A Contribution to the Geochemical Atlas of the Kingdom of Saudi Arabia: Geochemical Survey of the Al Qunfudhah quadrangle, Sheet 19E

SGS-TR-2015-8 Ibrahim O. Abdalla, Yasser S., Al-Ghanmi, Mohammed O. Al-Nashri, Abdullah .A. Sabbahi, Abdullah M. Al-Eisa, Al Fawwaz M. Fedaany, and Mazen B. Balkheyour
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ABSTRACT
A reconnaissance geochemical survey carried out in the Al Qunfudhah quadrangle, south of the Jiddah-Makkah area, has resulted in the identification of eight Priority 1 anomalies, seven Priority 2 anomalies and nine Priority 3 anomalies that are potentially favorable for base-metal, precious-metal, Fe-Ti, and rare-element mineralization. The survey was based on the collection of 400 stream-sediment samples over Late Proterozoic intrusive rocks and supracrustal basement terrain, followed by ICP-OES and AAS analysis of the  -2 mm / +0.177 mm fraction for 55 major and trace elements after HF/ HClO4/ HCl/ HNO3 digestion.
In addition to the identified regions of high element concentration being of potential interest to mineral exploration companies, the survey has made a significant contribution to a high-quality geochemical database suitable for environmental monitoring, geological mapping, and land-use planning.

 

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Abdalla, I.O, Al-Ghanmi, Y.S., Al-Nashri, M.O., Sabbahi, A.A.,  Al-Eisa, A.M.I. Al Fedaany, F. and Balkheyour, M.B., 2015, A contribution to the Geochemical Atlas of the Kingdom of Saudi Arabia: Geochemical Survey of the Al Qunfudhah quadrangle, sheet 19E: Saudi Geological Survey Technical Report SGS-TR-2015-8, 1118 p., 95 figs., 11 tables, 1 app