Fig. 1: Titanium isotopic results of ureilites, diogenites and martian meteorites.

Data of rock standards and meteorite samples from this study are provided in Tables S1, S2 in the Supplementary Materials. The chondrite average from ref. ²⁶ and the literature data of martian meteorites from ref. ³⁶ are shown in gray for comparison. Error bars represent the 2se uncertainties.