29:
211:
The shallow and flat summit of the Great Meteor
Seamount, ranging between 150 and 300 m (490 and 980 ft) below sea level, suggests that it may have emerged sometime in the past 30 million years. It is covered by a 150 to 600 m (490 to 1,970 ft) thick layer of
526:
Geldmacher, Jörg; Hoernle, Kaj; Klügel, Andreas; Bogaard, Paul v. d.; Wombacher, Frank; Berning, Björn (2006-09-01). "Origin and geochemical evolution of the
Madeira-Tore Rise (eastern North Atlantic)".
306:, the oldest in the chain, about 100 to 103 million years ago. Over the course of millions of years, it continued creating the rest of the seamounts, eventually culminating in the
662:
322:
from the Great Meteor
Seamount has given ages of about 11 and 16 million years old, with the bulk of the seamount possibly having formed about 22 million years ago.
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246:, roughly oriented NNE-SSW, with its peak at 1,400 m (4,600 ft) depth and covering an area of approximately 390 km (150 sq mi), and the
491:
Wendt, I.; Kreuzer, H.; Müller, P.; Rad, U. von; Raschka, H. (1976). "K-Ar age of basalts from Great Meteor and
Josephine seamounts (eastern North Atlantic)".
409:"Interaction between the Mid-Atlantic Ridge and the Azores hot spot during the last 85 Myr: Emplacement and rifting of the hot spot-derived plateaus"
647:
575:
90:
620:
466:"Composition of bioclastic sands, carbonates and pyroclastic rocks of the Great Meteor and Josephine Seamounts, eastern North Atlantic"
291:
250:, located NNE of Closs, with over 960 km (370 sq mi) and a flat top 400 m (1,300 ft) below sea level.
570:
242:
Two small seamounts exist just southwest of Great Meteor and are encircled by the −3800 m bathymetric line. These are the
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underlying Great Meteor has an age of 85 million years, deduced from the magnetic anomaly 34 (An34) at this location.
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314:, the hotspot eventually traveled further east, forming the Great Meteor Seamount where it is found today.
236:
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to the west, the hotspot gradually moved offshore. On a southeasterly course, the hotspot formed
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in the North
Atlantic with a volume of 24,000 km (5,800 cu mi). It is one of the
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The unique ecological condition of the Great Meteor
Seamount is shown by the many endemic
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10.7 ± 0.5 and 16.3 ± 0.4 million years old, respectively. The oldest sample has been
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636:
512:
372:
Verhoef, Jaap (1984). "A Geophysical Study of the
Atlantis-Meteor Seamount Complex".
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172:
144:
450:
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33:
Great Meteor
Seamount at the southern edge of the Atlantis-Meteor Seamount Complex
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from the top of the eastern and southeastern flanks of the seamount have been
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about 83 million years ago. As the
Atlantic Ocean continued to
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407:
Gente, Pascal; Dyment, Jérôme; Maia, Marcia; Goslin, Jean (2003-10-01).
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discovered the tablemount in 1938. It was given the name Great Meteor
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Hekinian, Roger; Stoffers, Peter; Cheminée, Jean-Louis (2012).
609:
Oceanic
Hotspots: Intraplate Submarine Magmatism and Tectonism
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124 to 100 million years ago when the
571:"Geological Origin of the New England Seamount Chain"
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A large guyot in the Southern Azores Seamount Chain
200:, rooted on a large terrace located south of the
580:National Oceanic and Atmospheric Administration
597:Revised August 25, 2010 by the Ocean Explorer
493:Deep Sea Research and Oceanographic Abstracts
8:
663:Former islands from the last glacial maximum
529:Journal of Geophysical Research: Solid Earth
271:, a designation still used in the official
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576:Office of Ocean Exploration and Research
298:was directly overhead. As the continent
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7:
413:Geochemistry, Geophysics, Geosystems
14:
27:
648:Seamounts of the Atlantic Ocean
239:at 17 ± 0.3 million years old.
464:Ulrich, von Rad (1974-11-14).
1:
50:4,500 m (14,800 ft)
513:10.1016/0011-7471(76)90852-4
585:U.S. Department of Commerce
679:
26:
296:North American continent
42:270 m (890 ft)
186:Great Meteor Tablemount
106:29.952944°N 28.592028°W
478:10.1594/pangaea.548422
374:Geologica Ultraiectina
248:Little Meteor Seamount
360:Great Meteor Seamount
182:Great Meteor Seamount
111:29.952944; -28.592028
22:Great Meteor Seamount
549:10.1029/2005jb003931
434:10.1029/2003gc000527
541:2006JGRB..111.9206G
505:1976DSROA..23..849W
425:2003GGG.....4.8514G
288:New England hotspot
102: /
316:Radiometric dating
308:Nashville Seamount
198:Seewarte Seamounts
184:, also called the
150:Seewarte Seamounts
58:50x28 km (1465 km)
658:Miocene volcanoes
653:Hotspot volcanoes
622:978-3-642-62290-8
218:pyroclastic rocks
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192:and the largest
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615:. p. 116.
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535:(B9): B09206.
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499:(9): 849–862.
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244:Closs Seamount
202:Azores Plateau
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161:Discovery date
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73:Atlantic Ocean
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304:Bear Seamount
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169:Discovered by
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589:. Retrieved
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419:(10): 8514.
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358:SPOTLIGHT 5
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97:28°35′31.3″W
94:29°57′10.6″N
39:Summit depth
386:1874/238521
290:formed the
237:Ar/Ar dated
109: /
84:Coordinates
55:Summit area
637:Categories
342:References
233:K–Ar dated
227:. Dredged
225:sandstones
222:bioclastic
557:2156-2202
443:1525-2027
394:0072-1026
380:: 1–153.
338:species.
282:Formation
276:gazetteer
214:limestone
139:Volcanic
613:Springer
591:14 April
451:56297775
336:nematode
194:seamount
68:Location
63:Location
537:Bibcode
501:Bibcode
470:Pangaea
421:Bibcode
332:copepod
326:Ecology
300:drifted
229:basalts
188:, is a
156:History
122:Geology
643:Guyots
619:
587:. 2005
555:
449:
441:
392:
320:basalt
312:spread
262:Meteor
255:German
204:. The
173:Meteor
77:Azores
71:North
47:Height
447:S2CID
273:GEBCO
206:crust
190:guyot
145:chain
133:Guyot
617:ISBN
593:2014
553:ISSN
439:ISSN
390:ISSN
334:and
286:The
268:Bank
253:The
220:and
180:The
164:1938
128:Type
545:doi
533:111
509:doi
474:doi
429:doi
382:hdl
318:of
141:arc
639::
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497:23
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378:38
376:.
350:^
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384::
143:/
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
