Review

Abstract

Having seen the presentation of this material at GSA 2018, I'm quite happy to see the authors have moved along to publication. The development of additional long-term records of 10Be retention in soil is one of the key pieces still needed for the robust application of the meteoric 10Be chronometer. This paper represents an important advance in that it factors erosion into the study. Previous work of this kind has relied on zero erosion assumptions that often complicate the interpretation of the results (e.g. Egli et al. 2010). I think the manuscript should be acceptable with minor to moderate changes. I detail my concerns by line or section below: C1