Supplemental material: Assessing mantle versus crustal sources for non-volcanic degassing along fault zones in the actively extending southern Apennines mountain belt (Italy) A. Ascione et al. 10.1130/2018150 https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Assessing_mantle_versus_crustal_sources_for_non-volcanic_degassing_along_fault_zones_in_the_actively_extending_southern_Apennines_mountain_belt_Italy_/12536468 GSA Data Repository Item 2018150, GSA Bulletin. File size: about 722 KB. 2018-01-01 00:00:00 Geoscience