late mesozoic era

基本解释

The anatomical features of the tooth suggest that it is either from the Jurassic or Cretaceous period (i.e., late Mesozoic = "dinosaur era").
这个牙齿的动物结构特征意味着它来自于侏罗纪或者白垩纪时期（换句话说，也就是中生代后期，相当于恐龙时代）。
The geology of the surrounding areas of east China sea basin indicates that marine environment:existed during middle-late Mesozoic era and late Palaecz- oic era.
东海盆地周边地质表明存在有中生代、古生代地层，并有过海相沉积环境。
The exhalation-spout type deposits of the early Paleozoic era and the orogenic type deposits of the late Paleozoic to early Mesozoic era are the most important deposit groups.
早古生代时期的喷气喷流型矿床组合和晚古生代—早中生代时期的造山型矿床组合最为重要。

晚中生代
It took shape in late Mesozoic Era. The basement is the metamorphic rock at Siniansystem or Pre- Sinian system and has deposited the stratum from Triassic Period to QuaternaryPeriod.
其形成于晚中生代，基底为震旦系或前震旦系变质岩，沉积了三叠纪至第四纪的地层。