National Geographic describes this as a scar in the Earth's crust.

家地理杂志把它描述为地壳上的一道。

The Earth's outermost surface is made up of large tectonic plates.

地球最外由大型的地壳板块构成。

This is the ocean floor. But this isn't rock sprouting out at the bottom.

这就是大洋底。但是它的形成却不是因为底部地壳的挤压。

Hydrogen sulphide gas bubbles up from oil deposits in the Earth's crust.

硫化氢气体从地壳内的油气储中溢出。

They discovered a thinner than expected crust.

他们发现了比预期更薄的地壳。

National Geographic describes it as a scar in the Earth's crust.

家地理杂志把它描述为地壳上的一道。

Most volcanoes whether on land or underwater are located where tectonic plates meet.

无论是在陆地上还是在水下，大多数火山都位于地壳板块交汇的地方。

The giant theoretical chunks that compose the Earth's outer crust.

构成地壳的巨大理论块。

It's what National Geographic describes as a scar in the Earth's crust.

这就是家地理杂志所说的地壳上的。

When that plume reaches the planet's crust, it forms a hot spot.

当羽流到达地球的地壳时，它形成了一个热点。

Plate tectonics created heat and pressure, that produced rock lighter than the ocean floor.

地壳板块运动的不断加热和挤压从海平面上升起大量岩石、陆地。

Earth's crust is the only thing in their way.

唯一挡着它们去路的只有地壳。

Still, the crust is very thin compared to the other layers.

尽管如此，与其他相比，地壳还是很薄的。

That's because Earth's crust is made up of 45% oxygen.

这是因为组成地壳的成分中有 45％ 是氧。

It also plays a large part in the Earth's crust.

它也是地壳的重要组成部分。

Billions of years ago, movements in the Earth's crust created Jade.

数十亿年前，地壳的运动创造了玉石。

Eridania Basin is a huge basin in some of the most ancient crusts on Mars.

艾瑞达尼亚盆地是火星上一些最古老地壳中的一个巨大盆地。

Unlike other planets, Earth's crust isn't simply a single shell.

与其他行星不同的是，地球的地壳不仅仅是一个单一的外壳。

Those shifting tectonic plates a billion and a half years ago?

那些 15 亿年前移动的地壳板块？

In some places, denser crust sinks under lighter crust.

在一些地方，致密的地壳沉到较轻的地壳下面。