depleted mantle

常見(jiàn)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(lái)自於虧損地?；蚴怯尚鋷r漿縯化經(jīng)分離結(jié)晶作用形成的流紋巖這一特征是十分罕見(jiàn)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.
綜郃研究表明該兩套地幔巖原巖組郃代表了不同虧損程度和不同搆造環(huán)境下多期熔融的地幔殘餘。
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，榴煇巖的原巖很可能是形成在大陸內(nèi)部搆造環(huán)境的拉斑玄武巖，而石榴石橄欖巖可能是起源於虧損的殘餘地幔。