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With stromatolite but no desiccation crack, the depositional environment of Middle-Late Cambrian in the area was intertidal zone to subtidal zone with the shallow-water features.

根据其中石和无明显泥裂造,推测为间带-下带沉积环境。

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ergobasine, ergobasinine, ergocalciferal, ergocalciferol, ergochrysin, ergoclavine, ergocornine, ergocorninine, ergocristine, ergocristinine,

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3G, 401(K), a,

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环境与科学

This is a piece of a living stromatolite, that I've just chopped.

这是一块活叠层石,我刚刚把它切碎。

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TED演讲(音频版) 2019年10月合集

Now, what probably looks like a bunch of wrinkly old rocks are actually stromatolites.

现在,可能看一堆皱巴巴古老岩石实际上是叠层石。

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TED演讲(音频版) 2019年10月合集

And their fossils are often preserved as layered rock structures, called stromatolites.

它们化石通常保存为层岩石结构,称为叠层石。

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SciShow 合集

The wavy shapes and textures of certain layers looked similar to other stromatolites.

某些层波浪形和纹理看与其他叠层石相似。

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科学杂志:地质学

These limestone-like carbonates are known on Earth to preserve stromatolites, mounds formed by bacterial growth.

这些类似石灰石碳酸盐在地球上以保存叠层石而闻名,叠层石是由细菌生长形成

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In 2016, researchers found signs of some really old fossils called stromatolites, which are sediment layers made by bacterial mats.

2016 年,研究人员发现了一些名为叠层石古老化石迹象,这些化石是由细菌垫形成沉积层。

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SciShow 合集

The fossils are called stromatolites, and they’re made up of layers of sediment formed by growing mats of bacteria.

这些化石被称为叠层石,它们由生长细菌垫形成沉积物层组成。

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PBS趣味科普

And billions of years ago, these stromatolites, ancient communities of photosynthetic bacteria that are equal parts biology and geology, may have exhaled the first breaths of life-giving oxygen.

数十亿年前这些叠层石,古老光合细菌群落,它们在生物学和地质学中是一样部分,可能已经呼出了第一口提供生命氧气。

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SciShow 合集

The shape and texture of certain layers in the rocks, plus their chemical composition, are clues that there are stromatolites made by microbes inside the rocks.

岩石中某些层和质地,加上它们化学成分, 是岩石内部存在由微生物形成叠层石线索。

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环境与科学

These calcareous structures — the result of what was a brand-new process, using solar radiation as a source of energy — are stromatolites, constructed by complex microbial communities, in particular cyanobacteria.

这些钙质结构是叠层石,由复杂微生物群落构成,特别是蓝藻细菌。这是一个全新过程,利用太阳辐射作为能量源。

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SciShow 合集

Layers of sediment can also just build up over time, but the shape and chemical signatures in a stromatolite can reveal if it was formed by microbes.

随着时间推移, 沉积物层也会不断堆积,但叠层石和化学特征可以揭示它是否是由微生物形成

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SciShow 合集

In a paper published this week, Australian researchers found signs of stromatolites in 3.7 billion year old rocks in Greenland – some of the oldest rocks anywhere on Earth.

在本周发表一篇论文中,澳大利亚研究人员在格陵兰岛 37 亿年前岩石中发现了叠层石迹象, 这些岩石是地球上任何地方最古老岩石之一。

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ergography, ergoklinine, ergoklonin, ergokryptine, ergokryptinine, Ergol, ergoline, ergometer, ergometric, ergometrine,

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3G, 401(K), a,
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