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The list of extinctions compared to the list of 'evolved' organisms

valkyree

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you don't want to consider another model for the earth than the one you know - that's your choice but doesn't necessarily make you right

there is plenty of evidence overlooked or unexplainable by your model - way too much in fact

so something is wrong with your model

this was not a primary research article - this was an article suggesting another possible interpretation paving the way for more open-minded research
 
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florida2

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you don't want to consider another model for the earth than the one you know - that's your choice but doesn't necessarily make you right

Pot, meet kettle.

there is plenty of evidence overlooked or unexplainable by your model - way too much in fact

Care to share that with us? (With links from serious scientific publications, not creationist sites which you're getting your arguments from)
 
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valkyree

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i'll look at the other thread
 
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valkyree

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so a model that claims to go back for 4.5 billion years can be tested

and the model that says the earth is younger - maybe a lot younger can't be tested

not logical

think about that one
 
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valkyree

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You know that that's an even worse place to suppose aflood boundary right? Instead of not having mammals and birds not present before the flood you have no evidence of vertebrates at all



sure there were plenty of vertebrates - you can see them all in the fossil record!!

buried deep in flood sediments thousands of feet thick

geesh - what more could you want
 
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valkyree

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You know that that's an even worse place to suppose aflood boundary right? Instead of not having mammals and birds not present before the flood you have no evidence of vertebrates at all


2nd Peter King James Bible

5 For this they willingly are ignorant of, that by the word of God the heavens were of old, and the earth standing out of the water and in the water:
6 Whereby the world that then was, being overflowed with water, perished:
 
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Keachian

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sure there were plenty of vertebrates - you can see them all in the fossil record!!

buried deep in flood sediments thousands of feet thick

geesh - what more could you want

No vertebrates before the Cambrian era, that's what I'm saying
 
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Keachian

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2nd Peter King James Bible

5 For this they willingly are ignorant of, that by the word of God the heavens were of old, and the earth standing out of the water and in the water:
6 Whereby the world that then was, being overflowed with water, perished:

I do find it good that the story of the flood is used quite frequently in juxtaposition to the judgment of Christ. Doesnt really tell us whether the Apostles thought it was a literal narrative
 
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razeontherock

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Care to share that with us? (With links from serious scientific publications, not creationist sites which you're getting your arguments from)

How can you possibly not realize that "serious scientific publications" aren't about to disclose the problems with the status quo?

Critical thought took a holiday for the Superbowl?
 
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sfs

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How can you possibly not realize that "serious scientific publications" aren't about to disclose the problems with the status quo?
What the heck do you think a scientist does when he or she finds a problem with the status quo? And what do you think happens to a scientist who documents such a problem -- other than getting publications, tenure, prestige and grants, that is?

Critical thought took a holiday for the Superbowl?
The ability to catch a thrown football seems to have taken a holiday for the Superbowl, at least for the Patriots.
 
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sfs

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I don't think employed scientists are really looking for holes in everybody's pet theory.
Looking for holes is hardly a full-time scientific occupation, but there are a lot of hungry (metaphorically speaking) young scientists, and not a few older ones as well, out there who would love to make a name for themselves by showing that some well-established idea is wrong. Not to mention that nearly all scientists really do like to know how the world works -- that's why they're scientists -- and that they can't stop talking about what they find.
 
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Orogeny

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you're right!!
I know!

i was referring to carbonates in general and i shouldn't have done that because you specifically referred to shallow water bioherms
That is correct.

I said: ''the pre-flood seas were shallow - the earth's crust had not broken up into tectonic plates yet"
and you asked: Do you have evidence to back this assumption?''

yes - you just presented it for me

You see, THIS is where you go wrong (well, one of the places). You think that because something fits your assertions, it is evidence for a global flood and BOOM you win. But you haven't 'explained' the origin of the reef complex, all you've done is say 'aha, it is shallow water, and there was shallow water before the flood! EVIDENCE!!' Meanwhile, modern geology explains the origins of the reef itself (you haven't), documents and explains the evolution of organisms composing the reef (you haven't), explains the morphology of the reef and associated sediments (you haven't), provides petrographc and geochemical constraints on the diagenetic history of the reef (you haven't), explains why the reef complex died, giving SPECIFIC PROCESSES leading to its demise (you haven't) explains why the reef was preserved (you haven't), explains why the reef was exhumed (you haven't), when it was exhumed (you haven't), and why caves have developed in it since it was exhumed (you haven't).

Modern geology does all of this, but you just say 'oceans were shallow before the flood, then the flood happened'. But even ignoring all of the above, your 'shallow preflood seas' assertion falls flat on its face, because the reef complex is directly associated with penecontemporaneous deep-basin highstand turbidite fans (SOURCE).

So no, none of this is evidence for your flood. And even if it were, you would have to explain both the preflood geologic processes necessary for deposition of the Capitan Reef Complex AND the synflood processes necessary for preservation and exposure of the complex. Also, since the reef complex is Permian, that would mean that everything Permian and older is preflood deposits, which pretty much shoots your 'Precambrian/cambrian boundary is the base of the flood' hypothesis right in the foot.

........using the yec/global flood model that involved huge cataclysmic tectonic movements of the crust of the earth this uplifted reef makes sense - using the old earth/slow process model this deposit makes no sense!!
Yes it does. Modern geology provides explanations for the formation, preservation, and exposure of this reef complex, citing specific evidences and detailing specific processes. All you've done so far is make assertions.

Oh, I almost forgot to mention-- you said:

The Capitan Reef complex isn't on a convergent margin, so is it safe to assume you're retracting this statement? Is it also safe to assume you're retracting the bit about 'breaking up coral reefs and depositing them', since you've directly contradicted this in the post I'm replying to now?
And as an aside, YES, it DOES have to be 'more technical than that.' If you make an assertion, you back it with specific evidence. Real geologists try to be as specific as possible- why don't you?

yes bioherms are very common in the fossil record all over the planet

and some of them from the earth's pre-flood shallow seas got uplifted just like this one did
Two unbacked assertions, the first already proven wrong, the second in direct contradiction to a previous post. Yikes.

slow earth processes of the old-earth model did not do this!!!!
Another unbacked assertion, in the face of the mountains of evidence gathered in support of modern geology's explanation of this feature.
 
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Orogeny

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transported and deposited? ....doubtful even to a flood geologist
But that's what you claimed. Are you retracting the claim?

more likely uplifted in place from shallow seas - and erosion from receding flood waters removed surrounding rock
More assertions. Please, just once, back your assertions with EVIDENCE!

this explains much of the Colorado Plateau - places like Monument Valley
How? Provide a mechanism (something more process-based, more descriptive than 'cataclysm during the flood', please) for uplift of the CP, providing evidence that your assertion is correct.
 
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Assyrian

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So if you read on a pack of burger 'Made from 100% beef' we cannot test that because we cannot go back in the past and see what the animals were chopped up to make the burgers? You couldn't test a claim about the past with say a DNA test?

see post 114
ok
Lets have a look:
K–Ar dating - Wikipedia, the free encyclopedia
Assumptions

According to McDougal and Harrison (1999, p. 11) the following assumptions must be true for computed dates to be accepted as representing the true age of the rock [4]
The reference is Ian McDougall and T. Mark Harrison (1999), Geochronology and thermochronology by the [sup]40[/sup]Ar/[sup]39[/sup]Ar method, Oxford: Oxford University Press. Oxford University Press sounds pretty reputable. Fortunately that book is accessible through Amazon. Lets see how the Wikipedia article compares with the original, see if anything significant is left out. Wikipedia is not a usual place to find quote mining, but you never know. I will go through it point by point and highlight where the wiki article changes the book in blue and when I quote the book, I will use red to show where it differs from wiki.

  • The parent nuclide, 40K, decays at a rate independent of its physical state and is not affected by differences in pressure or temperature. This is a well founded major assumption, common to all dating methods based on radioactive decay. Although changes in the electron capture partial decay constant for [sup]40[/sup]K possibly may occur at high pressures, theoretical calculations indicate that for pressures experienced within a body of the size of the Earth the effects are negligibly small.[1]
Here is what the book says, I have added in the bit Wikipedia leaves out in red:
1. The parent nuclide, 40K, decays at a rate independent of its physical state and is not affected by differences in pressure or temperature. This is a well founded major assumption, common to all dating methods based on radioactive decay; the available evidence suggest that it is well founded (Friedlander et al., 1981). Although changes in the electron capture partial decay constant for [sup]40[/sup]K possibly may occur at high pressures, theoretical calculations Bukowinski (1979) indicate that for pressures experienced within a body of the size of the Earth the effects are negligibly small.
Instead of simply claiming the assumption was well founded, as we have in the wiki article, the original say it is supported by all the available evidence and gives a reference for this. Next bullet:

  • The [sup]40[/sup]K/[sup]39[/sup]K ratio in nature is constant so the [sup]40[/sup]K is rarely measured directly, but is assumed to be 0.0117% of the total potassium. Unless some other process is active at the time of cooling, this is a very good assumption for terrestrial samples.[5]
This seem to have been extensively re written:
2. The K/K ratio in nature is constant at any given time. As the [sup]40[/sup]K is rarely determined directly when ages are measured, this is an important underlying assumption. Isotopic measurements of potassium in terrestrial and extraterrestrial samples indicate that this assumption is valid, at least to the extent that no authenticated differences greater than about 1.3% have been reported in the 39K/41K ratio. The evidence for the essentially constant isotopic ratios for the potassium isotopes will be presented in more detail subsequently in section 2.3.]
The first bit left out "at any given time" throws the meaning of the paragraph considerably. It isn't that scientists assume the proportion of [sup]39[/sup]K was the same in the distant past as it is now, which doesn't make sense since[sup]39[/sup]K is the radioactive isotope. The assumption is that the isotopes of potassium are well mixed and you have the same proportion of isotopes everywhere you go. Again the wiki article leaves out the discussion of how this assumption has been authenticated.

  • The radiogenic argon measured in a sample was produced by in situ decay of [sup]40[/sup]K in the interval since the rock crystallized or was recrystallized. Violations of this assumption are not uncommon. Well-known examples of incorporation of extraneous 40Ar include chilled glassy deep-sea basalts that have not completely outgassed preexisting [sup]40[/sup]Ar*,[6] and the physical contamination of a magma by inclusion of older xenolitic material. The Ar–Ar dating method was developed to measure the presence of extraneous argon.
This paragraph is relatively unchanged.
3. The radiogenic argon measured in a sample was produced by in situ decay of [sup]40[/sup]K in the interval since the rock crystallized or was recrystallized. Violations of this assumption are not uncommon. Well-known examples of incorporation of extraneous 4[sup]40[/sup]Ar include chilled glassy deep-sea basalts that have not completely outgassed preexisting radiogenic argon and the physical contamination of a magma by inclusion of older xenolitic material. Further examples will be discussed later, as the [sup]40[/sup]Ar/[sup]39[/sup]Ar dating method allows the presence of extraneous argon to be recognized in some cases.
However the next paragraph was completely left out.
4. "Corrections can be made for nonradiogenic [sup]40[/sup]Ar present in the rock being dated. For terrestrial rocks the assumption generally is made that all such argon is atmospheric in composition with 40Ar/36Ar = 295.5, and although this commonly is so, there are exceptions. Various ways of assessing this assumption are available including the use of isotope correlation diagrams. Extraterrestrial samples such as meteorites and lunar rocks have nonradiogenic argon of quite different composition to that of atmospheric argon, but corrections often can be made satisfactorily, particularly as the nonradiogenic contributions usually are minor."
The following chapter in wiki is not from the book at all.

  • Great care is needed to avoid contamination of samples by absorption of nonradiogenic [sup]40[/sup]Ar from the atmosphere. The equation may be corrected by subtracting from the [sup]40[/sup]Ar[sub]measured[/sub] value the amount present in the air where [sup]40[/sup]Ar is 295.5 times more plentiful than [sup]39[/sup]Ar. [sup]40[/sup]Ar[sub]decayed[/sub] = [sup]40[/sup]Ar[sub]measured[/sub] − 295.5 × [sup]39[/sup]Ar[sub]measured[/sub].
Wiki continues...

  • The sample must have remained a closed system since the event being dated. Thus, there should have been no loss or gain of [sup]40[/sup]K or [sup]40[/sup]Ar*, other than by radioactive decay of [sup]40[/sup]K. Departures from this assumption are quite common, particularly in areas of complex geological history, but such departures can provide useful information that is of value in elucidating thermal histories. A deficiency of [sup]40[/sup]Ar in a sample of a known age can indicate a full or partial melt in the thermal history of the area. Reliability in the dating of a geological feature is increased by sampling disparate areas which have been subjected to slightly different thermal histories.[7]
The last two sentences are not in the book and look like the wiki writer is expanding on the previous sentence.
5. The sample must have remained a closed system since the event being dated. Thus, there should have been no loss or gain of of potassium or radiogenic argon, other than by radioactive decay of 40K. Departures from this assumption in fact are quite common, particularly in areas of complex geological history, but such departures can provide useful information that is of value in elucidating thermal histories.
Notice how (1) we can tell if there has been loss or gain of these isotopes and (2) how that tells us even more about the history of of the rock? The wiki article leaves out the next paragraph, which while it is not a numbered paragraph is pretty important as the conclusion of the section:
"These basic assumptions must be tested and assessed in each study that is undertaken. This is usually best done by measuring a suite of rocks or minerals from the area under study. The consis[bless and do not curse]tency or lack of consistency of the results, together with knowledge of the geology of the area, allows assessment of some of these assumptions, and provides the basis for conclusions as to the reliability and meaning of the measuredages. As will become evident later, animportant advantage of the [sup]40[/sup]Ar/[sup]39[/sup]Ar dating method is that the assumptions underlying calculation and interpretation of an age are more readily assessed than is the case for conventional K-Ar age measurements."
You see, you want 'assumption' to mean something completely unverifiable. But what McDougall and Harrison meant by assumption, at least in the original version, was a basis for the dating method that needs to be, can be, and has been, verified.

Looking at the history of the Wikipedia page, the reference was added, and further edited down, by a user called Christian Skeptic, whose account has been blocked as a sockpuppet of another user blocked for 'abusive use of one or more accounts'. Your evidence for radiometric dating being based on unverifiable assumptions may be a case of wikiality.

As we have seen this had been tested and confirmed.

2) The original amount of both mother and daughter elements is known.

3) The sample has remained in a closed system...
Isochron dating deals with these.
 
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florida2

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How can you possibly not realize that "serious scientific publications" aren't about to disclose the problems with the status quo?

Critical thought took a holiday for the Superbowl?



What do you think scientists have always been doing? Challenging current ideas and exploring new ones is the whole driving force of science. If scientists never challenged the status quo, we would know so so little. Read a bit of the history of science, in particular the 19th century. It is littered with hundreds of examples of scientists going against long-established ideas, often facing ridicule, but eventually being proved right. The dream of any ambitious scientist is to come up with a new theory and overturn the current situation.

Superbowl? Oh, that's some American sports thing, isn't it?
 
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