Qualla: Mundafan

Mundafan: Introduction

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Carport, CC BY-SA 3.0. The name means "the buried sands," and the burial is thorough. Where Mundafan once spread across 300 square kilometers of freshwater in what is now Saudi Arabia's Najran Province, there is nothing today but hyperarid desert at the southwestern edge of the Rub' al Khali, the Empty Quarter. No reeds rustle along vanished shorelines. No hippos surface in evaporated shallows. Yet the evidence is unmistakable: clay benches and marl mounds rising from the sand mark where one of Arabia's largest lakes once shimmered, fed by seasonal wadis tumbling down from the Asir Mountains to the west.

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Image: Carport | CC BY-SA 3.0

Mundafan: When the Desert Was Green

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Rémy Crassard , Michael D. Petraglia, Nick A. Drake, Paul Breeze, Bernard Gratuze, Abdullah Alsharekh, Mounir Arbach, Huw S. Groucutt, Lamya Khalidi, Nils Michelsen, Christian J. Robin, Jérémie Schiettecatte, CC BY 4.0. Twice in deep time, shifts in Earth's orbit strengthened the African monsoon and pushed its rain bands north across the Arabian Peninsula. The first pulse, roughly 100,000 and 80,000 years ago, filled the Mundafan depression to depths of 30 meters, covering at minimum 100 to 210 ...

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Image: Rémy Crassard , Michael D. Petraglia, Nick A. Drake, Paul Breeze, Bernard Gratuze, Abdullah Alsharekh, Mounir Arbach, Huw S. Groucutt, Lamya Khalidi, Nils Michelsen, Christian J. Robin, Jérémie Schiettecatte | CC BY 4.0

Mundafan: A Basin Shaped by Wind

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Rémy Crassard , Michael D. Petraglia, Nick A. Drake, Paul Breeze, Bernard Gratuze, Abdullah Alsharekh, Mounir Arbach, Huw S. Groucutt, Lamya Khalidi, Nils Michelsen, Christian J. Robin, Jérémie Schiettecatte, CC BY 4.0. Mundafan formed in a topographic depression roughly 363 square kilometers across, hollowed out by wind deflation over geological time. To the east, the Tuwaiq Escarpment, a Jurassic limestone ridge, provided a natural boundary. The lake itself occupied a former riverbed that had ...

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Mundafan: Footprints on the Shore

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Rémy Crassard , Michael D. Petraglia, Nick A. Drake, Paul Breeze, Bernard Gratuze, Abdullah Alsharekh, Mounir Arbach, Huw S. Groucutt, Lamya Khalidi, Nils Michelsen, Christian J. Robin, Jérémie Schiettecatte, CC BY 4.0. Archaeological sites ranging from the Middle Paleolithic to the Neolithic cluster around Mundafan, often on or near its former shorelines. Some sites sit well into the lake's interior, suggesting that people occupied the basin even during lower water levels, following the retreat...

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Mundafan: Reading the Silence

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Rémy Crassard , Michael D. Petraglia, Nick A. Drake, Paul Breeze, Bernard Gratuze, Abdullah Alsharekh, Mounir Arbach, Huw S. Groucutt, Lamya Khalidi, Nils Michelsen, Christian J. Robin, Jérémie Schiettecatte, CC BY 4.0. Today the Mundafan basin is one of the most inhospitable places on Earth, which is precisely why its scientific study started late. Fieldwork in temperatures that routinely exceed 50 degrees Celsius, in terrain with no water, no shade, and no roads, discouraged early investigatio...

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