early Yanshanian的意思|示意

On the southwestern margin of the basin there occur middle Yanshanian Late Triassic and Early Cretaceous coarse clastic molasse-like deposits and angular unconformity.

在盆地西南缘发育燕山中期的晚侏罗世和早白垩世的粗碎屑类磨拉石建造及其地层间的角度不整合。

Huixianfeng granite body is a rare metal mineralized intrusive body of the third stage of early Yanshanian period with zoned alterations.

会仙峰花岗岩体为燕山早期第三阶段侵入岩，是稀有元素矿化岩体，岩体蚀变具分带现象。

This paper mainly discusses early Yanshanian granites, namely, the Middle Jurassic Sanjiangkou sequence.

本文着重讨论燕山早期主体花岗岩，即中侏罗世三江口序列。

Early Yanshanian intrusions are mainly adamellite, biotite K-feldspar granite with small amount of granodiorite.

燕山早期侵入岩以二长花岗岩、黑云钾长花岗岩为主，其次为花岗闪长岩。

The Late Yanshanian uplift and the cooling of the plutons were caused by early tectonic denudation and late weathering erosion, which led to the good deposition response in basins.

燕山晚期岩体隆升和降温由早期构造剥蚀和晚期风化剥蚀造成，并具有良好的盆地沉积响应。

The early and middle Yanshanian tectonic movements permitted the fluvial, seasonal lake and intermittent lake facies to be developed.

受燕山早中期构造运动影响，河流相、时令湖相与间歇湖相发育。