侏罗纪的岩石

基本解释 (translations)

Jura

与侏罗纪的岩石相关的网络例句 [注：此内容来源于网络，仅供参考]

One earlier variety of the granites, provisionally termedas Kushan Granite, is coarser-grained, often flesh-colored, and biotite-bearing,similar in character to the most frequently seen and widely distributed graniteof whole Fukien; the other, the Kueichi Granite, often intruding into the firstnamed, is colored by different shades of grey, mostly, fine-grained, and mia-rolitie, containing minor amount of hornblen...

从二者产生状态看来，彼此生成时间甚为接近，而同属於太平洋运动产物，分属早晚期活动。再根据前人各种地质文件，推论出福建各地普遍存在着相当於这两种侵入的花岗岩类岩石。因此，联系到福建后侏罗纪金属矿成矿作用的多次性可能。这在江西西华山已有发现。此后从多次性来研究后侏罗纪的炎成矿床的成矿作用，成为必要了。