Moreover, other countries with territory along the ridge (Brazil, Cape Verde, Spain, Portugal, and the United Kingdom) could join the nomination process or re-nominate for a serial site their properties already inscribed on the World Heritage List. Canary Islands or Azores) or only the mountainous ridge itself. It could include the whole opening of the Atlantic Ocean with all the volcanic islands (e.g. One of the most important questions remains how to define the limits of the phenomenon of the MAR. The “Mid-Atlantic Ridge Expert Workshop” in Reykjavik (Iceland) on 16 January 2007 gathered specialists from Norway, Iceland and UNESCO’s World Heritage Centre and Nordic World Heritage Foundation to discuss the outlines of this joint nomination. The meeting identified the need for a more detailed review of the potential heritage values of the MAR through an expert meeting and development of a strategy for international co-operation in respect of a possible serial trans-boundary nomination for the MAR. Most of the submarine part hast to be left out of consideration, because almost the totality of the underwater ridge lies outside any national territory and therefore is not covered by provisions of the World Heritage Convention. Discussions focused on the areas where the highest peaks of the mountain chain reach sea-level and shape islands. on geological conservation, representatives from Norway, Iceland, Azores,the United Kingdom, IUCN and UNESCO met to review the geological and biological heritage of the MAR in the North Atlantic. In the context of the “Earth Heritage-World Heritage” conference at the Dorset- and Devon Coast (September 2004, United Kingdom). Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves (Brazil) (2001).Gough and Inaccessible Islands United Kingdom (1995, 2004 ).Landscape of the Pico Island Vineyard Culture Portugal (2004 ).Þingvellir National Park, Iceland (2004 ).The following properties are inscribed on the World Heritage List, but not for their geological values of the sites they were inscribed on the basis of cultural and/or natural criteria: Outstanding Universal Value was recognized for some of the properties located on islands associated with the MAR. Most of the ridge system is under water but forms land as a set of volcanic islands of varying size that run the length of the Atlantic Ocean. These plates are still moving apart, so the Atlantic is growing at the ridge, at a rate of about 2.5 cm per year in an east-west direction. The MAR separates the North American Plate from the Eurasian Plate in the North Atlantic, and the South American Plate from the African Plate in the South Atlantic. Its discovery led to the theory of seafloor spreading and general acceptance of Wegener's theory of continental drift. The MAR is about 3 km in height above the ocean floor and 1000 to 1500 km wide, has numerous transform faults and an axial rift valley along its length. The Mid-Atlantic Ridge (MAR) is a mostly underwater mountain range in the Atlantic Ocean that runs from 87°N -about 333km south of the North Pole- to subantarctic Bourvet island at 54°S. The mid ocean ridge systems are the largest geological features on the planet.
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