inthis article, the relationship of odp with the research of oceanic crust is discussed.
本文论及了odp与大洋地壳研究的关系。
continental crust averages some 25 miles (40 kilometers) thick, although it can be thinner or thicker in some areas. oceanic crust is usually only about 5 miles (8 kilometers) thick.
大陆地壳平均厚度25英里(40公里),虽然在某些区域会稍厚或稍薄。
both oceanic crust and continental crust type volcanic actions influenced the forming of the great ice age.
洋壳型火山与陆壳型火山共同作用形成大冰期。
the oceanic crust thus serves as a magnetic tape recording of the history of the geomagnetic field that can be dated independently;
这样海洋壳就扮演了磁带的角色,记录下可以鑒定时 间的地磁场的历史。
in subduction zones, where older and colder oceanic crust descends beneath another tectonic plate, deep focus earthquakes may occur at much greater depths (up to seven hundred kilometers).
yellow sea area, located between the margin of china「s mainland and the oceanic crust of the western pacific ocean, has transitional crustal structure.
中国大陆边缘和西太平洋洋壳之间的黄海海域,属于过渡型地壳结构。
degassing impulses give rise to the strengthening of oceanic crust spreading which is correlated with phases of diastrophism creating folded orogenic belts.
排氢脉沖导致洋壳扩张的增强,而此则与创造出造山带的地壳变动幕相关。
some archean greenstone belts represent collages of allochthonous fragments, among which oceanic crust slices are identified with characteristics distinct from the phanerozoic ophiolites.
部分太古宙绿巖带由不同的构造单元拼合而成,并发育不同于显生宙蛇绿巖的大洋壳巖石组合。
by 2011 scientists aboard a japanese deep-sea drilling ship called chikyu hope to start drilling through a thin piece of oceanic crust to reach earth」s mantle.