Precambrian是什么意思

网络释义

用法例句

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

Hydrothermal Sedimentary Characteristics of the Precambrian Baritic Rock, Mianning, Sichuan Province;

四川冕宁前寒武纪重晶石岩的热水沉积特征及其矿床成因意义

Fe isotope characteristics of early Precambrian pyrite deposits and their geological significance:examples from Shandong and Hebei Provinces;

早前寒武纪硫铁矿矿床Fe同位素特征及其地质意义——以山东石河庄和河北大川为例

The authors discuss some major geological issues in Pre-Cambrian and Mesozoic ear in the South -East China in the light of recent geological mapping and re-expound the geological texture of Mesozoic ear in the South-East China.

作者根据近期一系列地质编图所取得的认识,就中国东南部前寒武纪和中生代地质的一些主要问题进行了讨论。

Therefore,the Re-Os age of molybdenite in the Lüliang period not only provides evidence for existence of the Pre-Cambrian metallogenic period,but also shows the prospecting direction to find molybdenum deposits and the metamorphic porphyry-type copper-molybdenum ore in this area.

因此,吕梁期辉钼矿Re-Os年龄的获得,一方面证实了前寒武纪成矿期的存在,另一方面也为该地区寻找钼矿及变斑岩型铜钼矿指出了找矿方向。

The regional ore-forming process was closely related to the Pre-Cambrian crystalline basement.

笔者认为,区域内铅锌(银)成矿与前寒武纪基底变质岩关系密切,矿体产于特定的地层层位和岩性建造(大理岩、含碳碎屑岩)内,并受一定构造部位的控制,华力西期岩浆活动对成矿具有改造变富作用,矿床成因类型属沉积变质-热液改造型层控矿床。

The Geological Evolution and Mantle Convection of the North China Platform in Early Precambrian;

华北陆台早前寒武纪地质演化与地幔对流模式

Early Precambrian Basic Volcanism and Crustal Growth in the North China Craton;

华北克拉通早前寒武纪基性火山作用与地壳增生

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

Research on the Microplants in Late Precambrian of China;

中国晚前寒武纪微古植物研究

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

A discussion on the Late Precambrian stratigraphic sequences of Southern Liaoning;

辽南晚前寒武纪地层层序问题的研讨

The paper presents the distribution and geologic characteristic of early Precambrian migmatitic granite and granite in Liaoning province.

研究了早前寒武纪辽宁省混合花岗岩和花岗岩的分布及岩石特征。

Early - Precambrian rocks are widely exposed in Dunhuang-Beishan area, GansuProvince.

甘肃敦煌－北山地区广泛出露早前寒武纪岩石。

The muscovites from Precambrian metamorphic rocks in Wutai Shan belong to the 2M-polytype of dioctahedrom: those from Wutai group are common muscovites rich in celedonite and those from Hutuo group are phengite.

五台山早前寒武纪变质岩中的白云母属二八面体的2M型多型变体,其中五台群中的白云母为富含绿鳞石分子的普通白云母,滹沱群为多硅白云母。

BOUNDARY EVENT BETWEEN PRECAMBRIAN AND CAMBRIAN PERIODS IN SPECIAL REFERENCE TO CARBON AND OXYGEN ISOTOPES

碳氧同位素与前寒武纪和寒武纪边界事件

(geology) formed in the later of two divisions of the Precambrian era.

（地质学）在前寒武纪后半部分形成的。

IMBRICATED AMALGAMATION TECTONICS IN EARLY PRECAMBRIAN CRATONS

早前寒武纪克拉通内的叠瓦拼贴构造

A SUMMARY ACCOUNT OF INTERNATIONAL SYMPOSIUM ON METALLOGNY OF THE EARLY PRECAMBRIAN

国际早前寒武纪成矿作用讨论会综述

THE GEOLOGICAL EVOLUTION OF THE EARLY PRECAM- BRIAN OF THE TAIHANG-WUTAI MOUNTAINS REGION, CHINA

太行—五台山区早前寒武纪地质演化

STRUCTURAL DEFORMATION OF THE EARLY PRECAMBRIAN ROCK GROUPS IN THE ANSHAN AREA, LIAONING PROVINCE

鞍山地区早前寒武纪岩群的构造变形

The Petrological Study of the Precambrian Metamorphic Basement in the Central Tianshan, Xinjiang Province;

中天山前寒武纪变质基底岩石学研究

(geology) formed in the earlier of two divisions of the Precambrian era.

（地质学）在前寒武纪中的前半部分中形成的。

Of, belonging to, or designating the earlier of two divisions of the Precambrian era.

早期前寒武纪（的）前寒武纪的两期中较早的一期的，属于它的或以其命名的

Precambrian time accounts for as much as eighty-five percent of all geological time.

前寒武纪占据了整个地质年代的百分之85。

DEVELOPMENT AND THEIR FOSSIL RECORDS OF METAPHYTES FROM LATE PRECAMBRIAN

晚前寒武纪后生植物的发展及其化石证据

Division and Correlation of Early-Precambrian Metamorphic Basement in Heben Province, China

河北省早前寒武纪变质基底的划分和对比

IMPORTANT NEW PROGRESS IN STUDY ON EARLY PRECAMBRIAN STRATIGRAPHY OF CHINA

我国早前寒武纪地层研究的主要新进展

On Discremination of Postore Dykes in Early Precambrian Hydrothermal Deposits

早前寒武纪热液矿床成矿后岩脉的鉴别

Chronological Framework of the Early Precambrian Important Events in the Luliang Area, Shanxi Province

吕梁地区早前寒武纪主要地质事件的年代框架

Study on Allocation,Deformation and Metamorphism Contemporaneity of Early Precambrian Intrusives

谈早前寒武纪侵入岩定位、变形、变质的同期性

The Metamorphic Evolution of Early Precambrian Rock Series in Zhuozi Inner Mongolia

内蒙卓资地区早前寒武纪变质作用的演化

DUCTILE SHEAR ZONES IN EARLY PRECAMBRIAN POLYPHASE DEFORMATION AND METAMORPHISM AREAS

早前寒武纪多期变质变形区主期韧性剪切带