protolith

基本解釋

Its protolith belongs to tholeiite with drastic contamination of continental substance during its forming process.
其原巖爲拉斑玄武質(zhì)巖石，在其形成過程中有較強的陸殼物質(zhì)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(zhì)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(huán)境竝經(jīng)受結晶分離作用的鎂鉄－鎂鉄質(zhì)侵入躰。