- lewisian
- lew·i·sian
English syllables. 2014.
lewisian
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Lewisian Complex — ▪ geology also called Lewisian Gneiss, major division of Precambrian rocks in northwestern Scotland (the Precambrian began with the formation of the Earth s crust about 3.8 billion years ago and ended 540 million years ago). In the… … Universalium
Lewisian — [lu: ɪsɪən] adjective Geology of or denoting the earlier stage of the Proterozoic aeon in NW Scotland, when the oldest rocks in Britain were deposited. Origin C19: from the island of Lewis in the Outer Hebrides (where the chief outcrops of these… … English new terms dictionary
lewisian — (ˈ)lü|izh(ē)ən adjective Usage: usually capitalized Etymology: Lewis, northern part of the island of Lewis with Harris, Outer Hebrides + English ian : of, relating to, or constituting a division of the Precambrian see geologic time table … Useful english dictionary
Ultra-high-temperature metamorphism — (UHT) represents extreme crustal metamorphism with metamorphic temperatures exceeding 900 °C (Harley, 1998 Geol. Soc. Lond; Brown, 2007 Int. Geol. Rev.; Kelsey, 2008 Gondwana Res.; Santosh and Omori, 2008a Gondwana Res.). Granulite facies rocks… … Wikipedia
Gneiss — rock Augen gneiss from Rio de Janeiro, Brazil … Wikipedia
Outer Hebrides — Eilean Siar and Western Isles redirect here. The term Na h Eileanan Siar (Western Isles), which redirects here, can also refer to the whole of the Hebrides. For the Scottish Parliament constituency, see Western Isles (Scottish Parliament… … Wikipedia
Rùm — Infobox Scottish island GridReference=NM371982 celtic name=Rùm norse name=possibly rõm øy meaning of name=Gaelic isle of the ridge (i dhruim), Norse wide island but may be pre Celtic area=10,463 ha area rank=15 highest elevation=Askival 812 m… … Wikipedia
Durness — Coordinates: 58°34′N 4°45′W / 58.57°N 4.75°W / 58.57; 4.75 … Wikipedia
Ben More Assynt — Infobox Mountain Name = Ben More Assynt Photo = Ben More Assynt from Conival.jpg Caption = Ben More Assynt from Conival. Elevation = 998 m (3,274 ft) Location = Assynt, SCO Range = Northwest Highlands Prominence = 835 m Ranked 26th in British… … Wikipedia
North West Highlands Geopark — Knockan Crag The North West Highlands Geopark is a geopark in the Scottish Highlands. Awarded UNESCO geopark status in 2004,[1] it features some of the oldest rocks in Europe, around 3,000 million years old … Wikipedia
