[meteorite-list] CAI and chondrules

From: gracie <gracie_at_meteoritecentral.com>
Date: Wed, 30 Sep 2009 19:21:16 -0400 (EDT)
Message-ID: <64932.70.171.37.236.1254352876.squirrel_at_sheverb.com>

Wow. Thanks for the heads up on that. As a new collector of meteorites
I've been routinely going to Wikipedia for information on things like the
the formation of chondrules and inclusions.

I own Norton's Field Guide and the recently published "The Fallen Sky".
What are the other definitive books and/or websites should I be hitting up
for ACCURATE information?

Thanks in advance!
Gracie

> Without answering your questions, don't pay any attention to the
> Wikipedia articles on CAIs and chondrules. They are basically useless.
> I began to work on them, starting with the chondrules, but it was taking
> too much time, so they have languished.
>
> Definitive answers to what caused the formation of CAIs and chondrules
> are not known.
>
> Jeff
>
> Francesco Moser wrote:
>> Hello!
>> I take a look on wikipedia about CAI and chondrules, but I have still
>> some doubt.
>>
>> http://en.wikipedia.org/wiki/Calcium-aluminium-rich_inclusion
>> http://en.wikipedia.org/wiki/Chondrule
>>
>> What prompted the formation of CAI? and what's caused the formation of
>> chondurles???
>> The supernova gave the energy for the formation of CAI and for the
>> collapse of the solar nebula?
>> Some other energy source, still unknow, 2 million years later molten
>> the material which formed the chondrules? But wich type of energy
>> source?
>>
>> Is correct this time line?
>>
>> 1) supernova
>> 2) few time later CAI formation
>> 3) at the same time collapse of nebula
>> 4) 2My later condrule formation
>> 5) at the same time proto-sun and proto-planetary formation
>> 6) ...
>>
>> Thanks a lot!
>>
>> Best regards!
>>
>> <>X<>X<>X<>X<>
>> Francesco Moser
>> IMCA #1510
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>
>
> --
> Dr. Jeffrey N. Grossman phone: (703) 648-6184
> US Geological Survey fax: (703) 648-6383
> 954 National Center
> Reston, VA 20192, USA
>
>
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Received on Wed 30 Sep 2009 07:21:16 PM PDT