palaeozoic era meaning in English
古生代
Examples
- My professor studies flora of the palaeozoic era
我的教授研究古生代的植物群。 - Has existed since the palaeozoic era 200 million years ago , making the ginkgo the oldest tree in the world . however the wild variety is now extinct
银杏科植物生长于二亿年前的古生代，所以现存的银杏被誉为地球上最老的树木，但野生品种已消失多时。 - The reservoir is located at yishan slope area between jinxi fold belt and tianhuan depression , it has the characters of less structural deformation , overlying hydrocarbon genetic center in upper and lower palaeozoic era , growth of high efficient reservoirs and as well as fast lateral changes of reservoir physical properties , it has the condition of forming non structural traps , which is the major area for gas reservoir exploration in the basin
位于晋西挠褶带和天环坳陷间的伊陕斜坡区，因具有构造变形微弱，上、下古生界生烃中心叠置，高效储层发育，储集层物性侧向变化快等特点，具备形成非构造圈闭优越条件，为盆地气藏勘探约重点区带。 - The filling evolutionary process in the palaeozoic era in this area was extremely complex . during the majiagou stage of early ordovician period , the researched area went through three tertiary eustatic cycles . with negative movement in ma ; stage , deposits of evaporate platform and local platform were developed
古生代研究区经历了十分复杂的充填演化过程，早奥陶世马家沟期本区经历了三个三级海平面升降旋回，其中马5期随着海平面下降，发育了蒸发台地和局限台地沉积。 - Because of the absence of mantle xenoliths and xenocrysts , it is the first time that this paper looks on the native heavy minerals deriving from mantle , which were collected at the terraces of the two rivers , kalakshi river and yulongkashi river , as objects and takes into account the geochemical characteristics of the rocks deriving from mantle such as keliyang lamproite and so on to study the composition of lithospheric mantle , the characterics of palaeozoic era lithospheric mantle , mantle thermal state , and diamond metallogentic mantle geological conditions in research field
为达到研究目的，本文首次以喀拉喀什河和玉龙喀什河沿岸阶地的幔源重砂矿物(单斜辉石、铬尖晶石类矿物、钛铁矿以及石榴石)为研究对象，结合钾镁煌斑岩等区内已发现的幔源岩石及其中地幔物质对该区地幔物质的组成、古生代岩石圈地幔特征、岩石圈热状态以及该区金刚石成矿地幔地质条件做了尝试性的研究工作。