In this huge bowl, sedimentary rocks gathered, dominated by conglomerates.

在个巨大的盆地中积了以砂砾岩为主的积岩群。

This link to water is why alien sedimentary rocks are rare.

种与水的联系就是外星积岩罕见的原因。

The layers of mud, sand and ash turned into hard sedimentary rocks.

一层层的泥、沙和灰变成了坚硬的积岩。

On the side of that crater the scientists saw straight away the distinctive strata of sedimentary rock.

在陨石坑一侧，科学家们可以直接看到独特的积岩地层。

The sedimentary rocks of the Badlands contain one of the world’s largest and most complete collection of mammal fossils.

荒地的积岩中含有世界上大、完整的哺乳动物化石。

Mars also boasts sedimentary rocks—a dazzling variety of them, left behind from its warmer, wetter past.

火星上也有积岩——火星上的积岩种类繁多，令眼花缭乱，积岩都是火星在更温暖、更潮湿的过去遗留下来的。

Why was the sedimentary rock so cheap?

为什么积岩么便宜?

These were not  sedimentary rocks, as had first been anticipated.

正如初预期的那样，并不是积岩。

The process of getting natural gas and oil out of sedimentary rock called shale.

从称为页岩的积岩中提取天然气和石油的过程。

From this time in history we still have Stromatolites, sedimentary rocks built by microorganisms.

从历史上的个时期开始，我们仍然有叠层石，即由微生物形成的积岩。

This bone was buried in sedimentary rock, which lies in layers under the ground.

块骨头被埋在积岩中，积岩层层叠叠地位于地下。

When these harden, they become sedimentary rock like sandstone, which is made of hardened sand.

当它们硬化时，它们就变成像砂岩一样的积岩，由硬化的沙子组成。

Above those were hard sedimentary rocks which he called Secondary.

上面是坚硬的积岩， 他称之为次生岩。

The terraces are made of travertine, a sedimentary rock deposited by water with a very high mineral content from the hot springs.

梯田由钙华构成，是一种由温泉中矿物质含量很高的水积而成的积岩。

Different kinds of sediments characterize different sedimentary rock types.

不同种类的积物表征不同的积岩类型。

A comparative analysis of ancient sedimentary rock formations revealed that the mass disappearance of prehistoric fauna was caused by multiple volcanic eruptions.

对古代积岩的对比分析表明，大量史前动物的消失是由多次火山爆发造成的。

The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock.

化石燃料一词指的是积岩中被困的动植物残骸。

And if there's sedimentary rocks, the holes could signal that they were shaped by a fluid.

如果有积岩，洞可能表明它们是由流体形成的。

And over thousands of years, those layers of sediment will become sedimentary rock.

几千年后，积层将变成积岩。

So the best place to look for dinosaur fossils is a type of rock called sedimentary rock.

因此，寻找恐龙化石的佳地点是一种称为积岩的岩石。