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汉语拼音：zhōng shēng dài

地质历史上起自约25亿年前至6500万年前的时代。持续时间约185亿年。分为三叠纪、侏罗纪和白垩纪三个纪。该时期形成的地层称中生界”。动物很活跃，有爬行动物、哺乳动物、鸟等，恐龙也在此时发展，植物很繁盛，故也是一个重要的成煤时期。中国的大陆轮廓已基本形成。

1. 地质年代的第四代。约开始于二亿三千万年前，结束于六千七百万年前。分为三迭纪、侏罗纪和白垩纪三个纪。这时期主要的脊椎动物是爬行动物，恐龙繁盛，哺乳类和鸟类开始出现。无脊椎动物主要是菊石类和箭石类。植物主要是银杏、苏铁和松柏。

• Mammals arose from a fairly primitive reptile in the Mesozoic era.

  哺乳类起源于中生代宛若原始的爬虫类.

• Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.

  丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.

• 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.

• Fossil members of the Ginkgophyta are common from rocks of Mesozoic age.

  银杏通常在中生代时期的岩层中被发现.

• Anning Basin is a terringenous fault basin developed in Mesozoic Era.

  云南安宁盆地为中生代陆相断陷盆地.

• The deposit No.138 is of Mesozoic volcano - sedimentary transformation type.

  138矿床是中生代火山 - 沉积改造型铀矿床.

• The Badao deposit is a typical Mesozoic volcanic rock - hosting deposit.

  八道金矿为延吉中生代火山岩型金矿中较为典型的矿床之一.

• Ludong fault depression was a sub - depression of Kailu, which had a fold - fault basement of anti - Mesozoic era.

  陆东断陷是开鲁盆地的次级断陷, 形成于中生代,基底断裂可分为北北东向和近东西向两组.

• Many collisions of considerable size and periods of supervolcanism occurred early in the Mesozoic era.

  在中生代以前发生了许多次大规模的碰撞与大型的火山喷发.

• Areas with relatively low stress are prospected to be benefited for the enrichment and mineralization Au.

  中生代--伸展期和新生代--走滑期.相对低应力值区为矿化富集的有利部位.

• Mesozoic basins are distributed around Tethys and belong to southern foreland basin zone.

  在海相沉积之后接受了陆相沉积,中生代盆地环特提斯洋分布,属南前陆盆地带.

• Both of them were offset by large - sized sinistral move of the Tanlou fault in Mesozoic.

  郯庐断裂带中生代 大规模 左行平移使两者错开.

• There are rich deposits of oil and coal in Mesozoic formation of the basin.

  该盆地中生代地层中含有丰富的石油和煤炭资源.

• As the dominator of the Mesozoic, it is the focus of the science.

  恐龙作为中生代生物界的统治者, 它的研究一直是科学界的热点.

• This paper mainly discusses the essential characteristics and evolutionary regularity of Mesozoic metallogenic series types.

  著重论述了中国中生代矿床成矿系列类型的基本特征,并简要概括了它们的时空演化规律.