dacite
英[ˈdeɪsaɪt]
美[ˈdeɪˌsaɪt]
双语例句
- 1. In addition, researchers found that the magma is made of dacite, a type of rock that's a precursor to granite.
- 另外,研究者发现这里的岩浆的成分是英安岩而不是构成夏威夷主体的玄武岩。英安岩是花岗岩的前身。
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- 2. Scientists have long believed that dacite can separate from basaltic magma to form granitic rocks. But they'd never.
- 科学家们一直认为英安岩可以从玄武质的岩浆中分离出来形成花岗岩,但他们从没奢望能在可操作的情况下看到这一过程。
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- 3. Its genesis is related to volcanic eruption and dacite porphyry intrusion. And it has some characteristics of porphyry Cu deposit.
- 成因上与火山喷发、英安斑岩体侵入作用有关,具有斑岩铜矿的一些特征。
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- 4. The altered minerals tend to occur around the dacite-porphyry domes and spatially display alteration zoning as a conduit in the upper p…
- 矿化蚀变由于受不同成矿作用和不同性质流体的影响,并存在区域变质和动力变质作用,故蚀…
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- 5. The volcanic rocks in the study area all belong to sub alkaline series including olivine basalt, andesite and dacite, from basic to intermediate, and to acid.
- 研究区内火山岩从基性—中性—中酸性都有出露,包括橄榄玄武岩、安山岩和英安岩,且都属于非碱性系列。
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- 6. The dark dikes associated with mineralization in the Jinchanggouliang mine area, are mostly fine diorite-quartz diorites and diorite porphyrite-dacite porphyries.
- 金厂沟梁金矿区中与成矿伴生的暗色脉岩主要是细晶闪长岩石英闪长岩、闪长玢岩英安斑岩类。
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- 7. Located in the western part of North Qilian Mountains and composed of 12 small intrusions, Chelugou dacite porphyry shows petrochemically to be calialkelinic series.
- 车路沟英安斑岩产于北祁连山西段,由大小不同的12个斑岩岩体组成,属于钙碱性系列岩石。
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- 8. They include mainly high-alumina basalt, basaltic andesite, a few of andesite and dacite as well, belonging to calc alkaline series but somewhat tholeiitic series in the early stage.
- 它们属于同一钙碱性岩浆演化系列,其中高铝玄武岩是其它火山岩的母岩。
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- 9. The (examination) of the petrography shows that the volcanic terrains in Tengchong are typical of the basalt - (andesite) - (dacite) arc volcanic rock associations of the calc-alkaline series.
- 岩相学特征表明,该火山群为典型的钙碱性系列玄武岩安山岩英安岩弧火山岩组合。
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- 10. The inner, outside contact zone between Himalayan ultra-epizonal syenite porphyry, Indosinian volcanic rocks of liparite porphyry-dacite series and strata is very advantageous to the metallogenesis.
- 大面积喜马拉雅期超浅成正长斑岩、印支期流纹斑岩英安岩系列火山岩类与地层的内、外接触带对成矿十分有利。
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- 11. Studies of petrology and elemental geochemistry indicate that the Xiangshan uranium ore-field dacite porphyry belongs to intra-plate shoshonitic rock type and is a kind of shoshonitic dacite porphyry.
- 岩石学、元素地球化学研究表明,相山铀矿田的英安斑岩属于板内型钾玄质岩类,为钾玄质英安斑岩。
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- 12. Studies of petrology and elemental geochemistry indicate that the Xiangshan uranium ore-field dacite porphyry belongs to intra-plate shoshonitic rock type and is a kind of shoshonitic dacite porphyry.
- 岩石学、元素地球化学研究表明,相山铀矿田的英安斑岩属于板内型钾玄质岩类,为钾玄质英安斑岩。
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