Cr diffusion in olivine: Implications to the Mn-Cr chronology of the early solar system objects.

Abstract

We determined the diffusion coefficient of Cr in olivine as function of temperature, oxygen fugacity (fO₂) and crystallographic orientation and used these data to develop a quantitative understanding of the behavior of the short-lived ⁵³Mn-⁵³Cr decay system in olivine during cooling within meteorite parent body.