geological era

1. A major division of geological time; an era is divided into two or more periods.
   地质时期的主要分期；一代分为两个或多个纪。
2. Era A unit of the geological time scale that is made up of several periods, e.g. the Mesozoic Era comprises the Triassic, Jurassic, and Cretaceous periods.
   代：量度地质时期的分类单位，代由若干时期组成，如中生代包括三叠纪、侏罗纪和白垩纪。
3. Oil and Gas Geological Condition and Prospect Evaluation in the Peripheral Down-Faulted Basins Group of Mesozoic and Cenozoic Era, Daqing Exploration Area
   大庆探区外围中、新生代断陷盆地群油气地质条件及远景评价
4. Mass extinction and geological events between Palaeozoic and Mesozoic Era
   古生代中生代之交的生物绝灭和地质事件四川广元上寺二叠系三叠系界线和事件的初步研究
5. Some elementary anomalies of indium and other elements have been found at the bottom of the stratum, it can be used as the evidence to separate geological era.
   前人在该套地层底部发现了铱等元素异常，认为可作为划分其地质时代的依据。
6. The wide range variation of composition of ( oilfield) formation water in the different geological era are likely to represent the complex origin and evolution history of fluid.
   塔河油区的不同地质时代的油田水成分差异较大、成因复杂。
7. In the history of the geological development of Sichuan province, the crustal evolution went through four different periods: ( 1) Presinian period era, ( 2) Sinian period-Paleozoic era-Early Mesozoic era,( 3) Middle-Late Mesozoic era, ( 4) Cenozoic era.
   四川省在地质发展史上，地壳的演化先后经历了四个不同时期：（1）前震旦纪，（2）震旦纪古生代早中生代，（3）中晚中生代，（4）新生代。
8. Geological characteristics of East Kunlun and tectonic evolution in late palaezoic& Mesozoic Era
   东昆仑地质特征及晚古生代&中生代构造演化
9. This paper presents the distribution characters of the geological era and space about the strata-bound barytes ore deposits in Guizhou.
   本文概述了贵州层控重晶石矿床的时空分布特征。
10. The Conceptual Inquisition of Geological Character and Location Era in Chebu Unitr
    车步单元地质特征及时代初探
11. Carbonatites are very development in each geological era in Yunnan.
    云南省境内各地质时代的碳酸盐岩层颇为发育。
12. According to the macroscopic geological observations and microscopic studies, laws of activity and evolution of the fault belt from Proterozoic era to Cenozoic era are as follows.
    根据宏观地质观察和微观研究，该断裂带从元古代至新生代的活动和演化特点为从深层次向浅层次演化；
13. According to the records of early human activities, Nihewan strata is an invaluable geological relic that has undergone the evolution of the earth and creations since the later Cenozoic Era.
    记录中国北方晚新生代以来地球演化、生物进化与古人类活动的泥河湾层，是珍贵的地质遗迹。
14. Therefore, the geological era of Gutian Formation are certain to be the Late Early Permian.
    植物群的地质时代为早二叠世晚期。
15. THE DIRECTION FOR PHOSPHORITE PROSPECTING AND ITS GEOLOGICAL ERA OF PHOSPHOROUS STRATUM IN HAIZHOU-DAWU AREA This paper presents the distribution characters of the geological era and space about the strata-bound barytes ore deposits in Guizhou.
    海州&大悟地区含磷地层的时代归属及磷矿找矿方向本文概述了贵州层控重晶石矿床的时空分布特征。
16. Ore-forming geological conditions and prospecting directions of volcanic type gold deposits in Mesozoic era, western Liaoning
    辽西地区中生代火山岩型金矿成矿地质条件与找矿方向
17. Cognition of Geological Era in Viewpoint of Life Process
    以生命过程的理念认识地质年代
18. Long geological evaluation and Cenozoic structural and fault activities led to the formation of multiple types of oil and gas pools from Neogene to Archeozoic Era and resulted in a great deal of oil and gas accumulations in uplifts and sags.
    漫长的地质演化和新生代构造断裂活动形成了上第三系至太古界多层系多类型的油气藏，在凹陷、凸起的各部位，分布着大型油气聚集带。
19. From the viewpoint of lithofacies and paleogeography this paper describes the geological developmental history of North China Basin, where in middle-late Proterozoic Era it was a paleo-land with sediments of aulacogens developed in its north and south margins.
    文中以岩相古地理的观点论述了华北盆地的地质发展历史，即中晚元古代为古陆区，南北边缘地带发育拗拉槽型沉积；

noun

1. a major division of geological time

   Synonym:    era