他还认为叠层石是有机体的来源。
本文就柱状叠层石的生长过程作一简要的分析。
This paper analyses the growing process of columnar stromatolites.
雨水渗过地面和贝壳,溶解碳酸钙并把其带到叠层石上。
Rain water is leaching through the ground and the shells, dissolving out calcium carbonate and carrying to the stromatolites.
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.
在浅色白云岩地层中富含炭化的黑色非叠层石生态系兰细菌白云岩。
In light colour dolostone abound with carbonification blackly non-stromatolite ecologic system cyanobacteria dolostone.
叠层石的形态和它们与陆源沉积的关系反映了沉积盆地的构造背景。
Stromatolite morphologies and their terrigenous sediment association indicate depositional basin tectonic setting.
结果表明其由核心和叠层石包壳组成,具有核形石特有的结构和构造。
The structure and texture found in these nodules are characteristic of oncolite.
所以这是一个重要的遗址,在这里我们可以看到叠层石生成的真实情况。
So this is an important site where we can look at the circumstances in which stromatolites actually occur.
摘要:关于叠层石形成的主控因素在叠层石的研究中缺乏理论性的总结。
Abstract: the main controlling factors in the formation of stromatolites lack a theoretical summary.
对各类叠层石的深入细致研究将对沉积学和环境学的研究提供宝贵的现代对应物。
The detailed discussion and study on Qaidam examples will offer valuable modern analogues in the research of sedimentology and environmental science.
对比论述了后生动物的演化和环境因素在叠层石的形成与衰减的过程中谁占主导作用。
At last, this paper discusses what is the dominant function in the formation and decline of stromatolites beween the evolution of metazoans and changing environments.
与现代叠层石的对比进一步明确了新生代柴达木盆地湖相叠层石的沉积特点和属性特征。
Compared with the modern stromatolites, the Neogene stromatolites in the Qaidam Basin was further elucidated in sedimentation and features.
形成叠层石的蓝绿色藻类通过分解二氧化碳和排出氧气,从而有助于创造出我们目前的大气层。
The blue-green algae that form the stromatolites helped create our present atmosphere by breaking down carbon dioxide and excreting oxygen.
巨人岬的叠层石群位于一处面积不大的咸水滩中,暴露于惊涛骇浪和已“搬迁入住”的天敌虎口之中。
The stromatolites in the Giant's Causeway are in a tiny brackish pool, exposed to the violence of waves and easy prey to the animals that are already living amongst them.
科学家们相信,数十亿年前,Pibara岩群含有细菌形成的独特特征—即如今看到和研究的“叠层石”的特征。
And all those billions of years ago, scientists believe that microbes formed some distinctive features in the Pilbara rocks - features called "stromatolites" that can be seen and studied today.
柴达木盆地频繁变化的湖相水体条件和周围的构造运动是叠层石形态多样,成因各异的主要外部和环境因素。
Overall, the frequently fluctuated lacustrine conditions and the surrounding tectogenesis are mainly responsible for the greatly varied form, different genesis of stromatolites.
巴西桑托斯盆地白垩系藻叠层石礁是湖相碳酸盐岩一种特殊的储层类型,对于丰富湖相碳酸盐岩理论具有重要意义。
The Cretaceous lacustrine algal stromatolite reef of Brazil's Santos Basin is a special type of reservoir. This study enriched lacustrine carbonate theory.
柴达木盆地西部干柴沟一带发现大量第三纪湖相叠层石,主要存在于第三系的下干柴沟组下段到下油砂山组的数千米厚的地层中。
Stromatolites are found to be abundant in the thousand-meter-thick lower member of the Ganchaigou Formation and the lower Youshashan Formation in the Ganchaigou area, west Qaidam Basin.
当浅水区的蓝细菌和其它微生物生长的时候,一些沉积物沉积在上面,它们结合在一起形成岩石一样的小石塔和石丘,最后逐渐形成层状叠层石。
Cyanobacteria and other microorganisms build stromatolites in shallow water as they grow, gradually trapping and binding sediments into the small rock-like towers and mounds.
它还可以与南乌拉尔、西伯利亚、北美、北非和阿拉斯加半岛等地区的中里 菲 界上部—上里 菲 界下部层位中的叠层石组合对比。
It could also be correlated with that in the upper horizon of the Middle Riphean—lower horizon of the Upper Riphean in South Ural Mountains and Siberia of Russia, North Africa, and Alaska Peninsula.
叠层石是世界上已知的最古老化石。组成这些石头的这种微小的藻类或细菌也被认为是最古老的生命形式,在超过三十亿年后的今天仍然存在。
The tiny algae or bacteria that build them are also thought to be the most ancient life form that is still around today, after more than three billion years.
建筑临街立面是罗马式砌砖、粉刷和卡拉拉大花白大理石组成的叠层,参考了邻近古典房屋的比例。
The street façade - in overlayed planes of loadbearing Roman-format brick, render and Carrara Arabescato marble – refers to its classic neighbours' proportions.
千层石纹路清楚,有层次,外形千姿百态。适用于叠山驳岸,美化自然,建造奇异的园林景观。
Melaleuca stone lines clear, level and form strange things. Applies to stack Hill revetment and beautify the natural construction of exotic garden landscape.
质地优良,层次鲜明深刻,像一层一层叠上去的层书一样,是千层石中的精品。
Fine texture, the level of deep and clear, like a layer of a layer of the same layer of the book, is a thousand stone in the boutique.
质地优良,层次鲜明深刻,像一层一层叠上去的层书一样,是千层石中的精品。
Fine texture, the level of deep and clear, like a layer of a layer of the same layer of the book, is a thousand stone in the boutique.
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