16 years or older when the passport was issued, then your passport is valid for 10 years. 15 years or younger when the passport was issued, then your passport is valid for five years.
Iceland sits spanning the Mid-Atlantic Ridge tectonic plate boundary which separates the Eurasian and the North American plates. The ridge, an underwater mountain chain, extends about 16,000 km along the north-south axis of the Atlantic Ocean.celand formed by the coincidence of the spreading boundary of the North American and Eurasian plates and a hotspot or mantle plume â an upsurge of abnormally hot rock in the EarthÂ´s mantle.
Chemically, rocks in Iceland reflect their origin at a hot spot in the middle of the ocean. Another such hot spot-they are 25-30 in all-is Hawaii in the Pacific Ocean which is characterised by many of the same types of rock as Iceland. There is, however, one interesting exception:(dacite and rhyolite) are much more common in Iceland than in Hawaii, where such rocks are almost totally absent, and in fact Iceland is probably quite unique among oceanic islands in this respect.sked By. Kristjan KristjÃ¡n HeiÃ°ar. Johannsson jÃ³hannsson igneous rocks are classified on the basis of two, independent variables the chemical composition of the magma from which, they crystallised and the external conditions-of crystallisation fast, or slow Atâthe earth, s surface, in water or deep Within. the earth