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Re: DIMMITT DIAMONDS



GShanos@aol.com schrieb:

> Dear List members:
>
> I remember reading that the Dimmitt meteorite also contains
> extraterrestrial diamonds?  Can anyone quantify this with
> the primary literature? Sincerely, Greg Shanos

Hello Greg and List,

I found two "secondary" references:

G.R. Huss et al. (1994) Noble Gases in Presolar Diamonds - I: Three
Distinct Components and their Implications for Diamond Origins
(Meteoritics 29-6, 1994, 791).
G.R. Huss et al. (1994) Noble Gases in Presolar Diamonds -II: Component
Abundances Reflect Thermal Processing (Meteoritics 29-6, 1994, 811-829).

They report diamond separates from several meteorites - among these are:

Orgueil - Semarkona - Bishunpur - Ragland - Mezö Madaras - ALHA 77214 -
Tieschitz -  D i m m i t t  - Qingzhen - Indarch - Leoville - Vigarano -
Allende - Kainsaz, etc.

On page 804, the authors mention a paper by Moniot - This might be a /
the primary source:

MONIOT R.K. (1980) Noble-gas-rich separates from ordinary chondrites
(GCA 44, 253-271).

Best wishes,
Happy Easter,
Happy Passover,
Happy Holidays,

Bernd

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