inferred from Noble Gas and Trace Element Abundances in CAIs from CV3 Chondrites

D. Nakashima, Friedrich J. M., Ott U.

52nd Lunar and Planetary Science Conference (2021), Abstract #1944


“The Pu/U ratio estimated from noble gas and REE abundances in the five CV3 CAIs is consistent with the inferred value of 0.0068 within the uncertainty. The five CAIs showed no 130Xe excess due to pre-solar SiC, unlike CAIs in previous studies.”