mafic 中文意思是什麼

mafic 解釋
adj. 形容詞 【地質學；地理學】（火成巖的）鎂鐵質。

  1. The mafic dikes, volcanic rocks and alkalic - ultramafic 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. Therefore, based on the isotopic chorology, petrochemistry, geochemisty and sr, nd, pb isotope, the ph. d dissertation mainly studied some yanshanian mafic dikes, volcanic rocks and alkalic - ultramafic dikes in shandong province

    本論文主要從同位素年代學、巖石化學、地球化學和sr ? nd ? pb同位素方面對山東地區燕山期基性脈巖、火山巖和堿性超基性脈巖進行了系統研究。
  3. Integrating the ages of the mafic dikes and alkalic - ultramafic 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。
  4. Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.

    黑雲母一般是鎂鐵質及超鎂鐵質巖石中的次要成分。
  5. Thus, the paper focuses on mineralogy, petrology, petrogeochemistry, isotopic chorology, and sr - nd - pb isotopes of the mafic intrusions and dikes in fujian province, se china. in addition, we also discussed the process of the plate subduction, mantle evolution, crust - mantle interaction, lithospheric thinning and extension, and the reaction for crustal extensi on in fujian province, se china. ( 1 ) daiqianshan mafic intrusion is situated along the changle - nanao fault, which intruded in the metamorphic rocks

    基於此，本文以中國東南部福建省的基性脈巖、巖體為研究對象，運用系統的礦物學、巖石學、巖石地球化學、同位素地球化學及同位素年代學證據，詳細論述了晚中生代中國東南部板塊俯沖、地幔演化、殼幔相互作用及巖石圈伸展減薄的地球動力學過程，探討了地殼拉張期次在福建省區域構造上的響應。
  6. 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。
  7. It also conducts basic research plus concentrates on applied research projects to address specific problems that have been identified by the feed industry. in addition, mafic provides technical services, training and extension courses, information technology through its website

    技術文獻資料室數據庫和質量控制手段包括飼料分析與最低成本日糧配方來為行業提供各種技術服務培訓和技術推廣課程以及信息技術。
  8. Ore deposit types related to mafic - ultramafic rocks

    超鎂鐵巖的地球化學及其地質意義
  9. Mafic - ultramafic rocks in permian period and minerogenitic potentialities

    超鎂鐵巖及其成礦問題探討
  10. Lithogeochemistry of the sulfide - bearing mafic - ultramafic rock at baimazhai, jinping, southern yunnan

    超鎂鐵質巖石有關的礦床類型
  11. Geochemical and petrological characteristics of mafic and ultra - mafic intrusions in jinbaoshan, yunnan

    超基性巖的地球化學特徵及其含礦性
  12. The accumulation and evolution of metallogenic series of the mafic - ultramafic magmatic deposits in china

    超鎂鐵巖漿礦床成礦系列的聚集與演化
  13. Metallogenic conditions and prospecting for copper - nickel type deposits in mafic - ultramafic rocks in inner mongolia

    超鎂鐵巖體的年代測定及其意義
  14. Geochemical characters of mafic - ultramafic swarms in the baimazhai nickel and copper deposit, jinping, yunnan

    超鎂鐵巖侵入體及銅鎳硫化物礦床的成巖成礦機制
  15. Petrochemistry and ore potentiality of the mafic - ultramafic rocks in the yangliuping cu - ni - pgf mine, sichuan province

    超鎂鐵質巖型銅鎳礦床成礦條件與找礦遠景分析
  16. The simulation of mesoproterozoic tectonic stress field forming mafic dyke swarms in the central north china craton

    華北克拉通中元古代巖墻群形成的構造應力場數值模擬
  17. The daiqianshan intrusion has the same source with other mafic rocks exposed in southeastern china, which had been experienced metasomatism before emplacement

    它與中國東南部出露的其它基性巖同源，但未受到地殼的混染作用。
  18. The southern hainan mafic dykes are strongly enriched in lile with high nb / ta ratios, indicating a magma source reconstructed by silicic - melt through partial melting of ancient subducted slides. however, the northern hainan mafic dykes with chondritic nb / ta ratio should be derived from the fiuid - metasomatized mantle related to ancient subduction zone

    瓊南基性巖脈強烈富k _ 2o等lile和具有較高nb ta比值，其地幔源區應受到了古俯沖板片部分熔融形成的硅質熔體的改造；而瓊中基性巖脈的nb ta比值接近於球粒隕石和morb值，應為古俯沖帶含水流體交代的地幔源區的產物。
  19. 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。
  20. There are over 30 mafic and ultramafic intrusions in the area and cu - ni sulfide ore bodies were found in no. 1 and no. 7 ultramafic 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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