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Questions about/problems with YEC

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OldWiseGuy

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rmwilliamsll said:
do you have any idea of what this means?
where is the water? where did the water come from? why is there no evidence of a global flood but tons of evidence that nothing of the such happened, just varves alone.

how would such a massive movement of water effect the rotation of the earth?
etc
etc

it will go into my notes as one of the most extravagent claims i've ever seen from a YECist. the usual claim is that the earth was nearly flat when the flood happened and that the mountains pushed up since then, just to avoid the extraordinary problems with such a postulate.


wow
wow
wow


I'm not a YECist. Read my posts carefully. If you do you'll be the first here that does.

You're asking the same tired old questions. I'll pose one for your geologists: How does an entire region of the earth 'upthrust', or, 'sink'. I read these terms in almost all of the geology surveys I read, and they seem to occur in all regions. But there is never an explaination of how and why, just that they are used to explain some geological event.
 
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OldWiseGuy

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shernren said:
Gosh, I never knew anybody dated seabed strata using fossils. Obfuscation of the highest degree.



Which is precisely why a global flood which washes all the sediments onto the sea floor should cause an approximately uniform sediment distribution. Remember what you said earlier: that the global flood would have given sediments an amazing amount of mobility, thus leaving none of them to be studied on dry ground, hence a general lack of global flood evidence. (Gee, the flood must be neater than me: It cleans up after itself! ;)) This mobility coupled with nothing more than basic physics (matter settles in positions which give it its lowest gravitational potential - a uniform spherical distribution being ideal) would mean that a global flood model must be substantiated by a near-uniform sediment thickness all over the oceans.

The article notes that thickness-of-sediment distribution, apparent substrate age, and known ocean-widening rates correlate with each other. This is a defense of plate tectonics, as far as I can see. Even if the dating element is removed, though, the non-uniform sedimentary distribution would be enough to drive a big hole into the global flood idea.



True.

Over a period of millions (billions?) of years there have been many worldwide floods similiar to but not exactly like the Noah flood. The strata laid down by those similiar floods are what geologists study today. Why is it so hard to concede that just one more great flood occurred recently? Ask a geologist just what kind of flood must have occurred to lay down the various ancient strata that he studies.
 
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Willtor

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oldwiseguy said:
Over a period of millions (billions?) of years there have been many worldwide floods similiar to but not exactly like the Noah flood. The strata laid down by those similiar floods are what geologists study today. Why is it so hard to concede that just one more great flood occurred recently? Ask a geologist just what kind of flood must have occurred to lay down the various ancient strata that he studies.

Okay. I'll ask my brother. But I don't think he'll be happy. You'd have to know what he thinks about arguing on the internet. ;) 'Course, I do it anyway.
 
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OldWiseGuy

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Willtor said:
You have said that there is no evidence for a global flood. That means that science can't say it did happen. Evidence against it has been cited. That means science can say it didn't happen.

Now, regardless of whether science is right or wrong on this matter, it has said what it's going to say until further evidence presents itself.


Science is not able or willing to deal with geological events on a global scale. They come to the wall of 'first cause'. Without that knowledge nothing really makes sense.
 
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gluadys

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RightWingGirl said:
There is a single band, comprised of many layers--it is usually known as the "geological column."

The geological column is not a single band. It varies widely from formation to formation. Different parts of it require different environmental conditions. Some cannot possibly form in flood conditions.

http://www.talkorigins.org/faqs/geocolumn/#column0


I has not answered this yet becuase I doubt that we could ever agree on something like this. It is impossible for science to prove anything, and no man living has seen the global flood. I could not then prove that it was made by a world-wide flood, and any evidence I show can be taken by you as evidence of a local flood, even if it is a very large one. Science cannot faithfully speak of the past, only the present, as the scientific theory deals only with those things which are reconstructable, and testable.

Let's remember that what I was talking about was not missing evidence that would support a global flood, but observed evidence that is impossible if a global flood occurred.

You seem to be suggesting that such evidence could be re-interpreted to be consistent with a global flood.

The challenge you face is coming up with a re-interpretation for each of these (and there are dozens if not hundreds). And furthermore, the re-interpretation for each bit of evidence must be consistent with all the other re-interpretations. Because scientific explanations have to be self-consistent.

Again, you show a disturbing lack of curiosity on the nature of such evidence.


A global flood would make more than one environment, although not in the same place at the same time. If, as is thought, the continents split during this time we would not only have water, but mud flows, earthquakes, volcanoes, Tsunamis on giant scales, and hurricanes.

Who thinks this? Why? Do they have any more reason to think this than that they apparently need it to account for geological features that could not be accounted for by the biblical description of the flood.

Continent dividing is another ad hoc addition to scripture.

And, it also adds to the heat problem. By the time you have all this happening, you have boiled away the oceans and raised the atmospheric temperature to more than boil lead. How do you expect any life at all to survive?


You must be thinking of a diffent kind of stone.

No, your source confirmed what I was saying. And it does not contradict the conditions under which shale forms or the time it takes.

A website which shows the process of Shale forming shows it's formation in the ocean, near the beach. The ocean water near the beach does not stay still for long periods of time. Found here.

Look at your graphic again. It is the sand that is near the beach. The shale is in deeper water on the shelf, where the surface wave action does not affect the quietness of the deeper water.


Under "normal" evolutionary conditons, what provides the intense weight and pressure of water and more sediment to allow it to lithify.?

Geology and physics don't depend on "evolutionary" conditions. We are talking about non-living matter here. The weight is provided by gravity (as all weight is). Gravitational pressure from new sediments accumulating above every day, from the weight of the water above the sediments and the weight of the atmosphere above the water. Additional pressure from the movements of tectonic plates and the upwelling of molten rock from the mantle can heat and distort sediments into metamorphic and even igneous rock.

As I said before, the continents spliting in the space of a year would make many, many volcanoes.

You haven't said why a flood would trigger volcanoes, and now you want to add a new element that would produce even more heat, with still no justification for adding either of these to the scenario at all. And you are not dealing at all with the consequences of either of these. Even disregarding the heat problem, they would also leave evidence. Where is the lava and ash from the volcanoes? What indicates a recent continental split?


No human living has seen the flood. How would you tell? however they would probably occur throughout the flood, but primarily at the beginning.

You would tell by the evidence they left. For example, pillow lava

Now what is the basis of your answer. Are you not just guessing that "they would probably occur throughout the flood, but primarily at the beginning"? Why do you make this guess rather than another? Just so that you will seem to have an answer?

"I don't know" is the best answer to give when that is the truth.

But since you chose to give an answer, the next question is, "how do you propose to test the validity of your answer?"


Rocks formed by lava, quanities of ash, etc.

And how has it been shown that these are related to a global flood? e.g. what happens to volcanic ash when it is deposited on water?


Could you give me sources?

Where did all the heat go? If the geologic record was deposited in a year, then the events it records must also have occurred within a year. Some of these events release significant amounts of heat.

Magma. The geologic record includes roughly 8 x 1024 grams of lava flows and igneous intrusions. Assuming (conservatively) a specific heat of 0.15, this magma would release 5.4 x 1027 joules while cooling 1100 degrees C. In addition, the heat of crystallization as the magma solidifies would release a great deal more heat.
Limestone formation. There are roughly 5 x 1023 grams of limestone in the earth's sediments [Poldervaart, 1955], and the formation of calcite releases about 11,290 joules/gram [Weast, 1974, p. D63]. If only 10% of the limestone were formed during the Flood, the 5.6 x 1026 joules of heat released would be enough to boil the flood waters.
Meteorite impacts. Erosion and crustal movements have erased an unknown number of impact craters on earth, but Creationists Whitcomb and DeYoung suggest that cratering to the extent seen on the Moon and Mercury occurred on earth during the year of Noah's Flood. The heat from just one of the largest lunar impacts released an estimated 3 x 1026 joules; the same sized object falling to earth would release even more energy. [Fezer, pp. 45-46]
Other. Other possibly significant heat sources are radioactive decay (some Creationists claim that radioactive decay rates were much higher during the Flood to account for consistently old radiometric dates); biological decay (think of the heat released in compost piles); and compression of sediments.

5.6 x 1026 joules is enough to heat the oceans to boiling. 3.7 x 1027 joules will vaporize them completely. Since steam and air have a lower heat capacity than water, the steam released will quickly raise the temperature of the atmosphere over 1000 C. At these temperatures, much of the atmosphere would boil off the Earth.

Aside from losing its atmosphere, Earth can only get rid of heat by radiating it to space, and it can't radiate significantly more heat than it gets from the sun unless it is a great deal hotter than it is now. (It is very nearly at thermal equilibrium now.) If there weren't many millions of years to radiate the heat from the above processes, the earth would still be unlivably hot.​
http://www.talkorigins.org/faqs/faq-noahs-ark.html#flood

Only the magma would come from volcanoes, but I included the rest of this section so you can see how significant the heat problem is if you try to have all these heat-producing events occurring in a short space of time.


Again, could I have sources?

The Rierdon formation is a set of interbedded marine and evaporitic rocks. Some times the ocean covered the area and then it was exposed long enough for gypsum and anhydrite and once again salt to be formed.​

http://www.talkorigins.org/faqs/geocolumn/#column

Evaporitic rocks cannot be formed in the middle of a flood. They could be formed as the earth was drying up, but then they could not be interbedded with marine deposits.


fishinfishfossil.jpg



This fish was supposed to have lived in a large, still, shallow sea covering parts of modern-day U.S.A. What killed it(without leaving marks) so quickly after eating another fish, perserved it, sank it to the bottom, and finally what fossilized it?

It would take expert examination of the fossil to develop a thesis on what killed it. How do you know it left no marks? If you can identify the fossil, you can probably find a report on it that would answer your questions. But other than "what killed it?", I don't see any problem with a general answer to the rest. Why would it be a surprise if a fish was killed shortly after swallowing another? Surely it would sink before being preserved. The picture does not give an idea of scale. How large a fish was it? Since there is only a skeleton, there was presumably decay before the bones were preserved and fossilized in the usual way.

I don't know what sort of problem you are imagining here. I don't see one.

Do you know of any place on the earth where particles that small could slowly fill a foot print?

Coconino Sandstone--part of the Grand Canyon formation. There are footprints of spiders in this sandstone. Also fossils of raindrop impact craters. Both occur only under very dry conditions, indicating, among other things, that this formation could not have been produced in a flood.


Let me emphasize, that what we have looked at so far is a mere fraction of just the geological evidence that the flood could not be global. There is a whole lot more geological evidence, and we haven't begun to touch on fossil evidence, or biological evidence.

Since you seem to depend on creationist sources, you are probably unaware of most of this evidence.

For example, check out what this post has to say about underground river beds.
http://www.christianforums.com/t1155768-the-quiet-thread.html&page=2

Has any creationist source even mentioned them? How can they possibly exist if the whole geological column is flood deposits?
 
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Willtor

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oldwiseguy said:
Science is not able or willing to deal with geological events on a global scale. They come to the wall of 'first cause'. Without that knowledge nothing really makes sense.

Even if this were true, why are you trying to defend your position using science, then? Seriously. I'd really like to know.
 
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OldWiseGuy

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Robert the Pilegrim said:
Difficult to assess beyond order of magnitude.

The difference between a gully washer and a flood that wipes out houses isn't that hard to deal with.

The difference between a valley created by a stream/river with a high of roughly 50,000 cf/sec flow rate and a river with a high of roughly 1,000,000 cf/sec rate is rather striking.

The scablands were created by a flood with a flow rate of roughly 100,000,000,000,000 cf/sec, or better than 100 times the flow rate of the biggest Mississippi flood (and concentrated in a smaller area).

As I said, geologists know what a big flood looks like.

That's good. They should have no trouble reconstructing Noah's flood. All the stats are given:flow rate, duration, depth, area, topography, etc. Where can I obtain the survey?
 
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OldWiseGuy

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Willtor said:
Even if this were true, why are you trying to defend your position using science, then? Seriously. I'd really like to know.

Because I don't believe there is a conflict between scripture and science.
 
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rmwilliamsll

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oldwiseguy said:
Science is not able or willing to deal with geological events on a global scale. They come to the wall of 'first cause'. Without that knowledge nothing really makes sense.

that is simply not true.
i'd refer you to the extensive long argument in geology concerning the source of the iridium layer that eventually became associated with a metorite strike into the Yucatan.
one big part of that puzzle was the global scale of the layer.

in addition, science simply never talks about 'first cause' in the Aristotelian sense but always about natural secondary causes.
 
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OldWiseGuy

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gluadys said:
A river washes sediment from point A to point B. A flood washes sediment from point A to point B. Ocean currents carry plumes of riverine sediment from point A to point B. The sediment never disappears. It simply moves. So contrary to your last statement, there is always evidence. At point A there is evidence of erosion, and at point B there is evidence of sedimentation.

The question is, does this evidence match what a global flood would produce.



And the research that established this rate is published where? And the consequent evidence that would be expected is....? And the observations that validated the predictions are reported where?



Why?

I'm really trying to stay on topic here.

A global flood is unprecented in the minds of geologists, although they study the results of them all the time, and don't know it, or don't want to know it. It never occurs to them that when they are observing sediments high above sea level that contain marine fossils that they are actually seeing the results of another of many global floods similiar the Noah flood.
 
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RightWingGirl

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Let's remember that what I was talking about was not missing evidence that would support a global flood, but observed evidence that is impossible if a global flood occurred.

You seem to be suggesting that such evidence could be re-interpreted to be consistent with a global flood.

The challenge you face is coming up with a re-interpretation for each of these (and there are dozens if not hundreds). And furthermore, the re-interpretation for each bit of evidence must be consistent with all the other re-interpretations. Because scientific explanations have to be self-consistent.

Again, you show a disturbing lack of curiosity on the nature of such evidence.
I should very much like to see any evidence which has been found that could not exist if a global flood had occurred.



Who thinks this? Why? Do they have any more reason to think this than that they apparently need it to account for geological features that could not be accounted for by the biblical description of the flood.

Continent dividing is another ad hoc addition to scripture.

And, it also adds to the heat problem. By the time you have all this happening, you have boiled away the oceans and raised the atmospheric temperature to more than boil lead. How do you expect any life at all to survive?
Not everythign is mentioned by scripture. It is very likely, given what we see in the world around us, that these thing occured during the flood. Cold I please have a source on the high atmospheric temperature"?


No, your source confirmed what I was saying. And it does not contradict the conditions under which shale forms or the time it takes.
Look at your graphic again. It is the sand that is near the beach. The shale is in deeper water on the shelf, where the surface wave action does not affect the quietness of the deeper water.
Geology and physics don't depend on "evolutionary" conditions. We are talking about non-living matter here.
Could you please read all of this, and give me your scientific objections?
http://www.answersingenesis.org/tj/v8/i1/chalk.asp

The weight is provided by gravity (as all weight is). Gravitational pressure from new sediments accumulating above every day, from the weight of the water above the sediments and the weight of the atmosphere above the water. Additional pressure from the movements of tectonic plates and the upwelling of molten rock from the mantle can heat and distort sediments into metamorphic and even igneous rock.
All of this in a calm, shallow sea? Then you would only have fossils when the tectonic plates moved. Also dead animals generally float, and by the time they sink are not in pristine condition.



You haven't said why a flood would trigger volcanoes, and now you want to add a new element that would produce even more heat, with still no justification for adding either of these to the scenario at all. And you are not dealing at all with the consequences of either of these. Even disregarding the heat problem, they would also leave evidence. Where is the lava and ash from the volcanoes? What indicates a recent continental split?
We have large amounts of ash in the rock layers, and several of the rock types you first mentioned were formed by lava.




You would tell by the evidence they left. For example, pillow lava

Now what is the basis of your answer. Are you not just guessing that "they would probably occur throughout the flood, but primarily at the beginning"? Why do you make this guess rather than another? Just so that you will seem to have an answer?
But since you chose to give an answer, the next question is, "how do you propose to test the validity of your answer?"

We see evidence of volanic activity during the flood (in the rock layers). Although the world was in a state of turmoil throughout the whole flood when something that catastrophic happens suddenly you would have a state of turmoil that would slowly wind down the rest of the flood.

I need to go now, but I'll be on again tomarrow, Lord willing, and I'll answer the rest then.
 
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rmwilliamsll

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I should very much like to see any evidence which has been found that could not exist if a global flood had occurred.

40K years of varves at a single lake site.
http://www.accuracyingenesis.com/varves.html
+
100K years of ice cores.
+
10K years of tree rings
+
50K years of coral layers
 
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gluadys

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oldwiseguy said:
I'm really trying to stay on topic here.

A global flood is unprecented in the minds of geologists, although they study the results of them all the time, and don't know it, or don't want to know it. It never occurs to them that when they are observing sediments high above sea level that contain marine fossils that they are actually seeing the results of another of many global floods similiar the Noah flood.

Actually, historically, that was exactly what they first assumed. It took took careful examination of the evidence without prior assumptions to determine this was not the case.
 
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gluadys

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RightWingGirl said:
I should very much like to see any evidence which has been found that could not exist if a global flood had occurred.

Start with the last link in my last post.

You could also go the analysis of the geological column in North Dakota that I have previously given a link for and check out all the strata that cannot form at all under flood conditions e.g. salt.


Not everythign is mentioned by scripture. It is very likely, given what we see in the world around us, that these thing occured during the flood.

Why is it very likely? You have given no reason for these things to be likely at all.




Cold I please have a source on the high atmospheric temperature"?

Done in last post. If this is not sufficient, go to the references supplied in the talkorigins article.



Could you please read all of this, and give me your scientific objections?
http://www.answersingenesis.org/tj/v8/i1/chalk.asp

Will do.


All of this in a calm, shallow sea? Then you would only have fossils when the tectonic plates moved. Also dead animals generally float, and by the time they sink are not in pristine condition.

How do you come to this conclusion? And it is indeed seldom that corpses are in a pristine condition when fossilization begins. We can see this from frozen mammoths. Most show signs of scavenging and decay before they came to be frozen.


We have large amounts of ash in the rock layers, and several of the rock types you first mentioned were formed by lava.

Actually, the only non-sedimentary one I mentioned was quartz, and I don't think that comes from lava.

Now, how does the condition and distribution of the volcanic ash show that it was deposited under conditions of a global flood, or indeed any flood? After all, we have volcanoes today, both atmospheric and sub-marine, without having a flood. And we have floods without volcanoes. What ties the volcanic ash in the geologic column to a global flood?

You have to come up with a more detailed answer than "It's there."



We see evidence of volanic activity during the flood (in the rock layers).

We see evidence of volcanic activity. We don't see evidence that ties it to a global flood.


Although the world was in a state of turmoil throughout the whole flood when something that catastrophic happens suddenly you would have a state of turmoil that would slowly wind down the rest of the flood.

So how come 46% of the geologic column is shale distributed at all levels? By this scenario, you would only get shale after the state of turmoil has almost completely wound down i.e. it would be found only in the upper levels of the geologic column. Same goes for chalk.
 
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shernren

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http://www.answersingenesis.org/tj/v8/i1/chalk.asp

I like that particular term they use, "realistically conceivable". Isn't that such a wonderfully insuring term? It's also "realistically conceivable" for someone who chain-smokes, drinks a six-pack a day and drives at 120kph to work and back every day to stay alive till he's a hundred - through a series of miraculous coincidences. And yet nobody's going to start denying that smoking causes cancer or drinking causes hepatitis or speeding causes accidents.

This is precisely the approach taken in these two paragraphs:

Two creationists have done much to provide a satisfactory response to these objections against Flood geology—geologists Dr Ariel Roth of the Geoscience Research Institute (Loma Linda, California) and John Woodmorappe. Both agree that biological productivity does not appear to be the limiting factor. Roth10 suggests that in the surface layers of the ocean these carbonate-secreting organisms at optimum production rates could produce all the calcareous ooze on the ocean floor today in probably less than 1,000 or 2,000 years. He argues that, if a high concentration of foraminifera of 100 per litre of ocean water were assumed,11 a doubling time of 3.65 days, and an average of 10,000 foraminifera per gram of carbonate,12 the top 200 metres of the ocean would produce 20 grams of calcium carbonate per square centimetre per year, or at an average sediment density of 2 grams per cubic centimetre, 100 metres in 1,000 years. Some of this calcium carbonate would be dissolved at depth so the time factor would probably need to be increased to compensate for this, but if there was increased carbonate input to the ocean waters from other sources then this would cancel out. Also, reproduction of foraminifera below the top 200 metres of ocean water would likewise tend to shorten the time required.
Coccolithophores on the other hand reproduce faster than foraminifera and are amongst the fastest growing planktonic algæ,13 sometimes multiplying at the rate of 2.25 divisions per day. Roth suggests that if we assume an average coccolith has a volume of 22 x 10–12 cubic centimetres, an average weight of 60 x 10-12 grams per coccolith,14 20 coccoliths produced per coccolithophore, 13 x 10615 a dividing rate of two times per day and a density of 2 grams per cubic centimetre for the sediments produced, one gets a potential production rate of 54cm (over 21 inches) of calcium carbonate per year from the top 100 metres (305 feet) of the ocean. At this rate it is possible to produce an average 100 metre (305 feet) thickness of coccoliths as calcareous ooze on the ocean floor in less than 200 years. Again, other factors could be brought into the calculations to either lengthen or shorten the time, including dissolving of the carbonate, light reduction due to the heavy concentration of these microorganisms, and reproducing coccoliths below the top 100 metres of ocean surface, but the net result again is to essentially affirm the rate just calculated.

(emphases added)

Note all the underlined words. Look at the inherent high degree of potential wavering there. Don't these guys believe in what they are saying? More importantly, do they have evidence for what they are saying? Why can't they say that "it is proved" rather than "let us assume"? Or perhaps they don't have the evidence they need.

Go read Roth's paper available online at http://www.grisda.org/origins/12048.htm ; it looks like even creationists aren't spared being quoted out of context. AiG seems to conveniently forget Roth's very next paragraph (maybe they don't like his near-doubt) :

It must be emphasized that the high rates given above are optimum and do not appear at all to represent average present-day rates. The figures given represent the biological potential of these organisms. There is a great deal of variation in the number of organisms present at different localities, and various methods of analyses yield highly differing results. Some recent studies using sediment traps (Honjo et al. 1982; oral reports, GSA annual meeting 1984) suggest that at present in a number of localities the carbonate flux to the floor of the ocean is in the order of 25 to 250 mg m-2 day-1 which is several thousand times slower than the potential figures given above. Such figures would appear to challenge Scripture; however, lack of precise information regarding the quantity of shells, much higher potential production rates and the nutritional enhancement of catastrophes must be given due consideration.

(emphasis added)

Mind you, these are optimum rates already. When blooms occur, AFAIK, there are significant increases in the concentration of plankton, not their reproductive rate on average, since an increase in nutrients increases the carrying capacity of the environment and not any fundamental reproductive timing of the plankton (in cases far from the limit of the carrying capacity). So even if they can show that a lot of plankton could have converged on a single spot, they have not shown that they could have reproduced fast enough to form the given layers. Again, note Roth's notes after the paragraph where he carefully notes that a CO2 increase without Ca2+ increases would actually decrease deposition, since it would increase the acidity of the water.

And of course the AiG article has forgotten the main problem: not of producing the calcium required, but depositing and compressing it to form chalk fast enough.
 
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shernren

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Oh, and a good kicker:

http://home.entouch.net/dmd/acid.htm

Besides the acid posing a problem for all the other aquatic lifeforms, the acid would have destroyed the calcium carbonate shells of the plankton and further slowed chalk deposition.
 
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rmwilliamsll

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shernren said:
Oh, and a good kicker:

http://home.entouch.net/dmd/acid.htm

Besides the acid posing a problem for all the other aquatic lifeforms, the acid would have destroyed the calcium carbonate shells of the plankton and further slowed chalk deposition.

the current issue of Scientific American has a nice article on this
http://www.sciam.com/article.cfm?chanID=sa006&colID=1&articleID=00057536-E87F-13F5-A75F83414B7FFE9F
the dangers of ocean acidification.
as always, i look forward to my monthly fix of SA.
 
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Robert the Pilegrim

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oldwiseguy said:
That's good. They should have no trouble reconstructing Noah's flood. All the stats are given:flow rate, duration, depth, area, topography, etc. Where can I obtain the survey?
The evidence for it doesn't exist, ergo no survey.

If you want to dispute this you need to actually get educated and examine the data yourself.
 
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Robert the Pilegrim

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oldwiseguy said:
I'll pose one for your geologists: How does an entire region of the earth 'upthrust', or, 'sink'. I read these terms in almost all of the geology surveys I read, and they seem to occur in all regions. But there is never an explaination of how and why, just that they are used to explain some geological event.
Go to www.amazon.com, search Books Geology
Pick up one of the general books and whichever of the Roadside books you are most likely to use.

Or go to a library.

Sit down, open the book and your mind and read.
 
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rmwilliamsll

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Robert the Pilegrim said:
Go to www.amazon.com, search Books Geology
Pick up one of the general books and whichever of the Roadside books you are most likely to use.

Or go to a library.

Sit down, open the book and your mind and read.

that is a very good recommendation.
we've used the _roadside geology of arizona_ and the one for New Mexico to plan vacations and long weekend trips.
we have continually learned and been amazed at the two books.

http://www.amazon.com/gp/product/08...ref=sr_1_1/102-8502438-2478522?_encoding=UTF8
 
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