地球的力量 第1集 火山(7)一個(gè)新的島嶼產(chǎn)生了

It's over 100 miles wide and at least 370 miles deep.

它有100公里寬 至少有600公里深

Created more than 50 million years ago,

5千萬年前就形成了

the plume is sustained by heat continually rising upfrom the Earth's hot core.

由于有來自地核持續(xù)不斷的熱能 這個(gè)羽狀熔巖一直存在至今

This giant plume does more than just warm up Iceland's hot springs.

但是這個(gè)羽狀巨型熔巖對(duì)冰島的影響可不僅僅是使溫泉變熱

It also created Iceland itself.

它還創(chuàng)造了冰島本身

In 1963, there was an event that showed how it must have happened.

1963年的時(shí)候 我們看到了這一幕是怎么發(fā)生的

A volcano, just beneath the sea surface blasted its way out of the water.

海底的一個(gè)火山從海水里噴了出來

A new island, Surtsey, was born.

蘇特賽 一個(gè)新的島嶼產(chǎn)生了

This is what Iceland must have looked like 15 million years ago when it first burst above thesurface.

這一定就是在5千萬年前 火山噴發(fā)時(shí)冰島的樣子了

Iceland owers its existence to the plume of super-heated rock beneath it.

冰島不僅僅是因?yàn)樗妥湓诨鹕街?/p>

But it's also shaped by the Earth's inner heat

這個(gè)小島的形成還得益于

in another,even more dramatic,way.

地?zé)岬牧硗庖环N更有威力的方式

This extraordinary rock face at Thingvellir shows how.

在冰島古議會(huì)舊址 奇特的巖層會(huì)告訴我們

From the air,it's clear just how unusual this rock face is.

從空中看下來 就會(huì)知道這個(gè)巖層是怎樣與眾不同