Rail transport in Somalia Somalia-Ethiopia border. Somali troops from the First and Second Somali divisions of the Italian colonial army helped during the construction. Rail transport in Somalia Railway transport in Somalia consisted of the erstwhile Mogadishu–Villabruzzi Railway and secondary tracks. The system was built during the 1910s by the authorities in Italian Somaliland. Its track gauge was , a gauge favoured by the Italians in their colonies in the Horn of Africa and North Africa. The railway was dismantled in the 1940s by the British during their military occupation of Italian Somaliland, and was subsequently never rehabilitated. The 114 km of the Mogadishu-Villabruzzi
Geology of Somalia and island arcs. In the Early Jurassic, the supercontinent Gondwana, which included Africa, began to break apart. The marine transgression of the Tethys Ocean flooded large parts of East Africa and Arabia and new sedimentary rock units were deposited. In the west of Somalia, the Cretaceous at the end of the Mesozoic brought crustal upwarping, which is preserved in the Yesomma Sandstone. Two major sedimentary basins began to form in Somalia during the Mesozoic, the Somali Coastal Basin and the Luuq-Mandera Basin, both filled with up to five kilometers of sedimentary rock. The basins formed due to the movements of