oceanic造句
1. In the east, the water is mainly oceanic with relatively minor dilution from direct monsoonal rainfall and runoff from small streams.
2. Many oceanic islands are volcanic.
3. Continental lithosphere stands higher than oceanic lithosphere because continental crust is both of greater thickness and lower density than oceanic crust.
4. Tiny oceanic microorganisms solidify carbon and oxygen gases dissolved in sea water to produce a salt which settles on the sea floor.
5. She was married to Milton Hayes, an Oceanic Lines purser, in 1929.
6. Where oceanic lithosphere is subducted beneath another oceanic part of a plate the associated volcanic activity and produce an intra-oceanic island arc.
7. Subduction of oceanic lithosphere beneath a plate carrying continental crust gives rise to a continental-margin orogen.
8. Such mountain belts develop when the oceanic lithosphere originally lying between two continents is eventually consumed.
9. Oceanic drift-nets are literally wiping out life over huge tracts of the world's oceans.
10. Because of the nature of oceanic impacts[http:///oceanic.html], close observers of large impacts can not survive.
11. Hess mistakenly thought that the oceanic crust consisted of altered peridotite, the material of the mantle itself.
12. Oceanic lithosphere has a mean density rather close to that of the immediately underlying asthenosphere.
13. The second category is closely related to oceanic trenches and their associated island arcs or mountain belts.
14. Its purpose is to gather sufficient information to answer questions about magma chambers in oceanic crust.
15. It is incontrovertible that there has been long-continued subsidence on many oceanic atolls.
16. Darwin himself had explained the strange inhabitants of isolated oceanic islands such as the Galapagos in terms of accidental migrations from the nearest mainland.
17. Perhaps belatedly, many more countries are now coming to understand the damage caused by oceanic drift-nets.
18. This proposed that mid-oceanic ridges represent regions where new oceanic crust is being generated by the upwelling of hot mantle material.
19. This would be expected from differences in the density and thickness of continental and oceanic crust.
20. Comparison of their chemistry with that of magmas erupted on oceanic islands demonstrates the plumes differ chemically from the upper mantle.
21. Thus the volcanic rocks formed are drastically different from their oceanic counterparts.
22. The sequence of continental-margin orogen development begins with the subduction of oceanic lithosphere at, or close to, a continental margin.
23. Basalts are the rocks which are formed at mid-ocean ridges, and which make up the entire oceanic crust.
24. From these observations, Hofmann and I proposed that plumes consist in part of deeply subducted oceanic crust and sediment.
25. Power surfers are towed behind a jet-ski into massive oceanic swells that move too fast to catch by paddling conventional surfboards.
26. The upper layer of a plate is composed of either oceanic or continental crust or both.
27. This period was sufficiently long for the widespread planation of oceanic islands, many of them volcanic.
28. They do not fly to catch insects flying fish are largely oceanic and flying insects are rare over the open sea.
29. Some of the sea-floor sediments, muds, and oozes sitting on top of the oceanic plate also get melted.
30. Group numbers in dolphins may reach into the thousands and oceanic dolphins may gather in numbers exceeding 100,000.
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