title: The ends of elements.
authors.affiliation: Department of Geological Sciences (IGV) and Bert Bolin Centre for Climate Research, Stockholm University, 106 91 Stockholm, Sweden. brett.thornton@geo.su.se
authors.forename: Brett F
authors.initials: BF
authors.lastname: Thornton
authors.forename: Shawn C
authors.initials: SC
authors.lastname: Burdette