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

在这个巨大的盆地中积了以砂砾的积群。

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

这种与水的联系就外星积罕见的原因。

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。

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——火星上的积种类繁多，令人眼花缭乱，这些积都火星在更温暖、更潮湿的过去遗留下来的。

Why was the sedimentary rock so cheap?

什么积这么便宜?

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

正如初预期的那样，这些并积。

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

从称页的积中提取天然气和石油的过程。

Above those were hard sedimentary rocks which he called Secondary.

上面坚硬的积， 他称之次生。

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，一种由温泉中矿物质含量很高的水积而成的积。

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

几千年后，这些积层将变成积。

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

对古代积的对比分析表明，大量史前动物的消失由多次火山爆发造成的。

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

这块骨头被埋在积中，积层层叠叠地位于地下。

Sedimentary rocks take many forms, sand stones, mud stones, shales, iron stones, you name it.

积有多种形式，砂、泥、页、铁矿石，应有尽有。

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

化石燃料一词指的积中被困的动植物残骸。

Different kinds of sediments characterize different sedimentary rock types.

同种类的积物表征同的积类型。

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

如果有积，这些洞可能表明它们由流体形成的。

Like igneous rocks could skip being sedimentary rocks and go directly to being a metamorphic rock.

就像火成可以跳过 积，直接变成变质。

Sedimentary rocks like sandstones form when preexisting rocks break down into bits that pile up and stick together to form a new rock.

像砂这样的积由先前存在的石分解成碎片堆积在一起形成新的石形成的。