生物学家日前於中大西洋海脊(the Mid-Atlantic Ridge)海底2千7百公尺处发现一种新的深海槲实虫(acorn worm)。根据11 …tw.myblog.yahoo.com|基于24个网页 2. 中洋脊 托福橘宝书自然科学词汇:... ... oceanic crust( 海洋板块) the mid-atlantic ridge( 中洋脊) seafloor spreading( 海洋板块 …www.en88...
When considered in relation to adjoining active seismic zones, reported historic seismicity of Iceland, and the location of the mid-Atlantic ridge and areas of active rifting and volcanism, the existence of a transform fault is suggested, following the methods used by Sykes (1967) to outline ...
Iceland is a volcanic island primarily because of its location on the Mid-Atlantic Ridge, which separates the North American and Eurasian Earth plates. This causes the island to be active geologically, as the plates are constantly moving away from each other. In addition, Iceland lies on a hot...
Location: Covers Antarctica and the surrounding oceanic crust. Characteristics: Primarily oceanic with some continental crust. Interactions: Divergent boundaries with many other plates, leading to mid-ocean ridge formation. 9. Nazca Plate Location: West of South America, beneath the Pacific Ocean. Chara...
Ocean bottom seismometers have also been used to study ridge seismicity, but the results to date have been fairly limited.doi:10.1038/246088a0REID, IANMACDONALD, KENNature Publishing Group UKNatureReidI. and MacdonaldK. C.: 1973, ‘Microearthquake Study of the Mid-Atlantic Ridge Near 37° ...
Epicentral location on the Mid-Atlantic ridge is still too crude to allow precise correlations with physiographic features and depth determination has not progressed beyond a qualitative "shallow". Only by direct seismographic observations on the ridge axis can we resolve these problems and understand...
Noun1.Mid-Atlantic Ridge- a very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic Atlantic,Atlantic Ocean- the 2nd largest ocean; separates North and South America on the west from Europe and Africa on...
Greenstones derived from basalts, tuffs, and dolerites were dredged at two stations on the eastern slope of the median valley of the Mid-Atlantic Ridge at 22°N latitude. The rocks consist mainly of the typical greenschist assemblage albite, actinolite, chlorite, and epidote. The greenstones re...
Marine mammals along the Mid-Atlantic Ridge between Iceland and the Azores: What do the whales tell us about this ecosystem? 来自 jpi-oceans.eu 喜欢 0 阅读量: 28 作者: Nøttestad, L 摘要: Background. Needle puncture has been suggested as a method for identifying bacteria in the bones ...
MICROEARTHQUAKE activity in the median valley of the Mid-Atlantic Ridge near 36°30′N has been monitored using expendable radio-sonobuoy arrays. Similar techniques have been used by Reid et al. 1 in the Gulf of California, Macdonald and Mudie 2 near the Galapagos spreading centre and ...