depleted mantle

基本解釋

• 貧化地幔；虧損地幔

英漢例句

雙語例句

• 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.
  該區(qū)流紋巖其源區(qū)物質(zhì)主要來自于虧損地?；蚴怯尚鋷r漿演化經(jīng)分離結(jié)晶作用形成的流紋巖這一特征是十分罕見的。
• Integrated study indicates that the two protolith suites of mantle peridotites represent remnants after polyphase melting of differently depleted mantle in different tectonic environments.
  綜合研究表明該兩套地幔巖原巖組合代表了不同虧損程度和不同構(gòu)造環(huán)境下多期熔融的地幔殘余。
• 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.
  地球化學(xué)研究揭示，榴輝巖的原巖很可能是形成在大陸內(nèi)部構(gòu)造環(huán)境的拉斑玄武巖，而石榴石橄欖巖可能是起源于虧損的殘余地幔。

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詞組短語

短語

• depleted MORB mantle 虧損
• depleted d mantle 貧化地幔
• depleted mantle source 虧損的地幔源
• Nd depleted mantle model age Nd 虧損地幔模式年齡
• model age to depleted mantle 虧損地幔模式年齡

• depleted mantle更多詞組

專業(yè)釋義

地球科學(xué)

• 虧損地幔

  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.
  筆者嘗試提出用Ln(Co*Ni*Cr)、Nb/Ta、鉛同位素、釹同位素二階段虧損地幔模式年齡（T2DM）及εNd(t)等地球化學(xué)指標(biāo)表達(dá)以上信息，并在相應(yīng)的章節(jié)對指標(biāo)進(jìn)行了理論介紹。

• 貧化地幔
• 虧損地幔端元