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Author Topic:   The Definition and Description of a "Transitional"
NosyNed
Member
Posts: 8996
From: Canada
Joined: 04-04-2003


Message 106 of 110 (168931)
12-16-2004 1:37 PM
Reply to: Message 99 by dpardo
12-16-2004 11:48 AM


Re: For fun, what if....
Laid out in time?
How do we know how old they are?
Because of the geological strata they are associated with. If you disagree with that approach perhaps you need to find the "fossil sorting" thread.
After the relative ages are determined then the associated strata can, in most cases, be used for absolute dating. If you disagree with that you could work on the "Correlations" thread in dating.
This message has been edited by NosyNed, 12-16-2004 01:44 PM

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Loudmouth
Inactive Member


Message 107 of 110 (168939)
12-16-2004 1:51 PM
Reply to: Message 104 by dpardo
12-16-2004 1:03 PM


quote:
Is it possible for a "transitional" skull to be very simply a deformed human or ape skull? Aren't some humans born with gross deformities, sometimes in many features?
Anything is possible. But as Jazzns says in the post above, why would we only find these deformities as a function of geologic depth? Why don't we find normal, modern human/ape skulls at the same depth? There is no reason, other than in an attempt to ignore the data, to propose that these skulls are due to birth defects. This also ignores the fact that the skull is only one aspect that is transitional. Don't forget that the teeth, pelvic girdle, arm length to body ratios, etc. all point to these fossils as being transitional as well. The skull is just one piece of evidence.

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dpardo
Inactive Member


Message 108 of 110 (168952)
12-16-2004 2:18 PM
Reply to: Message 107 by Loudmouth
12-16-2004 1:51 PM


Loudmouth writes:
But as Jazzns says in the post above, why would we only find these deformities as a function of geologic depth? Why don't we find normal, modern human/ape skulls at the same depth?
Are the details of these digs in the links that were provided by Jazzns?

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dpardo
Inactive Member


Message 109 of 110 (168961)
12-16-2004 2:32 PM
Reply to: Message 106 by NosyNed
12-16-2004 1:37 PM


Thank you Ned.
I will check out the Correlations thread.

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Jazzns
Member (Idle past 3902 days)
Posts: 2657
From: A Better America
Joined: 07-23-2004


Message 110 of 110 (168964)
12-16-2004 2:34 PM
Reply to: Message 108 by dpardo
12-16-2004 2:18 PM


Realize, for geologists depth = time
I am sure you can find information either at those links or by doing your own searches. You will have to understand that they are probably going to be giving you information about depth via an age determination against the geologic column and not actual depth from the particular surface of the earth where the fossils were found. The depth I am talking about is geochronological depth (i.e. Lucy is never found past a certain layer or below a certain layer).
Regular geologists associate this with time which you probably disagree with. You cannot dismiss the relative positioning though, it is a fact.

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