| 1. | Oceanic islands are sometimes deficient in animals of certain whole classes . 海洋岛屿上有时缺少某整纲所有的动物。 |
| 2. | Oceanic islands , particularly in the pacific , form minor provinces 大洋岛尤其是太平洋形成次级区。 |
| 3. | Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment 岩石化学特征表明火山岩形成于洋岛构造环境。 |
| 4. | Establish and genesis of oceanic island basic volcanic rock early carboniferous in northern of daxing ' anling 大兴安岭北段早石炭世洋岛型玄武岩的确立及成因意义 |
| 5. | The internal mineral separates and whole - rock sm - nd isochron age for gabbro dikes from the dangqiong ophiolite is 373 ? 8ma , inferring a magmatic activity during late devonian , which end ( t ) = + 3 . 3 suggests that its tectonic setting was probably oceanic island 其nd ( t ) = + 3 . 3 ,认为其时形成环境为洋岛,可能代表了新特提斯蛇绿岩形成时所携带的古老洋壳。 |
| 6. | The early tertiary alkali basalts from yangyuan which contain abundant mantle xenoliths exhibit very homogeneous sr - nd isotopes with snd = 5 . 5 . their pb isotopes are similar to those of the depleted mantle ( dm ) and their trace element characteristics resemble those of oceanic island basalts ( oib ) 含幔源包体的阳原早第三纪碱性玄武岩具有均一的sr - nd同位素组成( nd 5 . 5 ) ,其pb同位素组成与亏损地幔( dm )相似。 |
| 7. | What makes this island special is that it is the only oceanic island not connected to the continental shelf in malaysia rising 2 , 000 feet 600 meters on a limestone pinnacle that mushrooms out near the surface . pulau sipadan have the largest variety of soft corals in the world . turtles swim and frolic freely in the waters around sipadan and divers will find lobster , barracudas , beautiful coral fishes and sometimes even sharks swimming by 其蘑菇形石柱岛,深入海底1000米,露出地面的浅水处,各式咸水鱼成群,不谙泳术只玩浮潜,也够大开眼界深谙潜水者,当然是到深海峭壁探险,在水深30米跟成群大海铁头鱼鲨鱼及东星斑等来个大合照。 |