[meteorite-list] Re: Vugs in Chondrite meteorites

From: Kevin Forbes <vk3ukf_at_meteoritecentral.com>
Date: Sat Nov 12 11:52:34 2005
Message-ID: <BAY113-F3022AC3203799B859FE8BF99580_at_phx.gbl>

Hi Jerry, may I take a stab in the dark and suggest that this sample has
undergone some form of low level metamorphism which has caused an amount of
low temperature minerals to become liquified or gaseous in nature,
redistributing them throughout the sample, then cooling and recrystallizing.
Just a thought after looking at it.

Kevin.

>Hi List
>
>I am seeking information on why one would discovered very small crystals in
>a chondrite vug. I have photos posted at the below web site of the two
>different crystals discovered in a core sample taken from the 75 pound
>meteorite discovered recently near Lake Havasu City, Arizona. The vugs were
>discovered in the broken end of the core sample -3 inch core 1 and 3/8
>inched wide. The meteorite is a chondrite and most likely a H-5 or L-6.
>There is a photo posted of a section of polished core about 1½ inches into
>the meteorite. In this photo you can see chondrules and iron and nickel
>pieces.
>Thank for your input.
>Jerry
>
>
>http://www.ctaz.com/~jsbaird/Orange%20Nikon1.jpg
>http://www.ctaz.com/~jsbaird/ClearCrystalNikon1.jpg
>http://www.ctaz.com/~jsbaird/Polished%20Section.jpg
>
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Received on Sat 12 Nov 2005 11:52:30 AM PST