同时火成岩之晶体,倘再穿至地面,及超基性(Ultrabasic)四大类、伟晶闪长岩,或成块状无结构之玻璃,或在喷发时破碎成火山角砾岩(VolcanicBreccia)或凝灰岩(Tuff),细小者为玄武岩(...
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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.
该超单元的形成与幔源基性岩浆上侵及同源岩浆分异产生的中偏基性—中性岩浆多次侵入有关,属热气球式膨胀与火山口塌陷复合就位机制。
Its formation was related to the intrusion of basic magma(mantle source)to multi-time intrusions of basicly medium to medium magma which differentiated from the same magma. The co…
这是整个中亚造山带及邻区大量的酸性和基性-超基性岩浆活动及暗示的伸展环境的一个缩影。
This is a microcosm of lots of acid and mafic-ultramafic magmatism in the Central Asian Orogenic Belt and the implication of its extensional setting.
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