Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Detailed geological maps of (a) Wadi Ghazala area, southeastern Sinai, Egypt3, and (b) Wadi Sedri area, southwestern Sinai, Egypt7. This figure has been drawn by using Coreldraw program version 2012.