yanshanian是什么意思，yanshanian的意思翻译、用法、同义词、例句

常用词典

燕山期

It is a large potential region of the Yanshanian porphyry metallogenic system.

为待揭开的大型以上规模的燕山期斑岩系列成矿潜在区。

Metallogenetic epoch was late Yanshanian and fluid derived from meteoric water.

成矿流体来源主要为大气降水。

Its heat reservoir is composed of Yanshanian granite-porphyry and tuff of Mesozoic.

热储由中生代燕山期花岗斑岩、凝灰岩组成。

The ore body is related to the Early Yanshanian magmatic activity in time and space.

矿体在时间和空间上与燕山早期岩浆活动有一定关联。

Its heat reservoir is composed of Yanshanian granite - porphyry and tuff of Mesozoic.

热储由中生代燕山期花岗斑岩、凝灰岩组成。

Yanshanian是一个地质学术语，是指中国北方地区在中生代晚期的一段地质时期，约1.45亿年前至830万年前。这个时期的主要地质事件是岩浆活动和构造变形，形成了中国北方地区的大部分山脉和岩石。以下是该词的详细解释：

例如：

英文例句：The Yanshanian period witnessed the formation of most of the mountains and rocks in northern China.中文解释：燕山运动时期见证了中国北方大部分山脉和岩石的形成。