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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。
- orogenic peridotite 造山带橄榄岩
- The Songsugou peridotite in Shangnan, Shaanxi Province is an important but petrogenetically debated ultramafic massif in the Qinling orogenic belt. 陕西商南县松树沟橄榄岩体是秦岭造山带中具重要意义和争议较大的岩体。
- Abstract The Songsugou peridotite in Shangnan, Shaanxi Province is an important but petrogenetically debated ultramafic massif in the Qinling orogenic belt. 摘要陕西商南县松树沟橄榄岩体是秦岭造山带中具重要意义和争议较大的岩体。
- This may be up to 50km thick and comprises ultrabasic peridotite. 其厚度可达50公里并由超基性的橄榄岩所组成。
- Serpentinite-is the least altered member of the peridotite suite. 蛇纹岩-是橄榄岩组蚀变最轻微的分子。
- Serpentinite is the least altered member of the peridotite suite. 蛇纹岩是橄榄岩组蚀变最轻微的分子。
- The magnesite originated from the peridotite by weathering. 菱镁矿是由橄榄岩风化形成的。
- The final target is to attempt to define the fine orogenic course. 综合上述三方面的成果,最终实现精细的造山过程研究。
- The region belongs to a complex intracontinental orogenic belt. 构造复杂,是典型的陆内造山带发育地区。
- UHP rocks;accretionary wedge;Dabie-Sulu Orogenic belt. 英文主题词: Low-grade metamorphic rocks;
- Below the lithosphere is the rheosphere comprising partly fused peridotite. 岩石圈之下是由部分熔融的橄榄岩所组成的软流圈。
- Basalt,olivine basalt and peridotite buried in deep strata may act just as the melten iron in laboratory. 地下深处的玄武岩、橄榄玄武岩和橄榄岩与实验室条件下的熔融铁类似。
- The chromite deposits in the Muskox Complex occur only in feldspathic peridotite. 在穆斯科克斯杂岩体中,铬铁矿矿层仅产于长石质橄榄岩中。
- There is a part of Hercynian granite plutons of the North Qinling Orogenic Belt in siziping region of Henan Province. 北秦岭造山带狮子坪地区出露部分海西期花岗深成岩体。
- A rock formation in South Africa containing peridotite, in which diamonds are formed. 金伯利岩南非的一种包含橄榄岩的岩层,岩层中形成了钻石
- Petrology of jadeite-bearing serpentinized peridotite and its country rocks from Northwestern Myanmar (Burma). 缅甸含硬玉的蛇纹石化橄榄岩及其围岩的岩石学研究
- The peridotite xenoliths that their chondrite-normalized normalized PGE patterns are decline have lower gold content. 而强亏损型橄榄岩包体的铂族元素球粒陨石标准化分布模式呈下降趋势,且对应橄榄岩包体的金质量分数均较低。
- 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 chemical composition of spinel showed that peridotite was formed in deep oceanic settings. 尖晶石的化学特征表明蛇绿岩中的橄榄岩为深海橄榄岩;