Falkland Islands sovereignty dispute Falkland Islands sovereignty dispute Sovereignty over the Falkland Islands () is disputed by Argentina and the United Kingdom. The British claim to sovereignty dates from 1690, and the United Kingdom has exercised "de facto" sovereignty over the archipelago almost continuously since 1833. Argentina has long disputed this claim, having been in control of the islands for a few years prior to 1833. The dispute escalated in 1982, when Argentina invaded the islands, precipitating the Falklands War. Contemporary Falkland Islanders overwhelmingly prefer to remain British. They gained full British citizenship with the British Nationality (Falkland Islands) Act 1983, after British victory
Geology of the Falkland Islands basin suggests that whatever quantity of petroleum was produced could have migrated laterally and thus could be trapped in rift reservoirs developed below and to the side of the source rock and could function—given its low level of porosity—as a seal for the deeper rock and would only be cut on the borders where it is intruded upon by faults. Geology of the Falkland Islands The geology of the Falkland Islands is described in several publications. The Falkland Islands are located on a projection of the Patagonian continental shelf. In ancient geological time this shelf was part of Gondwana, which