Geological megasequences: data pointing to 500+ million years of evolution? Or to the year-long biblical Flood?

“How are oysters (let alone trees) more mobile than dinosaurs? There are far more fossil marine bivalves in layers of that age than mammals.”

Yes, there are far more marine bivalves in the Zuni megasequence; actually, there are more marine than terrestrial fossils in EVERY megasequence. But isn’t this exactly what we would expect, if this was ocean (marine) flooding?

In fact, in the lower levels of flooding–the first three megasequences (Sauk, Tippecanoe, and Kaskakia)–nearly all the fossils are marine. Again, just what we would expect as the ocean waters were rising more and more over all the continents in a global flood.

Not in tsunami flooding.

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Yes. Gradual flooding, with no tsunamis, or sorting by escape ability.

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As I’ve said, I’m not hung up on tsunamis. I’m just saying it was ocean water having powerful enough hydraulics to transport, deposit, and spread vast amounts of ocean floor sediment (much of it shallow marine)–along with its occupants–across the continents.

In other words, the fossil record is largely a record of ecosystems being transported from the ocean floor, then deposited onto the continents.

The popular idea that such hydraulics was nothing more than slowly rising ocean water (.01 inch per week), caused by melting glaciers, over millions of years, simply does not account for the volume of ocean sediment transported and deposited upon all the continents–nor does it account for the fossilization we find occurring in that sediment upon the continents. Animals just keeling over and falling into a lake or flooding river, or fish dying, then sinking (“bloat and float”) will not result in fossils. In fact, one authority even claimed that two fossilized fighting dinosaurs in a desert were killed and fossilized by a giant sand dune collapsing upon them! Ridiculous.

This argument does not gain credibility by repetition.

It does not account for it because it did not happen. How many times does it have to be explained that there was no transport of ocean sediment, and that the sediment formed in place in the inland seas? That is it. Slowly as in hundreds of thousands or millions of years. Slower than Lake Mead drying out. Therefore there is no need for hydraulic force at all - no tsunami, nothing from the Pacific being washed on the continent.

If you wish to persist in believing that fossil shells could be carried inland at 500 miles per hour in a cavitating, turbulent chaos of sand and rock, and then gently laid them down intact in sharply defined strata, and one wave scraped the continent to bedrock, another wave only killed all the big dinosaurs and small dinosaurs and in between dinosaurs, and another wiped out only mammals, fine, people will believe what they believe. It’s not that I do not get what you are saying, it’s that your whole line of argument is top to bottom implausible.

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About interpreting the trees in the forest wrong, the forest is bigger than just a flood. It’s distant starlight and girdled rocks and extinct radioactive nuclides and ice cores and…

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God engineered a lot of clocks into his creation for us to discover and to learn how to use, and they mutually validate and calibrate each other. He didn’t mess with the mechanisms after they were made, either (see Jeremiah 33:25 cited just above). And why aren’t you denying them all except when it’s convenient to your flawed arguments.

As I have said repeatedly, if the deposits were transported, then everything would be smashed in pieces. Finding Atlanta, Haminoea, Limacina, or Creseis is completely incompatible with this.

The sediment was transported grain by grain off the higher parts of the continents, into the high ocean waters, and deposited around the organisms, which then died.

That will usually result in small pieces, which is what we almost always find (even if those aren’t the ones one sees pictures of), if this is a vertebrate; or a shell, in the case of mollusks, arthropods, or echinoderms. Nearly every vertebrate fossil ever found consists of single bones or teeth.

Given the number of people that have been killed by landslides, and the fact that that deposit is from a desert ecosystem, it seems pretty reasonable to me.

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If the sediment was already on the continent, how did it become progressively higher and higher–over two miles thick–on the continent?

And, where did all those ocean creatures–which are found throughout the megasequences–come from?

And, how did they suddenly become buried, and fossilized (even in fine detail), in all that muddy sediment?

And if all that muddy sediment–all 53+ million cubic kilometers of it–was already on the North American continent, then how did all those dinosaurs (including herds of them, in Montana and Alberta, Canada) suddenly find themselves buried alive under tons of this sediment?

Of course, it was not the continent when they lived there. It was the sea. God can move mountains.

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The same way that there are miles thick sediments under our current oceans.

The ocean.

The same way they are getting buried now.

You have never shown that they were suddenly buried under tons of sediment.

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Is there any point in continuing this conversation, Dr. Moderator? :slightly_smiling_face: @donpartain is doing about as well as a flat earther in listening to facts about reality, being obsessed with ‘flood geology’, ignoring all the other physics in the cosmos, near or distant, not to mention ignoring biology and experts who work in the field.

And he does not recognize his theological issue with God’s two-creation plan, the first one being ‘very good’ and not perfect, and ignores scripture as well, notably the Jeremiah citation.

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Do you watch the news? Dozens of people lost their lives in a mudslide within this past month. Not a year goes by but that somewhere in the world some such tragedy occurs. Also, ocean shelf mudslides are frequent. If it happens in the present, why could it not happen in the past?

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But the “mudslides” that became sedimentary layers are in an entirely different league. For one, they did not need a mountain or hill to slide down, to suddenly overwhelm and cover billions of life forms. Secondly, they have buried the greatest percentage of every continent–and are thousands of feet thick on every one of them.

Also, today’s mudslides do not contain ocean life–but every one of the megasequence “mudslides” does, in the form of their fossils.

So, I would say that the mudslides today are quite different from the “mudslides” that left tens of millions of cubic kilometers of ocean sediment upon not just North America, but upon all the continents–all at the same time, even.

You might have the wrong earth, here. According to Britannica.com, the average depth of ocean sediment is only 1500 feet–a little over a third of a mile; not exactly “miles deep.”

But such sediment amounts do help us understand where all that marine (i.e., ocean) sediment came from that is now on all continents.

…or other @moderators

12000 meters = 7.456 miles

https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1002/2015GC006143

https://rwu.pressbooks.pub/webboceanography/chapter/12-6-sediment-distribution/

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You have not been listening. Seabeds get lifted by tectonics to become mountains.

You might have the wrong earth, here. [Among lots of other things.]

Sure they do. Reread my post - carefully.

Not that your statement here is at all correct, but for the sake of it, all this ocean sediment you have posting about, how do you think it came to be in the first place?

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Um, instantly?