火山岩
- 与 火山岩 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The Tuyon Basin contains pyrolite inclusions. The mineralogical character of high-pressuremegacrysts, and the Mg*'、 NiO content and petrographic characteristic of volcanic rocks showthat the Tuyon Basin has the characteristics of primitive mantle magmas.
托云火山中含有上地幔岩石包体,高压巨晶的矿物学特征以及火山岩的Mg#、Ni0含量、岩相学特征等证据均表明托云盆地内存在幔源原生岩浆的产物。
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During the Late Jurassic, quartzitic sandstones came from stable passive continental margin.
藏南古错地区早白垩世以出现一套火山岩屑砂岩为特征。
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The former is the major pre-condition of the formation of gold mineralization concentrated district,the latter is a main a- gent for the gold remobilization from source bed,...
区内金矿床可划分为绿岩建造、花岗岩建造、火山岩建造和沉积岩建造金矿床四大类。探索新类型和加强老矿区的深部找矿是今后主攻方向。
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The time span of the Xiaochaka Formation has also been constrained by related biostratum in present paper. It is inferred that the age of volcanism in the Nadi Kangri Formation is probably occurred between the Late Triassic Norian and Rhaetian, prior to the previous age-constraint of this Formation.
运用已有的生物地层资料确定肖茶卡组地层的沉积时间(晚三叠世诺利期-瑞替期),从而推测那底岗日组火山岩形成时代略晚于这个时间,很可能早于前人关于该套地层的时代认识。
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It is inferred that the Cretaceous rhyolitic rocks developed widely in Zhejiang Province probably originated by partial melting of the basement metamorphic rocks. Continuous underplating of basalt resulted in significant increase of introduced mantle-derived materials with time.
推测浙江省广泛发育的白垩纪流纹质火山岩可能是基底变质岩部分熔融形成,由于持续的玄武岩底侵作用,造成幔源物质的加入量显著地随时间增加。
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Mesozoic volcanic rocks that exhibit thin planar layering known as flow banding. These rhyolitic rocks contain
弥勒山的地质:昂坪宝莲寺上弥勒山的地质主要是中生代火山岩,一般呈现称为流状条带的薄层构造。
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Based on a systematic petrographic and geochemical study and a zircon U-Pb SHRIMP age analysis, the authors revealed that the age of ore-hosting volcanics (XC01-1 rhyolitic tuff) is 180.4±3.5 Ma.
对西藏冈底斯带南部雄村铜金矿床的容矿火山岩和外围岩石进行了岩石学、地球化学、锆石年代学研究。
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Xiangshan volcano-intrusive complexes is the wall rock of the biggest volcanic-rock uranium ore deposit in China, and the main body is rhyolitic porphyroclastic lava, accompanied by hypahyssal or ultra-hypabyssal intrusive rocks such as dacite-porphyry and granite-porphyry Jiulongzhang volcano-intrusive complexes are dominantly rhyolitic welded tuff, accompanied by dacite-porphyry and quartz monzonite-porphyry, and so on, and the uranium resources are being assessed.
相山火山-侵入杂岩是华南地区最大的火山岩型铀矿赋矿围岩,其主体岩石为流纹质碎斑熔岩,浅成-超浅成侵入岩有英安斑岩、花岗斑岩等;九龙嶂火山-侵入杂岩的铀资源潜力尚待评价,主体岩石为流纹质熔结凝灰岩,浅成-超浅成侵入岩有英安斑岩、石英二长斑岩等。
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The volcanic rock research of Yixian Formation shows that Yixian Formation during the Early Cretaceous( 135 - 120Ma ) is mainly composed by basalt and sanukite which are non adakite.
义县组火山岩的研究表明,早白垩世(135~120 Ma)的义县组主要由玄武岩和赞岐岩组成,并非埃达克岩。
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Mesozoic volcanic activities of the Tan Lu fault zone mainly appeared in Early Cretaceous and resulted in a set of volcanic rocks characterized by shoshonite series.
郯庐断裂带中生代火山活动主要发生在早白垩世,形成了一套以橄榄安粗岩系为主的火山岩。
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。