High-precision Al–Mg isotopic systematics in USNM 3898 – The benchmark “ALL” for initial 87Sr/86Sr in the earliest Solar System
G.J. MacPherson, C. Defouilloy, N.T. Kita Earth and Planetary Science Letters Volume 491, 1 June 2018, Pages 238–243 Available online 6 April 2018 LINK “Highlights • The CAI USNM 3898 ≡ ALL, the lowest measured…