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I mean, look at this on the microscope. I would say somewhere between about . million years ago and .. Wow. Wow, so this was E… Yup. ..Which is million. Now we are , so we have million. Yeah, that sounds like a good estimate, so million years in three metres. In three metres. We’ve been stuck in the same zone for a while, going forward very slowly, and then all of a sudden… HE CLICKS HIS FINGERS ..boom, big jump in time. The team are noticing clues in the latest cores something extraordinary. But as you go down, it’s just more and more and more of it. It’s got this greenish tint. Yeah, there’s one right there. We’ve now had four cores of ever-coarsening sands. I think the only process on Earth that can do that is a tsunami. Tsunamis are huge, turbulent waves that rip material from the seabed. When the wave passes, the material is deposited back on the ocean floor in size order. The heaviest, most coarse sand settles first, the finer sand on top. The thicker the deposit, the bigger the tsunami. And the fact it’s already, like, metres thick probably already makes it one of the largest, maybe the largest tsunami deposit ever discovered. And if it keeps getting thicker as we go, it will absolutely, unquestionably, be the largest tsunami deposit ever discovered. And, of course, it’s right here in ground zero of the impact. It’s the first major clue of how the impact of this asteroid could have caused a deadly chain of events, starting with the biggest tsunami in history. , miles away in New Jersey, Ken Lacovara has also picked up evidence of what could have been a tsunami. After that asteroid hit, it’s just chaos on the continent. There are tsunami waves lapping up against the continent. You’re going to have trees floating down the estuaries. You’re going to have sediment choking the rivers. And that’s exactly what we see there. Here in our fossil bed, we get a mixture of marine organisms and organisms that came in from the land. One of our more common fossils is wood. In the Gulf of Mexico, the crew are on the verge of breaking into the asteroid impact crater, but, at the worst possible moment, they’ve hit a roadblock. So they just woke me up because there’s a problem with the drilling. We don’t know if it’s snapped or if it just got stuck a little bit. We don’t know, but they have to bring it back to the surface to take a look. As they get nearer the crater, the rock is getting tougher to penetrate, and that’s causing problems with the drill. TOOL BUZZES Getting to the point where you start pushing the drill beyond its capacity, and right now, there’s no… There’s no drilling rods, no bit, no anything in the hole. While the engineers fix the rig, the scientists lose valuable drilling time. Behind me, you’ll notice the rig is not moving. SPARKS CRACKLE The pump that allows it to turn is actually broken. RUMBLING We’re in a bit of a race against time now. We’re going to struggle to get to , metres. So we’re all hopeful fingers, toes and so on are crossed and we’ll see how this goes. Finally, after a month of drilling, the team are pulling rock from the asteroid crater itself.



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