10.25384/SAGE.6633488.v1 Dorothea S Macholdt Dorothea S Macholdt Abdullah M Al-Amri Abdullah M Al-Amri Husam T Tuffaha Husam T Tuffaha Klaus Peter Jochum Klaus Peter Jochum Meinrat O Andreae Meinrat O Andreae Supplement_for_HOL_777075 – Supplemental material for Growth of desert varnish on petroglyphs from Jubbah and Shuwaymis, Ha’il region, Saudi Arabia SAGE Journals 2018 manganese oxyhydroxides Neolithic period portable XRF rock art rock varnish varnish growth mechanisms 2018-06-12 12:00:00 Dataset https://sage.figshare.com/articles/dataset/Supplement_for_HOL_777075_Supplemental_material_for_Growth_of_desert_varnish_on_petroglyphs_from_Jubbah_and_Shuwaymis_Ha_il_region_Saudi_Arabia/6633488 <p>Supplemental material, Supplement_for_HOL_777075 for Growth of desert varnish on petroglyphs from Jubbah and Shuwaymis, Ha’il region, Saudi Arabia by Dorothea S Macholdt, Abdullah M Al-Amri, Husam T Tuffaha, Klaus Peter Jochum and Meinrat O Andreae in The Holocene</p>