Figure S2. Gone with the wind: Dune provenance and sediment recycling in the northern Rub'al-Khali, United Arab Emirates, Arabia.

Figure S2. Unaltered Enstatite (<b>a</b>) and unaltered amphibole (<b>c</b>); partial dissolution of enstatite (<b>b</b>) and amphibole (<b>d</b>), displaying characteristic hacksaw terminations.