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Prehistoric lizard found trapped in amber


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#1    Saru

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Posted 09 July 2013 - 11:05 AM

The complete fossil of a 23 million-year-old lizard has been discovered preserved in a piece of amber.

Nature World News said:

Mexican scientists are currently examining a complete fossil of a lizard that has remained entombed in a chunk of amber for some 23 million years, according to a recent report in La Jornada en Linea.

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#2    GirlfromOz

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Posted 09 July 2013 - 12:24 PM

Most species of insect or animal that have been found  preserved in amber etc have become recent topics of question,most recently,being the most questionable of sources,carbon dating.Just like our questioning of accuracy of any process has been deemed inaccurate.Carbon dating has been deemed inaccurate &,via it's sources due to surrounding contaminations of nearby materials etc. No-one is able to be specific.My questioning is why these scientists seem so specific in their judgement of when & where these creatures existed & as to why they are judged by a seemed theorized date in Earth's history.

Edited by GirlfromOz, 09 July 2013 - 01:19 PM.


#3    Mac E

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Posted 09 July 2013 - 01:13 PM

Carbon dating isn't meant to date that far back in history due to the half life of it.  They can look at heavier elemental half lives to determine this age range as well as already established strata in the rock layers where it's found.


#4    Merc14

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Posted 09 July 2013 - 01:38 PM

View PostGirlfromOz, on 09 July 2013 - 12:24 PM, said:

Most species of insect or animal that have been found  preserved in amber etc have become recent topics of question,most recently,being the most questionable of sources,carbon dating.Just like our questioning of accuracy of any process has been deemed inaccurate.Carbon dating has been deemed inaccurate &,via it's sources due to surrounding contaminations of nearby materials etc. No-one is able to be specific.My questioning is why these scientists seem so specific in their judgement of when & where these creatures existed & as to why they are judged by a seemed theorized date in Earth's history.

The article says that they have dated the Chipas amber bed to 23M years ago.  I am sure they didn't use carbon dating as it is too old for that but there are various experimental methods used to date amber http://www.gemologyp...php?title=Amber    none of which is very exact  but 23M years, give or take a million years, should be good enough for this find.

Nice midterms democrats.  As Pelosi says, "Embrace the suck".

#5    DieChecker

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Posted 09 July 2013 - 08:45 PM

Poor little lizard...

Cool article and find.

Here at Intel we make processors on 12 inch wafers. And, the individual processors on the wafers are called die. And, I am employed to check these die. That is why I am the DieChecker.

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#6    pallidin

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Posted 09 July 2013 - 08:50 PM

Huh. Considering how well preserved the lizard is, I think I'll adjust my mortuary details, such to where I'm encased in amber.  :w00t:


#7    questionmark

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Posted 09 July 2013 - 08:54 PM

View Postpallidin, on 09 July 2013 - 08:50 PM, said:

Huh. Considering how well preserved the lizard is, I think I'll adjust my mortuary details, such to where I'm encased in amber.  :w00t:

Would not work, you would have to encased in tree sap, which then has to fossilize.

Good luck.

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#8    mesuma

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Posted 09 July 2013 - 10:24 PM

HUH!! Says the man with three toes


#9    DieChecker

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Posted 10 July 2013 - 12:35 AM

I'd be willing to go out into the forests of the Great Northwest and start gathering sap to preserve Pallidin. Agter he starts hardening, I'm going to carve my initials into the amber though.

Here at Intel we make processors on 12 inch wafers. And, the individual processors on the wafers are called die. And, I am employed to check these die. That is why I am the DieChecker.

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#10    Merc14

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Posted 10 July 2013 - 12:43 AM

View PostDieChecker, on 10 July 2013 - 12:35 AM, said:

I'd be willing to go out into the forests of the Great Northwest and start gathering sap to preserve Pallidin. Agter he starts hardening, I'm going to carve my initials into the amber though.
Pallidin?

Nice midterms democrats.  As Pelosi says, "Embrace the suck".

#11    DieChecker

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Posted 10 July 2013 - 01:05 AM

View PostMerc14, on 10 July 2013 - 12:43 AM, said:

Pallidin?
See post #6 above.....


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Edited by DieChecker, 10 July 2013 - 01:06 AM.

Here at Intel we make processors on 12 inch wafers. And, the individual processors on the wafers are called die. And, I am employed to check these die. That is why I am the DieChecker.

At times one remains faithful to a cause only because its opponents do not cease to be insipid. - Friedrich Nietzsche

Qualifications? This is cryptozoology, dammit! All that is required is the spirit of adventure. - Night Walker

#12    coolguy

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Posted 10 July 2013 - 04:15 AM

Very awesome find.


#13    coolguy

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Posted 10 July 2013 - 04:15 AM

It's cool that it still has its skin

Edited by coolguy, 10 July 2013 - 04:16 AM.


#14    Lava_Lady

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Posted 10 July 2013 - 04:48 AM

I want it!!

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#15    pallidin

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Posted 10 July 2013 - 04:48 AM

View PostDieChecker, on 10 July 2013 - 12:35 AM, said:

I'd be willing to go out into the forests of the Great Northwest and start gathering sap to preserve Pallidin. Agter he starts hardening, I'm going to carve my initials into the amber though.

You bring up a good point.

I wonder how long it takes various tree saps to actually harden into what we call "amber" I suppose I could Google that.
Maybe I could "fast track" the hardening through UV lamps. Just kidding of course.

Even still, I presume that preservation starts with sap encasement before final hardening. Perhaps the degree of tissue preservation is dependent on the type of tree sap(how the sap affects tissues, etc...). I don't know.

In any event, you are more than welcome to carve your initials.

Ah heck, maybe I should just make it simple and encase my dead body in fast drying liquid plastic.

But to be in amber sounds more archealogicaly appealing.  :passifier:

Edited by pallidin, 10 July 2013 - 04:59 AM.





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