Ambohiby Massif

Ambohiby Massif
Andranomangatsiaka (Malagasy)
The massif (lower right) as seen by the Landsat 7 satellite.
The massif (lower right) as seen by the Landsat 7 satellite.
Ambohiby Massif is located in Madagascar
Ambohiby Massif
Ambohiby Massif
Coordinates: 18°50′10″S 46°12′22″E / 18.836°S 46.206°E / -18.836; 46.206
LocationBongolava, Madagascar
Age90 million years (Late Cretaceous)
Formed byCollapse caldera event due to tectonic separation of India and Madagascar.
Native nameAndranomangatsiaka (Malagasy)
Area
 • Total225 square kilometres (87 sq mi)
Dimensions
 • Height1,630 metres (5,350 ft)[1]

Ambohiby Massif is an alkaline ring complex in Tsiroanomandidy District, Bongolava, Madagascar, which covers approximately 225 km2 (87 sq mi).[2]

The settlement of Anosibe Ambohiby, which has a population of about 300 Betsileo people, is located within the complex almost entirely isolated from the rest of the region; the closest settlement is the town of Antaniditra, 8 km (5.0 mi) away, and the nearest city, Tsiroanomandidy, is 18 km (11 mi) away.[3]

  1. ^ Cite error: The named reference leandri was invoked but never defined (see the help page).
  2. ^ Cecilia Mukosi, Ndivhuwo (December 2012). Petrogenesis of the Ambohiby Complex, Madagascar and the Role of Marion Hotspot plume (Thesis). Stellenbosch University. doi:10.13140/RG.2.2.27096.80644.
  3. ^ Haubursin, Christophe (5 December 2023). "What's inside this crater in Madagascar?". Vox. YouTube. Retrieved 5 December 2023.