precambrian
美 
英
- adj.【地】前寒武紀的
- n.前寒武紀
- 網絡元古宙；前寒武層；前寒武紀地層
英漢解釋
英英解釋
例句
"Plumes" from deep mantle do not operate in the modern Earth and did not operate in Precambrian time.
來自地幔深處的“熱柱”，在現代地球上并無發生，其實，自寒武紀之后就不再發生。
Chemical fossils (e. g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
化學化石（烷烴和卟啉）是前寒武紀地層中生命存在的唯一證據。
The Precambrian metamorphic rocks in Northern Fujian are the important part consisting of the Cathaysian palaeocontinental basement.
聞北前寒武紀變質巖是華夏古陸基底的重要組成部分。
The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian.
前三個時期合起來持續了40億年，合稱為前寒武紀（隱生宙）。
Initial Sr isotope ratios show that the ore materials of the deposit were derived from the host rocks or Precambrian basement.
鍶同位素初始比值測試結果表明大梁子鉛鋅礦床成礦物質來源可能主要源自圍巖碳酸鹽巖或基底地層。
with the geological evolution in precambrian , minerogenetic materials and types of mineral deposits obviously varied and increased.
隨著中國前寒武紀地史的演化，成礦物質種類和礦床類型具有明顯的變化和增多。
There are abundant mineral resources in the Precambrian rock formations, on which the survival and development of mankind depend.
在前寒武紀巖層中蘊藏著豐富的礦藏，為人類的生存和發展提供了大量的有用資源。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
最初，前寒武紀出現原始的單細胞水生藻類，除了藍綠藻和細菌之外。
Metallogenic belt belong to the province of East Kunlun Precambrian, Paleozoic, Mesozoic gold and copper zinc iron ore belt.
其成研究區帶隸屬昆侖成礦省東昆侖前寒武、晚古生代、中生代金銅鉛鋅鐵成礦帶。
Precambrian BIF iron ore deposit can be divided into two types, Algoma-type and Lake Superior-type.
前寒武紀條帶狀含鐵建造鐵礦床分為阿爾戈馬型和蘇必利爾湖型兩大類。
These findings are not of Precambrian animals themselves, but of their tracks. And these, paradoxically, may be more useful.
發現的并不是寒武紀前的動物本身，而是它們的足跡。而出人意料的是，這些足跡可能還更有用。
The argument that the Nyalam Group represents the whole Precambrian strata in the Himalaya area is worth discussing.
因此，認為“聶拉木群”代表喜馬拉雅地區全部“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.
麻山群和黑龍江群是佳木斯地塊前寒武紀基底的重要組成。
Among them the Precambrian and Cenozoic eras are the main metallogenic epochs in the world.
就全球而言，前寒武紀和新生代是金礦的重要成礦期。
The first three eons, which together lasted nearly 4 billion years, are grouped into a unit called the Precambrian.
第一三永世，一起持續幾乎4十億年，被編組入單位稱全寒武紀。
This is illustrated by the fact that on Earth most of the Precambrian record is preserved in such lithologies.
在地球上，前寒武紀的許多記錄就保存在類似的巖石里。
They are important structural features in the Precambrian metamorphic rocks.
它是前寒武紀變質巖內一種重要的構造現象。
This paper has made a detailed analysis of the temporal and spatial distribution of Precambrian mineral deposits in China.
摘要文章詳細地分析研究了中國前寒武紀礦床的時空分布。
Precambrian animals must therefore have lived at such depths.
因此，前寒武紀的動物肯定曾經生活在這么深的地方。
Selected Papers on Precambrian iron Deposits.
前寒武紀鐵礦論文集。
The origin of lichens dated back to the Precambrian.
資料表明：地衣的起源可追溯到前寒武紀；
The Precambrian crystalline rock series in the Yadong area is previously called "the Nyalam Group" .
藏南亞東地區前寒武紀結晶巖系以往統稱為“聶拉木群”。
They are controlled by shear fracture belt of epimetamorphic rock series of Precambrian Period.
主要賦存于前寒武紀淺變質巖系中，受剪切斷裂帶控制。
After the Precambrian, there are three eras setting apart on their fossil records of dominant life.
前寒武紀之后，根據主要生物化石紀錄劃分出3個代。
Fossil Records and Molecular Clock Study of the Time of Origin of the Precambrian Biologic Lineages
前寒武紀生物起源時間的化石和分子鐘研究
The Early Precambrian Collisional Orogenic Process and Plate Tectonics: Chance and Challenge of Precambrian Geology
早期碰撞造山過程與板塊構造：前寒武紀地質研究的機遇和挑戰
Brief Introduction and Comment on the Special Reference to the Precambrian Subdivision by the International Commission on Stratigraphy
對國際地層委員會前寒武紀劃分參考方案的簡介及評述
Tectonic framework of North China Block and its cratonization in the early Precambrian
華北陸塊基底構造格局及早期大陸克拉通化過程
Silicon Isotope Compositions of Precambrian Banded Iron Ore Deposits and Its Geological Significance
返回目錄前寒武紀條帶狀鐵礦硅同位素特征及其地質意義
Groundwater Occurrence in the Lower Palaeozoic and Precambrian Rocks of the UK: Implications for Source Protection
英國古生代和前寒武紀巖早期的地下水出現：水源保護的意義
New Comment on the Early Precambrian Tectono-Magmatic Subdivision and Evolution in the Western Shandong Block
魯西地塊早前寒武紀構造-巖漿活動區劃及演化的新認識
Geochronological Study on Formation and Metamorphism of Precambrian Basement and Their Mineralization in Yunnan, China
云南前寒武紀基底形成與變質時代及其成礦作用年代學研究
Review and deliberation of the researches on Early Precambrian metamorphic stratigraphy
早前寒武紀變質地層學研究的回顧與思考
Geochemical characteristics and depositional environments of the Late Precambrian bedded siliceous rocks in western Hunan
湘西晚前寒武紀層狀硅質巖的熱水沉積地球化學標志及其環境意義
The Early Precambrian Tectonic Evolution of Continental Craton: A Case Study from North China
大陸克拉通早期構造演化歷史探討：以華北為例
International Conference of Mineralization in Precambrian Terranes
前寒武紀地體中成礦作用國際研討會
The Late Precambrian Hot Water Sedimentation of the Southeast Yangtze Plate Continental Margin
揚子板塊東南大陸邊緣晚前寒武紀熱水沉積作用
Distribution, Types and Characteristics of the Precambrian Lead-Zinc Deposits in Eastern China
中國東部前寒武紀鉛鋅礦床的分布及類型特征
Geochemistry Characteristics of Trace Elements of Precambrian Metamorphic Rock in Northern Fujian
閩北前寒武紀變質巖地層微量元素地球化學特征
Tectonic Pattern of the World Precambrian Basement and Problems of Paleocontinent Reconstruction
全球前寒武紀基底構造格局與古大陸再造問題
