permafrost rocks

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• permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …   Universalium

• Life zones of Peru — When the Spanish arrived, they divided Peru (very simplistic) in three main regions: the Coastal region (11.6% of Peru), that is bounded by the Pacific Ocean; the Highlands (28.1% of Peru), that is located on the Andean Heights, and the Jungle,… …   Wikipedia

• ММП — нефт. межмерзлотные породы permafrost rocks (PFR) …   Универсальный дополнительный практический толковый словарь И. Мостицкого

• glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …   Universalium

• arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …   Universalium

• Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean …   Universalium

• Alaskan mountains — ▪ mountains, United States Introduction       three principal mountain groups the Brooks Range, Alaska Range, and Aleutian Range found in Alaska.  The mountain ranges of Alaska give their state a rugged and beautiful terrain across its entire… …   Universalium

• North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium

• New Siberian Islands — The New Siberian Islands. Location of the New Siberian Isla …   Wikipedia

• Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… …   Wikipedia

• Kotelny/Faddeyevsky Island — Kotelny Island ( ru. Остров Котельный) and Faddeyevsky Island (О. Фаддеевский) are part of the Anzhu Islands subgroup of the New Siberian Islands located between the Laptev Sea and the East Siberian Sea in the Russian Arctic. They are usually… …   Wikipedia