|
Marianas trench
Book article from: The Columbia Encyclopedia, Sixth Edition
Marianas trench Marianas trough, or Marianas deep , elongated depression on the Pacific Ocean floor, 210 mi (338 km) SW of Guam. It is the deepest (35,798.6 ft/10,911.5 m at the Challenger Deep) known depression on the earth's...
|
|
trench
Book article from: The Oxford Companion to Ships and the Sea
...000 metres (19,700 ft). Trenches occur along the active margins...recorded was associated with a trench off Chile. The active margin...Offshore lies a series of trenches. The older the ocean crust, the deeper the trench, because the crust is colder...The deepest of all is the Marianas ...
|
|
Mariana Islands
Book article from: World Encyclopedia
...stretching over 800km (500mi) of the Marianas Trench, c. 2400km (1500mi) e of the...and the islands of the Northern Marianas: Saipan, Tinian, Rota, Pagan...the islands were renamed the Marianas in 1668. The Northern Marianas...
|
|
Jacques Piccard
Encyclopedia entry from: Encyclopedia of World Biography
...Piccard's father to the deepest spot on earth, the Marianas Trench in the western Pacific, in a record seven-mile...began a descent to 36, 000 feet in a chasm of the Marianas Trench known as Challenger Deep. The bathyscaphe carried...
|
|
Challenger, HMS
Book article from: The Oxford Companion to Ships and the Sea
...took hundreds of soundings , including the first one of the Marianas Trench , also making the discovery that there were mid-ocean ridges...ship of the same name were able to sound the bottom of the Marianas Trench for the first time.
|
|
oceans
Book article from: The Oxford Companion to Ships and the Sea
...continents. Here occur the deepest depths in trenches of over 6,000 metres (20,000 ft...11,015 metres (36,130 ft) in the Marianas Trench is the deepest anywhere. Its total volume...31,350 ft) is in the Puerto Rico Trench. It is the only ocean with a deep...
|
|
underwater vehicles
Book article from: The Oxford Companion to Ships and the Sea
...built the bathyscaphe Trieste , in which his son Jacques, together with Don Walsh, dived to the bottom of the Marianas Trench in January 1960; an achievement repeated in 1995 by a Japanese ROV. In the early 1960s deep submersibles, often...
|
|
Auguste Piccard
Book article from: The Columbia Encyclopedia, Sixth Edition
...1960 Jacques Piccard, with U.S. Navy Lieutenant Donald Walsh, descended to 35,800 ft (10,912 m) in the Marianas Trench . Jacques's son Jacques Piccard, 1958-, is also a balloonist; in Mar., 1999, he and Briton Brian Jones became...
|
|
Pacific Ocean
Book article from: The Columbia Encyclopedia, Sixth Edition
...deep-sea plain. The greatest known depth (35,798.6 ft/10,911.5 m) is in the Challenger Deep in the Marianas trench c.250 mi (400 km) SW of Guam. Rising from the plain are swells (many of which are volcanic), seamounts, and...
|
|
oceanography
Book article from: The Columbia Encyclopedia, Sixth Edition
...great depths, such as the U.S. bathyscaphe, Trieste II, which descended to 35,798 ft (10,294 m) in the Marianas Trench in 1960. Smaller, remote-controlled craft, such as the Jason, which was used to examine the sunken steamship...
|