rapakivi

recent studies show, however, that rapakivi granites can be formed in age from archaean to phanerozoic and can even occur in orogen.

环斑花岗岩既可以出现于从太古代到显生宙的各个地质时期，也可以产生于造山带中。

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a query about so-called rapakivi granites in the qinling orogen

对秦岭奥长环斑花岗岩的质疑

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a study of biotite from the shahewan rapakivi granite in qinling and its significance

秦岭沙河湾环斑花岗岩中黑云母的研究及其意义

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characteristics of rapakivi texture in mesozoic shahewan granite of north qinling mountains and some related problems

北秦岭中生代沙河湾岩体环斑结构特征及有关问题的讨论

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this suggests that the typical rapakivi texture can be formed in various epochs and different tectonic settings.

亦表明典型的环斑结构可以出现于不同的时代和构造环境。

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The rapakivi granites have a number of petrological peculiarities.

环斑花岗岩具有若干岩石学的特征.

词典精选例句

Rapakivi is a special rock in Precambrian.

环斑花岗岩是发育于前寒武纪的一种特殊岩石.

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This paper introduces the connotation of rapakivi texture and geological and geochemical characteristics of rapakivi granites.

本文介绍了环斑结构的含义及奥长环斑花岗岩的地质与地球化学特征.

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zircon u-pb ages and hf isotopes and their geological significance of the miyun rapakivi granites from beijing, china

北京密云环斑花岗岩锆石U-Pb年龄和Hf同位素及其地质意义

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