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- On the basis of our studies, orogenic peridotites can be classified into subcontinental peridotite, intrusive mafic-ultramafic cumulate complex and oceanic mantle peridotite. 根据现有的研究,可将俯冲带橄榄岩大致分为陆下地幔橄榄岩、基性-超基性堆晶杂岩和大洋地幔橄榄岩。
- It is derived from the partial melting of mantle peridotite metasomatized by slab melts. 由于富铌玄武岩与埃达克岩是大洋板片俯冲作用的直接产物,因此,通过对该岩石组合及与俯冲作用有关的流体和熔体的研究,不仅可以查明洋壳俯冲作用过程中的岩浆活动特征,还可以阐明洋壳俯冲及壳幔相互作用,具十分重要的地质意义。
- The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite. 摘要该蛇绿岩带的岩体由地幔橄榄岩组成,主要岩石类型是方辉橄榄岩和纯橄榄岩,缺少典型蛇绿岩剖面中的洋壳单元。
- The osmium isotopic compositions and model age of mantle peridotite xenoliths from Jiangsu-Anhui area and their geological significance. 苏皖地区幔源橄榄岩捕虏体的锇同位素组成、模式年龄及其意义。
- Cr ore deposits are genetical divided into 2 types ie. magmatic type and relic and stagnated type of metamorphosed mantle peridotite. 铬铁矿床成因可分为两大类:岩浆铬铁矿床和地幔变质橄榄岩残、滞留铬铁矿床。
- Our results show that the two-pyroxenes geothermometer proposed by Bertrand and Mercier(1985)is the best one update for estimating temperatures of the mantle peridotite xenoliths. Their method of calibration also has a general significance. 结果表明:(1)Bertrand and Mercier(1985)提出的二辉石温度计是目前为止最适合用于幔源包体的温度估计,其推导方法也有普遍意义。
- ROUNDED MINERAL INCLUSIONS IN XENOLITHS FROM SOME AR EAS OF EASTERN CHINA AND THEIR BEARING ON THE ANNEALING TIME OF MANTLE PERIDOTITES 我国东部某些地幔岩中圆形矿物包裹体及地幔岩退火时间的探讨
- The earth has a core and a mantle around it. 地球的中心是地核,地核的周围是地幔。
- The mountain was covered with a mantle of snow. 山上覆盖着一层雪。
- Mantle drove in two runs with a single and a sacrifice fly. 曼特耳以一个一垒打和一高飞牺牲打来使二人跑垒得分。
- mantle peridotites 地幔橄榄岩
- A covering resembling a cloak or mantle. 斗篷状覆盖物一种类似长袍或斗蓬的遮盖物
- The earth have a core and a mantle around it. 地球的中心是地核,地核的周围是地幔。
- The trees were clothed in a white mantle of frost. 树披上了一层白霜的服装。
- The greater the extent of mantle melting,the more depleted the peridotites,and the higher the excess olivine contents. 地幔熔融程度越高,深海橄榄岩越亏损,则含有越多的过量橄榄石。
- And a host of new leaders rose to claim his mantle. 于是一批新领导人纷纷起来继承他的衣钵。
- The earth bore a thick green mantle of vegetation. 大地覆盖着一层厚厚的绿色植物。
- The light loose mantle was thrown over his tunic. 一件轻质宽大的斗蓬披在上衣外面。
- The earth had donned her mantle of brightest green. 大地披上了苍翠欲滴的绿色斗篷。
- The mantle of a mollusk, brachiopod, or bird. 外套膜软体动物、腕足类动物或鸟的套膜