The Cretaceous | The death of the dinosaurs?...

So now we finally begin the Cretaceous segment! Kicking things off we take a look at what happened during the Cretaceous period itself...
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Chapters:
0:00 Intro
0:36 Discovery
1:33 Geography
4:13 Climate
5:10 Life
17:14 Extinction
24:53 Are they still alive?

[@andrewriggs2764]

I live in the USA and I remember the school telling us that the dinosaurs just died from the astroid instantly and I have always believed it until watching this video. You just blew my mind and I am going subscribe to your channel. I have always been a bit skeptical about how the dinosaurs died and I have felt like them just dieing after the impact that they probably died from some kind of complications from the astroid

[@raylopez99]

Yeah I said the same thing for the @20:00 minute mark. Also in school until the 1960s they did not believe in plate tectonics.

[@aboomination897]

Did not know about the Nadir crater, thx.

[@dino-gen]

No worries, glad you learned something new 🙂

[@latheofheaven1017]

Hmmm. The Nadir crator. Two simultaneous impacts? That was a bad day!

[@daxbashir6232]

Well, it didn't have to happen on the very same day.

[@raylopez99]

@20:00 that the asteroid impact triggered the Deccan Traps lava flows in India: that was my hypothesis decades ago, I'm glad to see it proved with a model. I find it hard to believe that a single asteroid, no matter how big, killed off the dinosaurs, nuclear winter and all, given how wide ranging they were, also consider the marine life which is more or less insulated. Another way of putting it is a "snowball earth" like at the end of the Ordovician would have left nothing. So the asteroids indeed killed the dinosaurs, but not exactly as a lot of people imagine.

[@dapeach06]

I've most recently heard on Kurzgesagt that the asteroid made the Deccan Traps worse, but the eruptions were already going on for thousands of years before the impact

[@raylopez99]

@@dapeach06 Interesting. How much worse is worse? Reminds me of fracking exacerbating earthquakes. Even when ExxonMobil had their HQs in northern VA (btw which makes no sense, they've since moved back to Texas) an experimental fracking well they drilled here possibly caused a small earthquake, which is very rare on the east coast.

[@mietitore1823]

Here’s a fact, we do know what time of season when Chicxulub hit. Fossilized seeds and fish were found and by the time of the year, it showed it during spring. We may not know what date or time it happened but we know which season it did.

[@ravensthatflywiththenightm7319]

17:21 This reminds me, so I've always been confused about this. Almost everyone from movies to books claim the dinosaurs went extinct 65 million years ago, but there were a few times I encountered different numbers. There was this one book - and probably the first one that showed a Dilophosaurus that WASN'T a Jurassic Park movie franchise book - that said the KT Event was 64 million years ago, and there was World Book Encyclopedia whose books and interactive CD said it happened 63 million years ago. And now more recently I'm hearing 66. Not complaining, just curious why the different numbers?

[@dino-gen]

Well, even though the boundary is the most clearly defined, dating things this old is difficult to do without up to a million years margin of error either side. The 66 MYA has come about since the clay layer showing the boundary has been recently looked back into and redefined as 66 MYA. Hope this helps!

[@thomasgumersell9607]

Great video on this period in Earth's history. Such a wide range of Fauna and Flora in existence. 💪🏻🙏🏻✨

[@flightlesslord2688]

Dinosaurs going 'extinct': 'Oh no! Anyway'

[@brucefsanders]

Distractingly gorgeous ...

[@BananaCake26]

The asteroid impact can't have caused the Deccan Traps eruptions because the flood basalt layers start well before the K-Pg boundary, around 300ka.

[@jackaubrey8614]

Very true but isn't it possible that the extent and effect of the Traps,being antipodal to the impact, were worsened by it?

[@ravensthatflywiththenightm7319]

15:28 OK as an American, that made me giggle 🦅🦅🦅

[@HammboneBob]

5:28 your smoke detector needs new batteries man.

[@dino-gen]

😂

[@ravensthatflywiththenightm7319]

23:28 None more than Megalosaurus amirite. Even though I think they were already extinct at this point.

[@daxbashir6232]

❤

[@subraxas]

👍 👍 👍 👍

[@lucabuonviso5528]

Great video as always but... why on earth would you include a chimera such as Dakotaraptor instead of say, a Deinonychus or a Utahraptor... Peculiar choice there.

[@dino-gen]

Ah, I guess I didn't quite explain in the video, I was just going through what was found in Hell Creek as I do plan to come back to Laramidia in a full video. Though the Dakotaraptor controversy is one that I will also be covering! Definitely need to be a little clearer in my scripts lol

[@lucabuonviso5528]

@@dino-gen Oh right it was specifically about hell creek. Then Utah and Deino wouldn't make sense. Still, I wouldn't include Dakotaraptor :). Looking forward for the video about it then.

[@SuperBetaBuxbros.]

Utahraptor had been extinct by the late mascrictian

[@robcanisto8635]

bro is so debonair like geez

[@dino-gen]

haha thanks!

[@alberto7503]

'Promo SM'