mafic中文意思是什麼

mafic 的中文意思

mafic 例句

1. The mafic dikes, volcanic rocks and alkalic - ultra mafic dikes are terrestrial, and were all formed in the extensional settings. 3
   三類巖石在侵位結晶過程都不存在明顯的地殼混染。
2. Integrating the ages of the mafic dikes and alkalic - ultra mafic dikes in this paper, and the known data of mafic dikes and volcanic rocks, at least, there existed four episodes mesozoic crustal extension in shandong province, namely, 80ma, 100ma, 120 ma and140ma, which is similar to that of sc ( south china ), indicating that maybe the effect of the subductio
   但魯東地區在地殼拉張方面可能存在著與魯西地區不同的制約因素：即魯東地區存在拆沉作用和可能存在地慢柱的影響』 、而魯西地區可能受到了郊廬斷裂的左行走滑剪切和拉張活動的影響。
3. The mafic dikes also formed by the partial melting of enriched mantle, include gabbro, diabase ( distributing mainly in luxi ) and lamprophyres ( camptovogesite, odinite and hornblende lamprophyres ) ( mainly in ludong ). for all the rocks, crustal contamination was absent when magma emplaced. 2
   基性脈巖主要包括輝長巖、輝綠巖（主要分佈在魯西地區）和煌斑巖（以斜閃煌斑巖為主，同時含部分拉輝煌斑巖和角閃煌斑巖） （主要分佈在魯東地區） ，都為富集巖石圈地幔部分熔融的產物。
4. These deposits, which can be obviously divided into basic and acid volcanic types, are present in the carboniferous bi - model volcanic series and occur along two horizons, i. e., the lower carboniferous mafic volcanic rock and the upper carboniferous felsic volcanic rock
   這些礦床產在石炭系雙峰式火山巖系之內，沿著下石炭統基性火山巖和上石炭統酸性火山巖兩個層位產出，分別以玄武巖和流紋巖為容礦主巖，可以明顯地分成基性火山巖型和酸性火山巖型兩種類型。
5. There are over 30 mafic and ultra mafic intrusions in the area and cu - ni sulfide ore bodies were found in no. 1 and no. 7 ultra mafic intrusive bodies which exhibit obvious zoning and cumulate texture
   區內出露30多個鎂鐵超鎂鐵質巖體，其中1 、 7號超鎂鐵巖體中賦存銅鎳硫化物礦（床）體。

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