[Rockhounds] Another extinction impact-13 KYA-No Red Herring

J Bryan Kramer codeburner at gmail.com
Sat Jan 3 05:51:32 PST 2009


So where did all the carbon come from if this was a hit totally absorbed by
the ice sheet. Would a carbonaceous chondrite not break up before impact?

BK

On Sat, Jan 3, 2009 at 01:33, Mr EMan <mstreman53 at yahoo.com> wrote:

> Red Herring?   I have to disagree.  As one who is a part time researcher--
> sampling glacial outwash planes in the northeastern US for glass microsphere
> deposits. I've kept abreast of this topic before it became a topic.  There
> is evidence mounting weekly that a major cometary impact occurred over north
> eastern North America approx. 12,900-13,100ybp. Strata of "black sand mats"
> containing glass microspheres, charcoal, nano-diamonds, and
> Buckyballs are bening located all over eastern North America: From
> caves in near both Cinncinatti and Sandusky Ohio over to the enigmatic
> "Carolina
> Bays" features up and down the east coast.  Meteoric iron embedded in
> Mammoth Tusks and Bison horns from other times suggest large impacts occured
> several times earlier in the present ice age.
>
>  Ice dam breaching  ( if that is what it was) apparently  occurred at
> several places along the icesheet front simultaneously. While it is true
> that massive meltwater runoff is likely to have changed ocean currents, an
> impact can account for causing that sudden melting. The present lack of
> identified impact crater is understandable given the true depth of the
> existing ice sheet(2miles?) is not known but, could have absorbed most or
> all of the impact whithout leaving easily located deposits of insitu
> impactites.  There is no primary strata left to analize--as of yet but many
> are working on it finding evidence in situ not just in outwash deposits. If
> we look at the rock called Ice and think of melting as erosion, it puts
> erosion on a accelerated timescale never seen before. Which has good and bad
> points for reconstructing the events.
>
> Hardly a red herring but a mounting body of evidence which ties together
> the younger dryas anomomally, regional extinction of large ice age animals
> populations which never returned and, dissapearance of the Human Clovis
> culture in mid and northern North America for approximately 800 years.
>
> Eman
>
> --- On Fri, 1/2/09, Dora Smith <tiggernut24 at yahoo.com> wrote:
> Thanks.  The article is a red herring.   It has been satisfactorily
> demonstrated that the abrupt cooling was the result of the massive
> outpouring of melted ice into the northern Atlantic when an ice bridge that
> had held it back melted.
>
>
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-- 

""It often seems to me that the night is much more alive and richly colored
than the day."

                      Vincent van Gogh
J Bryan Krämer
North Florida, USA
photos at:
http://pbase.com/photoburner


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