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A landslide in Papua New Guinea's Enga Province leaves thousands of people missing.
Evolution. Hybridization. Subspecies and stocks. Description. Size. Life span. Behaviour and ecology. Diet and feeding. Reproduction and birth. Vocalizations. Predators and parasites. Conservation. Threats. See also. Note. References. Further reading. External links. Blue whale.
Yellowstone National Park - Wikipedia. Contents. hide. (Top) History. Toggle History subsection. Park creation. Automobiles and further development. Research and recognition. Geography. Geology. Toggle Geology subsection. Volcanism. Geysers and the hydrothermal system. Earthquakes. Biology and ecology. Toggle Biology and ecology subsection. Flora.
Green sea turtle - Wikipedia. Contents. hide. (Top) Taxonomy. Description. Distribution. Atlantic subpopulation. Indo-Pacific subpopulation. Specific nesting grounds. Galápagos green turtle. Habitat. Ecology and behavior. Diet. Predators and parasites. Life cycle. Breathing and sleep. Physiology and sensory modalities.
- Etymology
- Geology
- Research History
- Life
- Possible Nuclear Waste Disposal Site
- See Also
- External Links
The Mariana Trench is named after the nearby Mariana Islands, which are named Las Marianas in honor of Spanish Queen Mariana of Austria. The islands are part of the island arcthat is formed on an over-riding plate, called the Mariana Plate (also named for the islands), on the western side of the trench.
The Mariana Trench is part of the Izu–Bonin–Mariana subduction system that forms the boundary between two tectonic plates. In this system, the western edge of one plate, the Pacific Plate, is subducted (i.e., thrust) beneath the smaller Mariana Plate that lies to the west. Crustal material at the western edge of the Pacific Plate is some of the old...
The trench was first sounded during the Challenger expedition in 1875 using a weighted rope, which recorded a depth of 4,475 fathoms (8,184 metres; 26,850 feet). In 1877, a map was published called Tiefenkarte des Grossen Ozeans ("Depth map of the Great Ocean") by Petermann, which showed a Challenger Tief ("Challenger deep") at the location of that...
The expedition conducted in 1960 claimed to have observed, with great surprise because of the high pressure, large creatures living at the bottom, such as a flatfish about 30 cm (12 in) long, and shrimp. According to Piccard, "The bottom appeared light and clear, a waste of firm diatomaceous ooze". Many marine biologists are now skeptical of the su...
Like other oceanic trenches, the Mariana Trench has been proposed as a site for nuclear waste disposal in the hope that tectonic plate subduction occurring at the site might eventually push the nuclear waste deep into the Earth's mantle, the second layer of the Earth. However, ocean dumping of nuclear waste is prohibited by international law. Furth...
Marianas Trench Marine National Monument, United States national monument at the trench. This National Monument protects 246,610 square kilometres (95,216 sq mi) of submerged lands and waters of th...Mariana Trench Dive (25 March 2012) – Deepsea ChallengerMariana Trench Dive (23 January 1960) – Trieste(Newsreel)Mariana Trench Dive (50th Anniv) Archived 3 June 2013 at the Wayback Machine – Trieste – Capt Don WalshZhangye National Geopark - Wikipedia. Contents. hide. (Top) Location. Landscape. Media and tourism. Gallery. See also. References. Notes. Bibliography. External links. Zhangye National Geopark. Coordinates: 38°54′55.98″N 100°7′59.52″E.
Toggle Description subsection. 1.1 Size. 1.2 Reports of large individuals. 2 Distribution and habitat. 3 Growth and reproduction. 4 Diet. 5 Relationship with humans. Toggle Relationship with humans subsection. 5.1 Behavior toward divers. 5.2 Conservation status. 5.3 In captivity. 5.4 Human culture. 6 See also. 7 References. 8 Further reading.
