[meteorite-list] Gold and Iridium content of meteorites(especiallyirons)

From: Stuart McDaniel <actionshooting_at_meteoritecentral.com>
Date: Mon, 3 Oct 2011 21:36:49 -0400
Message-ID: <755F2699A5EA49DE8A2E5583A9EE1E6A_at_StuartMcDaniel>

OK, I was right the first time...........guess my math ain't that good
either! LOL.



Stuart McDaniel
Lawndale, NC
Secr.,
Cleve. Co. Astronomical Society
IMCA #9052
Member - KCA, KBCA, CDUSA
-----Original Message-----
From: Sterling K. Webb
Sent: Monday, October 03, 2011 9:26 PM
To: Stuart McDaniel ; Michael Gilmer ; meteorite-list at meteoritecentral.com
Subject: Re: [meteorite-list] Gold and Iridium content of
meteorites(especiallyirons)

1.49 mg per gram is one part in 671.
1/671 of 32 kg is 47.7 grams of gold.
There are 31 grams per troy ounce; gold
is priced in troy ounces; there are 1.537
troy ounces oif gold in that 32 kg, or
$2551.94 at today's (10/03/11) price.

Cost you more than that to extract it...


Sterling K. Webb
--------------------------------------------------------------------------
----- Original Message -----
From: "Stuart McDaniel" <actionshooting at carolina.rr.com>
To: "Michael Gilmer" <meteoritemike at gmail.com>;
<meteorite-list at meteoritecentral.com>
Sent: Monday, October 03, 2011 7:57 PM
Subject: Re: [meteorite-list] Gold and Iridium content of
meteorites(especiallyirons)


> Oops, I was wrong.....It would be
>
> 32,000gr / 1.49mg = 21475 mg
>
> 21,475/1000 = 21.475 gr
>
> Right, anyone??
>
>
>
>
> Stuart McDaniel
> Lawndale, NC
> Secr.,
> Cleve. Co. Astronomical Society
> IMCA #9052
> Member - KCA, KBCA, CDUSA
> -----Original Message-----
> From: Michael Gilmer
> Sent: Monday, October 03, 2011 8:33 PM
> To: meteorite-list at meteoritecentral.com
> Subject: [meteorite-list] Gold and Iridium content of meteorites
> (especiallyirons)
>
> Hi List,
>
> In perusing through the latest additions to the Met Bulletin today, I
> was reading the compositional data for NWA 6932 (iron, ungrouped). I
> noticed that the gold (Au) content was listed at 1.49mg/g. Is this
> sort of data as straight-forward as it appears, or is there more to it
> that this layman is missing? In other words, how much gold is in this
> meteorite? The TKW of this meteorite is 32kg. So, with 1000g in a
> kilo, and 1000mg in a gram, how much gold is in this celestial hunk of
> iron? (my math is horrible)
>
> Second question, what is highest known gold content in a meteorite and
> what meteorite is it?
>
> Third question, some meteorites also have high iridium content. What
> is the highest known iridium content in a meteorite?
>
> I am not suggesting in any way that meteorites should be refined or
> melted down to extract their precious metals content, but given the
> high value of metals such as gold and iridium, has any profiteer tried
> such an endeavour? Or would the process be too complex and expensive?
>
> Best regards,
>
> MikeG
>
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Received on Mon 03 Oct 2011 09:36:49 PM PDT