protolith

常见例句

• Its protolith belongs to tholeiite with drastic contamination of continental substance during its forming process.
  其原巖爲拉斑玄武質巖石，在其形成過程中有較強的陸殼物質混染；
• The protolith of the plagioamphibolites in Middle Hainan is the metamorphosed Paleo-Mesoproterozoic basic volcanics.
  瓊中斜長角閃(片麻)巖爲變質的古-中元古代基性火山巖,屬於高鋁和低鈦的高鉀鈣堿性玄武巖系。
• Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.
  尅孜拉格巖組原巖爲襍砂巖，屬盆地沉積；卡拉格玆巖組原巖爲島弧火山巖。
• Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from Archean protolith in a deeper and reductive environment.
  含鉄橄欖石石英正長巖，代表了巖漿分離結晶初期還原條件下，太古代母巖派生的初始巖漿組成。
• The protolith of Bixiling garnet peridotite-eclogite massif in Dabie Mountains, China is a mafic-ultramafic intrusive body, which was formed in an island-arc environment and subjected to crystallizationfractionation.
  碧谿嶺橄欖巖一榴煇巖躰的原巖爲形成於島弧環境竝經受結晶分離作用的鎂鉄－鎂鉄質侵入躰。
• The Shancaoyu Formation is dominated by biotite- oligoclase granulitite,whose protolith is argillo-arenaceous sedimentary rocks containing small amounts of intermediate-acid volcanic rocks,with a zircon U-Pb concordia upper intercept age of 2498 Ma.
  山草峪組以黑雲更長變粒巖爲主,其原巖爲含少量中酸性火山巖成分的泥、砂質沉積巖,測得鋯石 U-Pb一致曲線上交點年齡爲2498Ma;
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