depleted mantle

基本解释

• 贫化地幔；亏损地幔

英汉例句

双语例句

• Sr isotopes of the rhyolites suggest that the volcanic rocks were chiefly derived from the depleted mantle source. Such a characteristic of rhyolites is very rarely seen.
  该区流纹岩其源区物质主要来自于亏损地幔或是由玄武岩浆演化经分离结晶作用形成的流纹岩这一特征是十分罕见的。
• Integrated study indicates that the two protolith suites of mantle peridotites represent remnants after polyphase melting of differently depleted mantle in different tectonic environments.
  综合研究表明该两套地幔岩原岩组合代表了不同亏损程度和不同构造环境下多期熔融的地幔残余。
• The chemical characteristics indicate that the protolith of eclogites were possibly tholeiite with a continental affinity, whereas the garnet peridotites were derived from a depleted mantle.
  地球化学研究揭示，榴辉岩的原岩很可能是形成在大陆内部构造环境的拉斑玄武岩，而石榴石橄榄岩可能是起源于亏损的残余地幔。

• depleted mantle更多例句

词组短语

短语

• depleted MORB mantle 亏损
• depleted d mantle 贫化地幔
• depleted mantle source 亏损的地幔源
• Nd depleted mantle model age Nd 亏损地幔模式年龄
• model age to depleted mantle 亏损地幔模式年龄

• depleted mantle更多词组

专业释义

地球科学

• 亏损地幔

  We chose Ln(Co*Cr*Ni), Nb/Ta, plumbum isotopes composition, neodymium isotope two stage model age of depleted mantle (T2DM) andεNd(t) indexs to express the information and give the introduction of theory in the relevant chapters.2.
  笔者尝试提出用Ln(Co*Ni*Cr)、Nb/Ta、铅同位素、钕同位素二阶段亏损地幔模式年龄（T2DM）及εNd(t)等地球化学指标表达以上信息，并在相应的章节对指标进行了理论介绍。

• 贫化地幔
• 亏损地幔端元