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 Gibraltar postal administration of the country in which the order is issued so allows, a current stamp for denoting a rate of postage of that country, but no other stamps may be used. A charge for poundage is applied according to the rates applicable when the order is issued. Postal Orders of Gibraltar British postal orders are currently issued in Gibraltar by the Royal Gibraltar Post Office. In accordance with the "Postal Order Regulations of 1961", postal orders may be issued for the following sums: The value of a postal order may be increased by affixing postage stamps not exceeding two