 Slabs of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Slab of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Patterns of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Pavement by gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Patterns of layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Texture of protruding gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Slabs of gypsum crystals (selenite) with sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Protruding layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 White gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Grass growing on layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 White gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Protruding gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Plateau with gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Slabs of gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Haloxylon salicornicum (Hammada elegance, local names remith, hamd) growing on layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Gypsum crystals pavement (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Arfaj (Rhanterium epapposum) growing on sand covering gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Blooming Arfaj (Rhanterium epapposum) growing on sand covering layers of gypsum crystals (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Gypsum crystals (selenite) from a slope of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Polycarpaea repens on gypsum pavement (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Gypsum pavement (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Gypsum pavement (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Gypsum rocks (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Gypsum slabs (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Members of the Qatar Natural History Group (QNHG) exploring area of gypsum crystal pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Members of the Qatar Natural History Group (QNHG) exploring glittering gypsum pavement (selenite) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Weathered gypsum layers (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Weathered gypsum slabs (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Gypsum crystal pavement (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Haloxylon salicornicum (Hammada elegance, local names remith, hamd) growing in cracks of gypsum pavement (selenite) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Arfaj (Rhanterium epapposum) growing on gypsum pavement (selenite) in area of Jebel Al-Nakhsh (Khashm an Nakhsh) in south-western Qatar, March 11, 2016
 Glittering gypsum crystals from a slope of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Field of glittering gypsum crystals from a slope of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Gypsum plateau in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 View from a gypsum plateau in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Layers of gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Pavement by gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Weathered gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Slabs of gypsum crystals (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 White flowers of Eremobium aegyptiacum (to the left) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stones and pebbles in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Dried stem of Zygophyllum in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Layers of Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Zygophyllum qatarense plant in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Milkweed Glossonema varians on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Fagonia ovalifolia(?) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand covering chalky limestone in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Chalky deposits of marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Hairy leaves of Astragalus eremophilus(?) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Succulent twig of Zygophyllum qatarense plant in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Pebbles covering lithified sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Pebbles covering layers of lithified sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Green seedling of desert plant Zygophyllum qatarense in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Round chalky deposits of marine Miocene Dam Formation in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Lithified (compacted and hardened, turned to stone) sand dune in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Compact seedling of desert plant Zygophyllum qatarense among sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Tiny flower of lunaria (Savignya parviflora, local name Gilgilan) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Desert rock carved by drifting sand (aeolian abrasion) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Launaea capitata (local names huwa, hazan) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill with seeds (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis in sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Stork bill with a flower (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Leaves of stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Hairy leaves of milkvetch Astragalus arpilobus subsp. hauarensis submerged in sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Rosette of leaves of stork bill (Monsonia nivea, Erodium neveum) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Haloxylon salicornicum (Hammada elegance local names remith, hamd) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Flower bud of Brown Lily (Dipcadi erythraeum, local names mesailemo, besailemo) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sand button (creeping thorn rose, Neurada procumbens, local name saadan) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Seedling of Zygophyllum qatarense (Tetraena qatarense) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Zygophyllum simplex (Tetraena simplex, local name Daa, harm, hureim) in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Flower buds of Brown lily (Dipcadi erythraeum, local names mesailemo, besailemo) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Brown lily (Dipcadi erythraeum, local names mesailemo, besailemo) with flower buds on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Sunrise in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Plateau with pebbles in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Edge of a plateau in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Stone mushroom in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Limestone mushroom in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Stony plateau in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Acacia tortilis(?) in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Rock layers in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and sky ripples in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and sky texture in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand and rocks in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Exposed pebbles in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Small wadi in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Rippled texture in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
 Sand button (creeping thorn rose, Neurada procumbens, local name saadan) on sand in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
 Gypsum rocks (selenite) in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
 Members of the Qatar Natural History Group (QNHG) exploring fossilised intertidal stromatolites (microbial mats, laminated sediments) during fossil trip in area of Jebel Al-Nakhsh in south-western Qatar, February 7, 2014
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