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

国家地理杂志把它地壳上的一道伤疤。

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

地球最外层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层中溢出。

The whole time it's underground, the hot seawater is leaching metals from the surrounding crust, which is full of huge amounts of sulfur, along with metals including copper, gold, zinc, lead, and silver.

整个过程一直在地下，炽热的海水从围的地壳中浸出金属，地壳中充满了大量的硫，以及铜、金、锌、铅和银等金属。

They discovered a thinner than expected crust.

他们发现了比预更薄的地壳。

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

国家地理杂志把它地壳上的一道伤疤。

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。

Some of the magma pushes through the cracks in the Earth's crust at vents and at fissures and reaches the surface where it is then called lava.

一些岩浆穿过地壳的裂口和裂缝到达地表，在那里它被称熔岩。

Some of the magma pushes through the cracks in the Earth's crust at vent and at fissures and reaches the surface where it is then called lava.

一些岩浆从火山口和裂缝处穿过地壳的裂缝，到达地表，在那里它被称熔岩。

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

构成地壳的巨大理论块。

Japan, which lies at the crossing of four tectonic plates, endures about 20 percent of the world's powerful earthquakes, frequently jolting Tokyo and other major cities where buildings are made to be tremor resistant.

日本位于地壳四大板块的交会点上，受世界上20%的强烈地震的影响。地震频繁侵扰东京和其他几个主要城市，那里的建筑物都被设计抗震型的。

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

这就是国家地理杂志所说的地壳上的伤疤。

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。

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

唯一挡着它们去路的只有地壳。

Those with values closer to those found in seawater formed much nearer the crust.

那些与海水中发现的值更接近的物质形成于更接近地壳的地方。

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

这是因组成地壳的成分中有 45％ 是氧。

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。

6000 meters is the average depth of the oceanic crust beneath the ocean floor.

6000米是大洋底下的海洋地壳平均深度。