Iridium ... Where did it come from ? Not From Earth ?!

[Accord Man]

I knew there was something particular about this metal, but didnt know what..

Here's the story,

"A Long Time Ago...

Approximately 50 million years ago an asteroid, some 10km in diameter slammed into what is now Mexico's Yucatan Peninsula near the town of Chicxulub. The resulting dust cloud destroyed most living things and ended the dinosaurs reign on earth. The evidence for this has been known for some time, with the deposits of Iridium-rich clay found at the boundary of Cretaceous and Tertiary deposits (known as the K/T Boundary) all over the world.

On July 2 1992, Alan R. Hildebrand of the Geological Survey of Canada presented a scientific paper to the General Assembly of the Royal Astronomical Society of Canada entitled "The Cretaceous/Tertiary Boundary Impact". Some of his findings are summarized here.

The K/T boundary layer, sometimes known as the iridium bearing clay layer, has a global distribution and consists of at least two layers of impact material.
The upper layer, known as the Fireball layer averages 3mm thickness and represents 1500 cubic kilometers of debris deposited globally with no apparent variation in thickness.
The lower layer termed the ejecta layer, averages about 2cm in thickness.

A Major Impact on Earth?

Many scientists believe that the enormous impact put enough dust into the upper atmosphere to darken and hence cool the Earth for several years. This was theorized to result in shutting off global photosynthesis, with the resulting collapse of the global food chain. As a result nothing larger than 25 kg survived the boundary.

Iridium is found all over the world in the K/T layer and is not an unknown metal (commodity), however; its ability to be used in a manufacture type environment is unique. The current products that use Iridium are cellular telephones (Motorola), sunglasses (Oakley), and now spark plugs (DENSO). The reason for only a few companies using this precious metal is its difficulty to be manipulated in a cost-effective manner.
Dinosaurs: Death from Space?
Lecture 25 - The Impact Theory of Mass Extinction
DENSO's experience with Iridium in the development of the complete line of original equipment platinum spark plugs helped in the development of the patented DENSO Iridium alloy, where the Iridium becomes the primary metal complimented by rhodium (Atomic Symbol: Rh) to increase oxidation wear resistance."


from : http://www.densoiridium.com/originofiridium.htm

[94_AcCoRd_EX]

That's pretty interesting

I wonder if this is all related to that March 8 2003 thing.

[Accord Man]

Originally posted by msvtec14
I wonder if this is all related to that March 8 2003 thing.

humm.. now you got me wondering...

[ebpda9]

interesting

Originally posted by Accord Man
humm.. now you got me wondering...

That's what I'm screaming.

[AzCivic]

What march 8th 2003 thing??

Originally posted by AzCivic
What march 8th 2003 thing??

http://www.hondastyle.com/forums/sho...threadid=13126

I believe that is it.

[AzCivic]

Oh ok, thats dumb.

Originally posted by AzCivic
Oh ok, thats dumb.

LOL.

[ShEaNy]

Originally posted by AzCivic
Oh ok, thats dumb.

[TeriyakiBroccoli]

I should register the domain

www.march9th2003.com

then put a bunch of hocus pocus jibber jabber.

"I found like, this cell phone. and It was broken and stuff, but I opened it anyways and like.. IT WAS SO KEWL. liek i found some chips and stuff and it was neato. But then .. I WILL TELL U ON MARCH 9 what HAPPENED. COME BACK HERE AND TELL ALL UR FRIENDS ABOUT IT AND THEY WIL SHIT THEIR PANTS BECAUSE OF ALIENS YO."

March 9th 2003...

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User at home:

"AH FACK" *cntrl + alt + del*