为火成岩的一类。火成岩(IgneousRock)由岩浆(Magma)直接凝固而成。高温之岩浆在从液态冷却中结品成多种矿物,矿物再紧密结合成火成岩。化学成分各异之岩浆,最後成为矿物成分各异之火成岩,种类繁多,细分之有数百种。
adj. ultrabasic
...百种如依其含矽量之高低做最简明之分类,浅成岩有酸性(Acidic)、中性(Intermediate)、基性(Basic),及超基性(Ultrabasic)四大类晶体特大之浅成岩统称伟晶岩(Pegmatite),但应指明其为伟晶花冈岩、伟晶闪长岩,或伟晶辉长岩此外,不论其成分如何,岩浆...
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火成岩是指超基性(Ultramafic)的火成岩。已知的超基性成因闪玉(Ultramafic nephrite),产地有台湾,加拿大,纽西兰,西伯利亚,新疆天山和河南淅川。
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超基性岩 ultrabasic rock ; ultrabasite ; ultrobasic rocks
超基性的 [岩] ultrabasic
超基性杂岩体 ultrabasic complex
碱性超基性岩 alkalic ultrabasic rock
超基性岩浆 Ultrabasic magma
及超基性 Ultrabasic
基性超基性岩 basic-ultrabasic rock ; basic and ultrabasic rocks
超基性岩岩石成分 Ultrabasic rocks - Constituents
带状超基性杂岩体 zoned ultrabasic complex
The Dur’ngoi ophiolite in the north Qinghai-Tibetan Plateau consists of meta-peridotite, mafic-ultramafic cumulate, sheeted dikes and basaltic lavas.
青藏高原北部东昆仑德尔尼蛇绿岩由变质橄榄岩、基性超基性堆晶岩、辉绿岩墙群和基性喷出岩组成。
参考来源 - 青藏高原北部东昆仑南缘德尔尼蛇绿岩:一个被肢解了的古特提斯洋壳·2,447,543篇论文数据,部分数据来源于NoteExpress
本区基性、超基性岩岩脉群的出露,从北向南可归纳为三个岩桨岩带。
There are three magmatic zones of clusters of basic and ultrabasic rocks from north to south in this area.
强调台褶过渡区及褶皱过渡区、深大断裂、基性超基性岩的区域控矿作用。
The regional metallogenic control of the transition zones of platform folding and the transition zone of folds, deep and large fractures, basic ultrabasic rocks are emphasized.
文章通过查阅大量国内外有关资料,证实了基性超基性岩与锡矿床的形成有密切的关系。
By means of consulting much information, this paper proves that there is a close relation between tin ore deposit and ferromagnesian rock.
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