seafloor spreading
121Seawater — in the Strait of Malacca Seawater is water from a sea or ocean. On average, seawater in the world s oceans has a salinity of about 3.5% (35 g/L, or 599 mM). This means that every kilogram (roughly one litre by volume) of seawater has… …
122Deep-ocean Assessment and Reporting of Tsunamis — A diagram of the Dart II System A tsunami b …
123Zealandia (continent) — Topography of Zealandia. The linear ridges running north northeast and southwest away from New Zealand are not considered part of the continental fragment, nor are Australia (upper left), Fiji or Vanuatu (top centre).[1] …
124Mont hydrothermal — Une cheminée hydrothermale dans l océan Atlantique Les monts hydrothermaux, cheminées hydrothermales, sources hydrothermales ou fumeurs, sont des évents hydrothermaux situés à proximité des dorsales océaniques. Ils sont une conséquence des… …
125earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …
126Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …
127Clarion Fracture Zone — ▪ geological formation, United States submarine fracture zone, 3,200 miles (5,200 km) in length, defined by one of numerous transform faults traversing the northern part of the East Pacific Rise in the floor of the Pacific Ocean. It was… …
128Easter Fracture Zone — ▪ Pacific Ocean submarine fracture zone in the southeastern Pacific Ocean, defined by one of the major transform faults traversing the northern part of the East Pacific Rise. The Easter Fracture Zone is 3,700 miles (5,900 km) long,… …
