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- Nd Sr Pb isotope systematics tracing on Paleo Tethyan volcanic rocks in the Sanjiang(Jinshajiang Lancangjiang Nujiang) shows that there exist depleted and primitive mantle reservoirs in the Sanjiang area during the Paleo Tethyan period. Nd- Sr- Pb同位素体系对三江地区古特提斯火山岩的示踪结果表明 ,古特提斯时期三江地区存在亏损和近原始两种地幔储库。
- Keywords Ultyamafic inclusions;Primitive mantle;Residual mantle;Mantlemetasomatism;Spinel lherzolite;Websterite; 超镁铁质岩包体;原始地幔;残余地幔;地幔交代;尖晶石二辉橄榄岩;二辉岩;
- 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。
- His art is primitive and provincial. 他的艺术原始而粗野。
- Primitive people often lived in caves. 原始人常常住在山洞里。
- 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。
- Primitive peoples deified the sun. 原始部落将太阳奉为神。
- 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
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
- Primitive man made tools from sharp stones and animal bones. 原始人用尖石块和动物的骨制造工具。
- A primitive hand-turned grain mill. 手推磨一种原始的手推碾谷磨
- The book is about the mythologies of primitive races. 这本书是原始民族神话集。
- Primitive in culture and customs; uncivilized. 野蛮的,未开化的文化和习惯原始的; 不文明的
- Small seashells were often used as a primitive kind of money. 小贝壳常被用作简单的货币。
- primitive mantle 原始地幔
- 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。
- primitive mantle melts 原始地幔熔融体
- Living conditions in the camp were pretty primitive. 营地的生活条件甚为原始。
- The trees were clothed in a white mantle of frost. 树披上了一层白霜的服装。