This is still one and the same impact, we have the Chicxulub impact here, 这还是一次碰撞，假设这里就是希克苏鲁伯大碰撞， very quick sedimentation by Tsunami waves, and at the very end we get the Iridium from the Chicxulub impac...
Smit also examined the layers of green clay mineral. Smit也检测了绿色粘土矿物层。 He did his own x-ray diffraction analysis... 他亲自做了X射线衍射分析， and found not Glauconite, but a different mineral called Smectite. 结果并...
The fact that we find these species in the rocks above the Chicxulub impact rocks 在希克苏鲁伯大碰撞上方岩层发现这些物种， means that Chicxulub impact must predate the mass extinction by about three hundred thousand years 说明希克...
Gerta Keller also had samples from the core. Gerta Keller也有一些岩芯样本。 She was looking for something quite different. 她正在观察一些很不寻常的东西。 I just scanned them very rapidly, and at first I didn't see anything, 我大...
In other words, Stinnesbeck thought the rock had been formed slowly, by sedimentation. 也就是说，Stinnesbeck认为岩石是因为缓慢的沉积作用形成的。 There must have been a long time, between the impact below the core and the arriva...
At the end of 2001, an international team of scientists gathered near Chicxulub. 2001年底，一支国际科研小组来到希克苏鲁伯附近。 They used an oil rig to drill down over a kilometre into the heart of the crater. 他们利用石油钻...
The Iridium must have come from an asteroid, but it must have been a second impact, three hundred thousand years later, 铱只能来自小行星，但那肯定已是30万年后的第二次碰撞， for which we simply don't know where the crater is 我...
It was a Eureka moment, absolutely. 这是激动人心的时刻，绝对是。 We danced, we jumped up and down, and said we've got it. 我们跳舞，欢呼雀跃，我们找到它了。 They were excited because these spherules were eight metres be...
So this layer up here has nothing to do with the lower level, 所以这里的上层地层和下层地层丝毫不相干， the two are separated by time, and by a considerable amount of time. 它们因为时间而分隔，而且肯定是很长一段时...
It's a nice story but when you take a second look, the story just doesn't stack up, 这个故事是不错，但如果你再看一下，你会发现这个故事无法连起来， there is something fishy about it, it just doesn't make sense. 里面有些...
