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Report questions role of Mexico crater in mass extinction
WQAD ^
| March 1, 2004
| AP
Posted on 03/01/2004 3:54:21 PM PST by yonif
Washington-AP -- New research casts doubt on the theory that a single asteroid wiped out the dinosaurs.
Scientists have often pointed to a crater in Mexico as the asteroid's impact point.
But Princeton University researchers say the impact that caused the crater occurred 300-thousand years before the dinosaurs were wiped out 65 (m) million years ago.
A report appears in this week's online edition of Proceedings of the National Academy of Sciences.
At least one scientist doubts the group's findings. Richard Norris of the Scripps Institution of Oceanography says the Princeton researchers were working with incorrect site data.
TOPICS: Front Page News; Mexico; News/Current Events
KEYWORDS: asteroid; catastrophism; chicxulub; crater; dinosaurs; doubt; extinction; gertakeller; godsgravesglyphs; mexico; nemesis; paleontology; theory; xplanets
1
posted on
03/01/2004 3:54:21 PM PST
by
yonif
To: yonif
Bush knew!
2
posted on
03/01/2004 4:05:49 PM PST
by
billorites
(freepo ergo sum)
To: yonif
I think that these researchers are just promoting controversy. The K-T (Cretaceous-Triassic) boundary is marked by a thin layer of Iridium, an element that is very rare on Earth and probably came from a meteor. Also, at the K-T boundary throughout the US are little "shocked-quartz" crystals that increase in size the closer they get to the Yucatan crater.
Still, I'm intrigued by the fact that the Deccan Traps, an enormous lava flow halfway around the Earth that went on for centuries, started about the same time as the asteriod hit and may have been caused by or contributed to the asteroid damage.
3
posted on
03/01/2004 4:20:06 PM PST
by
DJtex
To: yonif
New research casts doubt on the theory that a single asteroid wiped out the dinosaurs. Scientists have often pointed to a crater in Mexico as the asteroid's impact point.
But Princeton University researchers say the impact that caused the crater occurred 300-thousand years before the dinosaurs were wiped out 65 (m) million years ago.
I think these guys are a little behind the curve. I've seen several pieces, I think endorsed by the original theorists, the Alvarez father son team, that talk about the Chicxulub event as one of many in an impact storm. This thinking has been tied to the controversial "Nemesis" theory, but whatever the cause there seems to be a periodicity of multiple impact events tied to mass extinctions.
4
posted on
03/01/2004 4:37:35 PM PST
by
Phsstpok
(often wrong, but never in doubt)
To: billorites
Bush knew!
Proto-women and Neanderthal Minorities hit hardest!
5
posted on
03/01/2004 6:40:50 PM PST
by
tet68
( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
To: yonif; farmfriend
At least one scientist doubts the group's findings. Yet another pi$$in' contest...
There's grant money in them thar craters!
FGS
6
posted on
03/01/2004 6:51:00 PM PST
by
ForGod'sSake
(ABCNNBCBS: An enemy at the gates is less formidable, for he is known and carries his banner openly.)
To: yonif; tet68; ForGod'sSake; Phsstpok; billorites
Princeton has been a hotbed of anti-impactor GIGO. Some may remember the book by Charles Officer and Jake Page (see below) that claimed on the dust jacket that the sudden extinction by a large impact was "impossible". Dewey McLean used to run a website on which he claimed that the elder Alvarez basically ran him out of his own profession through threats.
And, let's not forget Aristotle, the Father of Nothing Doin', who stated
ex cathedra that stones do not fall out of the sky. Even in 1994, with comet SL-9 about to crash piece by piece into Jupiter, the cover of
Astronomy featured the title of an article inside that claimed there would be nothing to see from those impacts.
I was one of the lucky ones. I picked up this title off the remainder rack, cheaply, at the enormous chain bookstore.
Basically, I hold such claims in contempt. Such folks are stuck claiming that it was just an amazing coincidence that a large impact happened right at that time, or, even worse, that all the impact did was set off worldwide volcanic eruptions, and those led, over 100s of 1000s of years, to the extinctions.
7
posted on
03/01/2004 7:30:01 PM PST
by
SunkenCiv
(Boom! Boom! Out go the lights!)
To: yonif
300,000 years... vs. 86,000,000
3.5 tenths of one percent
0.00348 - Quite frankly, I don't think that dating of something that old is quite that accurate.
Nose picking and admiration of the bugger.
8
posted on
03/01/2004 8:18:01 PM PST
by
Swordmaker
(This tagline shut down for renovations and repairs. Re-open June of 2001.)
To: SunkenCiv
Even in 1994, with comet SL-9 about to crash piece by piece into Jupiter, the cover of Astronomy featured the title of an article inside that claimed there would be nothing to see from those impacts. Fair and balanced? I'm no rocket scientist, but something tells me when a chunk of rock or ice or, say, Rosie O'Donnell hits the planet at mach 20+, $hit will happen. Most of it bad.
FGS
9
posted on
03/01/2004 9:19:35 PM PST
by
ForGod'sSake
(ABCNNBCBS: An enemy at the gates is less formidable, for he is known and carries his banner openly.)
To: ForGod'sSake; *Gods, Graves, Glyphs; A.J.Armitage; abner; adam_az; AdmSmith; Alas Babylon!; ...
Gods, Graves, Glyphs List for articles regarding early civilizations , life of all forms, - dinosaurs - etc.
Let me know if you wish to be added or removed from this ping list.
10
posted on
03/03/2004 5:34:37 PM PST
by
farmfriend
( Isaiah 55:10,11)
To: yonif
...and I doubt that scientist! What about methane gas which he and the oceans emit; ice ages and all that good stuff?
11
posted on
03/03/2004 8:15:46 PM PST
by
Henchman
(I Hench, therefore I am!)
12
posted on
01/01/2007 9:05:16 PM PST
by
SunkenCiv
(Ahmedumbass and the mullahcracy is doomed. https://secure.freerepublic.com/donate/)
|
GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach |
|
|
Note: this topic is dated 3/01/2004.
Blast from the Past.
Just adding to the catalog, not sending a general distribution.
Thanks yonif.
To all -- please ping me to other topics which are appropriate for the GGG list. |
|
13
posted on
02/24/2013 9:48:18 AM PST
by
SunkenCiv
(Romney would have been worse, if you're a dumb ass.)
Note: this topic is dated 3/01/2004. Thanks yonif.
14
posted on
02/24/2013 9:49:07 AM PST
by
SunkenCiv
(Romney would have been worse, if you're a dumb ass.)
Note: this topic is from 03/01/2004. Thanks yonif.
15
posted on
11/04/2015 11:55:31 AM PST
by
SunkenCiv
(Here's to the day the forensics people scrape what's left of Putin off the ceiling of his limo.)
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