protolith

常见例句

• Its protolith belongs to tholeiite with drastic contamination of continental substance during its forming process.
  其原岩为拉斑玄武质岩石，在其形成过程中有较强的陆壳物质混染；
• The protolith of the plagioamphibolites in Middle Hainan is the metamorphosed Paleo-Mesoproterozoic basic volcanics.
  琼中斜长角闪(片麻)岩为变质的古-中元古代基性火山岩,属于高铝和低钛的高钾钙碱性玄武岩系。
• Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.
  克孜拉格岩组原岩为杂砂岩，属盆地沉积；卡拉格兹岩组原岩为岛弧火山岩。
• Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from Archean protolith in a deeper and reductive environment.
  含铁橄榄石石英正长岩，代表了岩浆分离结晶初期还原条件下，太古代母岩派生的初始岩浆组成。
• 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.
  碧溪岭橄榄岩一榴辉岩体的原岩为形成于岛弧环境并经受结晶分离作用的镁铁－镁铁质侵入体。
• 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.
  山草峪组以黑云更长变粒岩为主,其原岩为含少量中酸性火山岩成分的泥、砂质沉积岩,测得锆石 U-Pb一致曲线上交点年龄为2498Ma;
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