Gibraltar Arc Gibraltar Arc The Gibraltar Arc is a geological region corresponding to an arcuate orogen surrounding the Alboran Sea, between the Iberian Peninsula and Africa. It consists of the Betic Cordillera (south Spain), and the Rif (North Morocco). The Gibraltar Arc is located at the western end of the Mediterranean Alpine belt and formed during the Neogene due to convergence of the Eurasian and African plates. Maximum altitudes of the region are reached at the Mulhacén peak (3482 m) at the Cordillera Betica. Precipitation is collected mainly by the Guadalquivir (Betics) and Sebou (Rif) rivers, which have delivered most sedimentary infill
Postal orders of the South African Republic Postal orders of the South African Republic The South African Republic's postal orders were introduced on 1 January 1898, which was also the date that the "South African Postal Union Convention" came into effect. The postal orders are inscribed in Afrikaans. Issued postal orders do not have counterfoils attached, as the counterfoils were kept by the post office for recording purposes. Any postal orders with counterfoils still attached are from books souvenired after the post office was captured during the Second Boer War. The South African Republic was the first country, along with the Orange Free State, to declare postal