单词Archaean
adj.: 【地质学；地理学】太古代的；太古代岩石的
n.: 【地质学；地理学】太古代；太古代岩石
网络: 太古宙；太古宇；前太古代
【地质学;地理学】太古代的;太古代岩石的
【地质学;地理学】太古代;太古代岩石
The configuration of Ordovician of lower Palaeozoic system highly inherits that of Archaean group and both have a strong consistency.
下古生界奥陶系构造具有很强的继承性，其构造格局与太古界有很强的一致性；
In fact, all life during the more than one billion years of the Archaean was bacterial.
实际上，所有生活在Archaean的超过一十亿年期间是细菌的。
Evidence for life has bee found in the Archaean about 3. 8 billion years ago, but life did not become abundant until the Phanerozoic.
最早的生命迹象发现存在于距今38亿年的太古代，但是地球上的生命在显生宙之前并不丰富。
The Archaean era limestone aquifer close to No. 10 coalbed is the direct aquifer of it.
距离其较近的太灰含水层，是10煤开采的直接充水含水层。
Recent studies show, however, that rapakivi granites can be formed in age from Archaean to Phanerozoic and can even occur in orogen.
环斑花岗岩既可以出现于从太古代到显生宙的各个地质时期，也可以产生于造山带中。
However, contrary to previous views, there is no isotopic evidence that Archaean rocks are present in the Mashan Complex.
然而，与以前的认识相反，麻山杂岩不存在具有太古宙基底的同位素证据。
The mother rock derived form Archaean and Early Proterozoic metamorphic rock from the north-east part of Ordos Basin.
该区延长组母岩主要来自盆地东北缘的太古代及早元古代变质岩。
The characteristics and distributing features of the amphibolites from Archaean era are discussed in this paper.
本文研究了金厂峪金矿太古代斜长角闪岩中构造岩的特征和分布特点；
However, these basic geological data are rarely available in many Archaean terrains.
然而，在许多太古代地层里这些基本地质资料很少用可供利用的。
Archaean rocks are rare because the exposed rock mass diminishes markedly with age due to erosion, burial, and subduction.
太古代岩石非常少，因为随着侵蚀、埋葬、潜没，地表岩石显著的减少了。