The availability of outcrops to study reservoir-scale geobodies is key for a successful exploration and exploitation of subsurface hydrocarbon accumulations. The increased development of giant gas fields in the Permian Khuff Formation in the Persian Gulf calls for more geological work in such outcrop equivalents. Next to the known outcrop analogues in Saudi Arabia (Vaslet et al., 2005) and Iran (Insalaco et al., 2006) we present outcrops from the Musandam Peninsula (Ras Al Khaimah, UAE) with close affinity to the reservoir geology of Khuff gas fields.

Data and methods

A lithological log with scale 1:100 including lithology, carbonate textures, macrofossils and sedimentary structures and covering the 500 m thick stratigraphic interval of interest has been compiled in the field (Figure 1). Along the logged section a sample for microfacies and biostratigraphic analysis has been taken every 2-3 m. Selected clay layers were sampled for X-ray diffraction and palynological analyses. Gamma ray radiation was measured at 1m-intervals in the lower part of the outcrop using a hand-held gamma ray spectrometer which produced separate logs for emitted Uranium (U), Thorium (Th) and Potassium (K), as well as a bulk gamma ray log converted to standard API gamma ray units.

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