[meteorite-list] Super-heavy elements in meteorites?

From: Göran Axelsson <axelsson_at_meteoritecentral.com>
Date: Mon, 12 Jul 2010 18:43:31 +0200
Message-ID: <4C3B4633.4070901_at_acc.umu.se>

That is only theoretical half lives in most of the cases. The only
reference I have seen to it is atom number 114 with a half life of 2.6 s
and hints of an isomer of 114 with a half life of 60 seconds. Total
number of atoms 114 observed so far is only 80.

They are called stable but that is only in a relative sense.

/G?ran

Galactic Stone & Ironworks wrote:
> Hi Goran and List,
>
> What about the isotopes that reside within the "island of stability"?
> Have any traces of them ever been detected? Those isotopes have
> longer half-lives.
>
> Best regards,
>
> MikeG
>
>
> On 7/12/10, G?ran Axelsson <axelsson at acc.umu.se> wrote:
>
>> All the transuranium elements are highly unstable so any trace amounts
>> of the super heavy elements are gone in just seconds to days. I think it
>> is a safe bet that there are none ever detected in meteorites.
>> Plutonium (Pu 94) and neptunium (Np 93) are the only transuranium
>> elements that have half life measured in years and they are formed by
>> decay of uranium, but I've never heard about them being detected in
>> meteorites.
>>
>> /G?ran
>>
>> Galactic Stone & Ironworks wrote:
>>
>>> Hi List!
>>>
>>> Does anyone know if super-heavy elements are found in meteorites (even
>>> in tiny amounts)?
>>>
>>> Specifically, elements 112 to 119 or the transitionary metals between
>>> 104 and 111?
>>>
>>> Best regards,
>>>
>>> MikeG
>>>
>>>
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Received on Mon 12 Jul 2010 12:43:31 PM PDT