三岩

其中，第二、三岩浆活动阶段分别早于燕山造山带在中、晚侏罗世末的两次主造山幕发生的时代，所以燕山地区主造山幕的P-T-t演化为逆时针轨迹。

The second and third stages of magmatism occurred before the main orogenic episodes in the end of mid-Jurassic and late-Jurassic , respectively ; therefore , the main orogenic episodes have counterclockwise ( CCW ) P-T-t path .

文章运用人类学田野及跨文化比较方法，探讨三岩地区实行树葬的实际情况。

This article , by adopting anthropological fieldwork and cultural comparative studies , explores the detail of tree burial in Sanyan District .

在狼山群第三岩组中发育韧性剪切带、棱岩、层掩卧褶铍及石香肠构造。

The ductile shear zone , mylonite , layer parallel lying fold and boudinage come out extensively in the third group of Langshan .

同时，定义了三岩造林困难地，提出了三岩造林困难地的生态环境特点。

The difficult afforestation land of shale , limestone and calcium shale were defined and the ecological environment characteristics of that was pointed out .

根据不同成岩成矿系列的时空分布，讨论了横断山地区三岩带的成岩成矿机理。

In conjunction with the temporal and spacial distributions of different petrogeno-minerogenetic series the mechanism of the Ailaoshan-Jinshajing magmatic complex belt is discussed as well .