| [var. Sericite] Greenwood, W. R. (1979). Geologic map of the An Nimas quadrangle, sheet 19/42C, Kingdom of Saudi Arabia. Geologic Map GM-37 (with Explanation). Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. Al-Koulak, M.Z.M.I. 1985. Geology and petrology of the Al Ajardah ring complex, and Bani Amr syenites of the southern Arabian Shield. PhD thesis, Faculty of Earth Sciences, King Abdulaziz University. |