尽管伊迪卡拉是以澳大利亚的一处地名而命名，但伊迪卡拉沉积层却遍及世界各地，并且可追溯到前寒武纪时代。
Although named after a site in Australia, the Ediacaran formation is worldwide in distribution and dates to Precambrian times.
因此，前寒武纪的动物肯定曾经生活在这么深的地方。
Precambrian animals must therefore have lived at such depths.
它们是前寒武纪岩石。
它是前寒武纪变质岩内一种重要的构造现象。
They are important structural features in the Precambrian metamorphic rocks.
本文报道了一个前寒武纪古俯冲杂岩的例子。
This paper tackles the problem of a Middle Proterozoic fossil subduction complex.
发现的并不是前寒武纪的动物本身，而是它们的足迹。
These findings are not of Precambrian animals themselves, but of their tracks.
前三个时期合起来持续了40亿年，合称为前寒武纪（隐生宙）。
The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian.
前寒武纪岩石被称为基岩，因为它们通常深埋于地表之下。
Precambrian rocks are described as "basement rocks" because they are usually buried deep under the surface.
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。
The Mashan group and Heilongjiang group are major components of the base of Precambrian Jiamusi block.
叠层石和臼齿构造是前寒武纪较为引人注目的两种沉积现象。
Stromatolite and molar-tooth structures are two kinds of peculiar Precambrian sedimentary phenomena, attracting great attention from geologists.
研究结果还表明磁化率能够作为前寒武纪的古气候替代性指标。
This research also reveals that susceptibility can be used as a palaeoclimate proxy for Precambrian successions.
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。
Chemical fossils (e. g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
它们紧密共生，呈狭长的带状分布于辽宁北部晚前寒武纪造山带内。
The rocks coexist closely, distributing in a narrow and long belt in the Late Precambrian orogenic belt in northern Liaoning.
初始地壳，尤其是前寒武纪的变质基底是金矿密集区形成的物质基础。
It is thought that the original crust, especially the metamorphose basement of Precambrian is the base of gold-ore formation.
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。
That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon.
所有的证据表明该变质地体是一个典型的前寒武纪低压型前进变质地体。
All the evidences indicate Miyi Precambrian metamorphic rock series is a typical low pressure metamorphic terrain.
这一最新成果对进一步研究我省前寒武纪构造及岩浆演化具有重要意义。
The above-mentioned results are of significance for further study of Precambrian structures and magmatic evolution in Fujian Province.
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。
Precambrian BIF iron ore deposit can be divided into two types, Algoma-type and Lake Superior-type.
理查德·道金斯：大卫，我知道你正在做一个关于寒武纪和前寒武纪化石的专题节目。
RD: I know you're working on a programme about Cambrian and pre-Cambrian fossils, David.
鲁西地区的前寒武纪侵入岩分为太古代泰山期和早元古代傲徕山期二部分。
The Precambrian intrusive rocks in western Shandong area mainly fall into two parts: the Taishanian (Archean) and the Aolaishanian (early Proterozoic) intrusive rocks.
前寒武纪铁建造中的金矿床是世界上一种重要的金矿类型，深受国内外地质工作者的重视。
Gold deposit in Precambrian banded iron formation is an important type of gold ore, which has been paid more attention by many domestic or alien geologist.
概述了中国在晚前寒武纪——寒武纪生物化石群研究多方面（尤其是大化石）的主要成就。
The many achievements in the study on. the fossils (in especial megafossils) of late Precambrian - Cambrian in China are outlined.
黑龙江省前寒武纪基底具有构造复杂、岩浆活动频繁、变形变质强烈、成矿活动特殊等特点。
The characteristics of Precambrian basement in Heilongjiang province are complex structures, frequent magmatic activity, intense deformation and alteration and particular metallogenic activity.
未变形未变质的前寒武纪岩墙群的存在表明前寒武纪华北克拉通已经具有了刚性板块的性质。
The existence of the undeformed and unmetamorphed Precambrian dike swarms shows that the Precambrian North China Craton had been a rigid plate.
青邑韧性剪切带是晚太古代末期发育在鲁西前寒武纪基底花岗岩中一条规模较大的韧性剪切带。
The Qingyi ductile shear zone (QDSZ) developed in Late Archean is a large-size ductile shear zone in granite of the western Shandong Precambrian basement.
指出区内的地震活动范围、位置、强度和深度受前寒武纪结晶基底的起伏构造形态和深度的影响与制约。
The study shows that the range, location, intensity and depth of earthquakes are effected and restricted by the rolling topography of Precambrian crystal basement.
新疆塔里木盆地周边发育前寒武纪变质岩系，其太古宙变质岩系分布在库鲁克塔格—星星峡及阿尔金山前。
The Precambrian metamorphic rocks are developed at the margins of Tarim basin of Xinjiang, among which the Archean metamorphic rocks are distributed in Kuruktag-Xingxingxia area and Altun forelands.
古生代是地质时期的一个时代，从前寒武纪末开始，到中生代初，大约从5.7亿年前到2.25亿年前。
An era of geologic time, from the end of the Precambrian to the beginning of the Mesozoic, or from about 570 to about 225 million years ago.
赣东北前寒武纪港边火成杂岩体广泛发育不同类型的矿物间不平衡结构，指示该杂岩体曾发生过广泛的岩浆混合作用。
There are various lopsided texture types among minerals, indicating extensive magma mixing in the Precambrian Gangbian magma-mixed complex from northeastern Jiangxi Province.
赣东北前寒武纪港边火成杂岩体广泛发育不同类型的矿物间不平衡结构，指示该杂岩体曾发生过广泛的岩浆混合作用。
There are various lopsided texture types among minerals, indicating extensive magma mixing in the Precambrian Gangbian magma-mixed complex from northeastern Jiangxi Province.
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