蝕變玄武巖 的英文怎麼說

中文拼音 [shíbiànxuánwǔyán]
蝕變玄武巖 英文
melaphyre
  • 蝕 : Ⅰ動詞1. （損失; 虧耗） lose 2. （腐蝕） erode; corrode Ⅱ名詞（天體現象） eclipse
  • 玄 : Ⅰ形容詞1 （黑色） black; dark 2 （深奧） profound; abstruse; recondite 3 （不實在; 靠不住） unrel...
  • 武 : Ⅰ形容詞1 （關于軍事的） military 2 （關于技擊的） connected with the art of attack and defence in...
  • 巖 : 名詞1. （巖石） rock 2. （巖峰） cliff; crag
  • 玄武 : 1 （烏龜） tortoise2 （二十八宿中北方七宿的合稱） seven constellations of northern sky3 （道教所...
  1. 4. three type of basalt is recognized in changle region : a, sapphire - embodied alkli - olivine - basalt of niushan group ( most distributed in fangshan ), enriched with a large number of mantle - orignated xenoliths with different extent of weathering ; b, alkli - olivine - basalt of niushan group with little sapphire embodied, but contan a few mantle - orignated xenoliths usually samller than that of fangshan, most of the mantle - orignated xenoliths weathered seriously only lefting with some vacant caves, this kind of rock mostly lies in cangshan, taohuashan. and qiaoguan volcanic vent, contain amount of ilmenite ; c, olivine - basalt of yaoshan group, contain neither xenoliths nor sapphire

    4 、在昌樂地區區分出三類主要的玄武巖： a ，牛山組含礦的堿性橄欖玄武巖，位於方山，含大量的大小不一的風化蝕變程度不同的地幔巖包體； b ，牛山組幾乎不含礦的堿性橄欖玄武巖，含少量地幔巖包體，且包體一般比方山小，多數已經遭嚴重風化而只留下空洞，含有相當數量的鈦鐵礦，主要位於北巖南部的蒼山，桃花山及喬官火山口。
  2. We deduce that it is a relic old crust that was brought upwards during the formation of neo - tethyan ophiolite. the step heating 40ar - ' 9ar spectra show that during 100ma, luobusha ophiolite suffered intensely alternation, which affected distinctly the k - ar system ; during 771ma some basalt formed in the country rock of xiubugabu ophiolite ; during 55ma, the pillow basalt of rikangba ophiolite affected by a strong thermal event ; all the variety of ages illustrates possible impacts of the subduction - collision between india and eurasia. through dissecting mainly the gabbro of luobusa ophiolite and studying the 40ar / 39ar

    ~ （ 40 ） ar ~ （ 39 ） ar階段升溫年齡圖譜顯示， 100ma左右羅布莎巖體經歷了較強的後期蝕變作用，對其k ? ar體系造成明顯影響； 77 1ma休古嘎布巖體圍巖中形成玄武質火山集塊巖； 55ma日康巴巖體巖石枕狀玄武巖受到較強熱事件影響；這些~ （ 40 ） ar - ~ （ 39 ） ar年齡上的變化顯示了印度板塊與歐亞板塊俯沖?碰撞對該區的強烈影響。
  3. According to the constructive principles of these diagrams, the following aspects must be thought carefully : the rock types to be studied must be the same or nearly the same as those that can be discriminated by the diagram ; to avoid mixed or incorrect signals that could be produced, two or more such diagrams shall have to be jointly used ; for special rock types, such as a - type granites or potassic igneous rocks, special discriminative diagrams have to be determined and selected respectively ; the samples to be studied can not be altered ; in general, the diagrams must be used carefully with archean samples ; the petrotectonic assemblage or an expert system are recommended to be used together with the discrimination diagrams

    強調指出：所採集的樣品必須新鮮（無蝕變或極弱蝕變） 、非堆晶的巖石；選擇的判別圖解必須與判別的巖石類型相一致，即對花崗巖類要用花崗巖的判別圖解，不能用玄武巖的判別圖解；對特殊類型巖石要選擇專門用於該類型巖石的判別圖解，如堿性花崗巖，鉀質火成巖；要應用多種圖解綜合判斷；不能用單個樣品，而應作多個樣品分析；要注意所選擇判別圖解的特別說明等。
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