Aïr Mountains

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Lore & Background

The Aïr mountains consist of nine almost circular massifs rising from a rocky plateau, bordered by the sand dunes and plain of the Ténéré Desert to the east. The massif is a plateau consisting of a sub-Cambrian age erosion surface on Precambrian metamorphic rocks, punctuated by a series of flat-topped, granite intrusion peaks, which include Mont Idoukal-n-Taghès (Niger's highest point at 2022 m), Mont Tamgak (1988 m), Mont Greboun (1944 m), Adrar Bous, Fadei, Chirriet, Taghmert, Agueraguer, Takaloukouzet, and Goundai. The massif contains volcanic features including the extinct caldera of Arakao, Cenozoic lava flows of hawaiite to trachyte composition, volcanic cones, tuff rings and one of the largest ring dike systems in the world. At Izouzaoenehe, lie the marble Blue Mountains, and the lower Zagado Valley is surrounded by white marble hills. Carboniferous sandstone and coal units in the Iullemmeden Basin just to the west of the massif contain uranium mineralisation sourced from the granites of the massif. The Aïr is known for its rock art, dating from 6000 BCE to around 1000 CE. During the African humid period, the region was a pastoral area, as is illustrated by images of cattle and large mammals. During the 3rd millennium BC, however, a process of desertification began and the Tuareg from further north migrated into the region. Later art indicated war, depicting horses and chariots. In particular, the five-meter-high carvings of the "Dabous Giraffes" discovered in 1999 is internationally famous. When the Tuareg tribes were pushed south by Arab invaders in the eighth and ninth centuries, there were Gobirwa Hausa in the southern Aïr. Successive Tuareg Kels have controlled the area since at least the twelfth century. Agadez, as well as In-Gall to the east, were the farthest outposts of the Songhai Empire in the early 15th century. In the sixteenth century, the area fell under the newly created Tuareg Sultanate of Agadez, and remained so until the arrival of the French at the end of the 19th century. The emergence of the French weakened the Tuareg Kels and provoked both infighting and resistance to colonialism. From the 1880s, Toubu raids increased, and when the Tuareg Ag Mohammed Wau Teguidda Kaocen rose against the French in 1917, many towns were destroyed on his way to the siege of Agadez. When the French retook Agadez, a brutal punitive expedition through the Aïr left many formerly populous places abandoned, razed by Kaosen and the French successively.

Reader's Guide

The Aïr Mountains are significant as a biodiversity hotspot within the Sahara, supporting over 430 vascular plant species and acting as a connection between Saharan, Sahelian, Sudanian, and Mediterranean floras. The mountains' altitude creates locally favorable conditions for species such as the rare olive taxon Olea europaea subsp. laperrinei, which represents the southern limit of its distribution. The region's isolation gives its species high conservation value. Historically, the Aïr is important for its extensive rock art, which documents environmental and cultural changes over millennia, from pastoral scenes to depictions of war. The massif also holds archaeological excavations illustrating the prehistoric past. The endangered African wild dog (Lycaon pictus) once existed here but may now be extirpated due to human pressures. The area's oases support agriculture and pastoralism, with products traded via camel caravans. The French colonial period and the 1917 Kaocen revolt led to widespread destruction and abandonment of settlements.

Did You Know?

• The Aïr mountains consist of nine almost circular massifs rising from a rocky plateau.
• Mont Idoukal-n-Taghès is Niger's highest point at 2022 m.
• The massif contains one of the largest ring dike systems in the world.
• The five-meter-high carvings of the 'Dabous Giraffes' were discovered in 1999.
• The endangered African wild dog (Lycaon pictus) once existed in this region, but may now be extirpated due to human population pressures.