precambrian
美 
英
- adj.【地】前寒武纪的
- n.前寒武纪
- 网络元古宙；前寒武层；前寒武纪地层
英汉解释
英英解释
例句
"Plumes" from deep mantle do not operate in the modern Earth and did not operate in Precambrian time.
来自地幔深处的“热柱”，在现代地球上并无发生，其实，自寒武纪之后就不再发生。
Chemical fossils (e. g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
化学化石（烷烃和卟啉）是前寒武纪地层中生命存在的唯一证据。
The Precambrian metamorphic rocks in Northern Fujian are the important part consisting of the Cathaysian palaeocontinental basement.
闻北前寒武纪变质岩是华夏古陆基底的重要组成部分。
The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian.
前三个时期合起来持续了40亿年，合称为前寒武纪（隐生宙）。
Initial Sr isotope ratios show that the ore materials of the deposit were derived from the host rocks or Precambrian basement.
锶同位素初始比值测试结果表明大梁子铅锌矿床成矿物质来源可能主要源自围岩碳酸盐岩或基底地层。
with the geological evolution in precambrian , minerogenetic materials and types of mineral deposits obviously varied and increased.
随著中国前寒武纪地史的演化，成矿物质种类和矿床类型具有明显的变化和增多。
There are abundant mineral resources in the Precambrian rock formations, on which the survival and development of mankind depend.
在前寒武纪岩层中蕴藏着丰富的矿藏，为人类的生存和发展提供了大量的有用资源。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
最初，前寒武纪出现原始的单细胞水生藻类，除了蓝绿藻和细菌之外。
Metallogenic belt belong to the province of East Kunlun Precambrian, Paleozoic, Mesozoic gold and copper zinc iron ore belt.
其成研究区带隶属昆仑成矿省东昆仑前寒武、晚古生代、中生代金铜铅锌铁成矿带。
Precambrian BIF iron ore deposit can be divided into two types, Algoma-type and Lake Superior-type.
前寒武纪条带状含铁建造铁矿床分为阿尔戈马型和苏必利尔湖型两大类。
These findings are not of Precambrian animals themselves, but of their tracks. And these, paradoxically, may be more useful.
发现的并不是寒武纪前的动物本身，而是它们的足迹。而出人意料的是，这些足迹可能还更有用。
The argument that the Nyalam Group represents the whole Precambrian strata in the Himalaya area is worth discussing.
因此，认为“聂拉木群”代表喜马拉雅地区全部“前寒武系”是值得商榷的。
The Mashan group and Heilongjiang group are major components of the base of Precambrian Jiamusi block.
麻山群和黑龙江群是佳木斯地块前寒武纪基底的重要组成。
Among them the Precambrian and Cenozoic eras are the main metallogenic epochs in the world.
就全球而言，前寒武纪和新生代是金矿的重要成矿期。
The first three eons, which together lasted nearly 4 billion years, are grouped into a unit called the Precambrian.
第一三永世，一起持续几乎4十亿年，被编组入单位称全寒武纪。
This is illustrated by the fact that on Earth most of the Precambrian record is preserved in such lithologies.
在地球上，前寒武纪的许多记录就保存在类似的岩石里。
They are important structural features in the Precambrian metamorphic rocks.
它是前寒武纪变质岩内一种重要的构造现象。
This paper has made a detailed analysis of the temporal and spatial distribution of Precambrian mineral deposits in China.
摘要文章详细地分析研究了中国前寒武纪矿床的时空分布。
Precambrian animals must therefore have lived at such depths.
因此，前寒武纪的动物肯定曾经生活在这么深的地方。
Selected Papers on Precambrian iron Deposits.
前寒武纪铁矿论文集。
The origin of lichens dated back to the Precambrian.
资料表明：地衣的起源可追溯到前寒武纪；
The Precambrian crystalline rock series in the Yadong area is previously called "the Nyalam Group" .
藏南亚东地区前寒武纪结晶岩系以往统称为“聂拉木群”。
They are controlled by shear fracture belt of epimetamorphic rock series of Precambrian Period.
主要赋存于前寒武纪浅变质岩系中，受剪切断裂带控制。
After the Precambrian, there are three eras setting apart on their fossil records of dominant life.
前寒武纪之后，根据主要生物化石纪录划分出3个代。
Fossil Records and Molecular Clock Study of the Time of Origin of the Precambrian Biologic Lineages
前寒武纪生物起源时间的化石和分子钟研究
The Early Precambrian Collisional Orogenic Process and Plate Tectonics: Chance and Challenge of Precambrian Geology
早期碰撞造山过程与板块构造：前寒武纪地质研究的机遇和挑战
Brief Introduction and Comment on the Special Reference to the Precambrian Subdivision by the International Commission on Stratigraphy
对国际地层委员会前寒武纪划分参考方案的简介及评述
Tectonic framework of North China Block and its cratonization in the early Precambrian
华北陆块基底构造格局及早期大陆克拉通化过程
Silicon Isotope Compositions of Precambrian Banded Iron Ore Deposits and Its Geological Significance
返回目录前寒武纪条带状铁矿硅同位素特征及其地质意义
Groundwater Occurrence in the Lower Palaeozoic and Precambrian Rocks of the UK: Implications for Source Protection
英国古生代和前寒武纪岩早期的地下水出现：水源保护的意义
New Comment on the Early Precambrian Tectono-Magmatic Subdivision and Evolution in the Western Shandong Block
鲁西地块早前寒武纪构造-岩浆活动区划及演化的新认识
Geochronological Study on Formation and Metamorphism of Precambrian Basement and Their Mineralization in Yunnan, China
云南前寒武纪基底形成与变质时代及其成矿作用年代学研究
Review and deliberation of the researches on Early Precambrian metamorphic stratigraphy
早前寒武纪变质地层学研究的回顾与思考
Geochemical characteristics and depositional environments of the Late Precambrian bedded siliceous rocks in western Hunan
湘西晚前寒武纪层状硅质岩的热水沉积地球化学标志及其环境意义
The Early Precambrian Tectonic Evolution of Continental Craton: A Case Study from North China
大陆克拉通早期构造演化历史探讨：以华北为例
International Conference of Mineralization in Precambrian Terranes
前寒武纪地体中成矿作用国际研讨会
The Late Precambrian Hot Water Sedimentation of the Southeast Yangtze Plate Continental Margin
扬子板块东南大陆边缘晚前寒武纪热水沉积作用
Distribution, Types and Characteristics of the Precambrian Lead-Zinc Deposits in Eastern China
中国东部前寒武纪铅锌矿床的分布及类型特征
Geochemistry Characteristics of Trace Elements of Precambrian Metamorphic Rock in Northern Fujian
闽北前寒武纪变质岩地层微量元素地球化学特征
Tectonic Pattern of the World Precambrian Basement and Problems of Paleocontinent Reconstruction
全球前寒武纪基底构造格局与古大陆再造问题
