[meteorite-list] New Lunar Meteorite Discovered - NWA 3163

From: Jeff Grossman <jgrossman_at_meteoritecentral.com>
Date: Wed Nov 2 10:51:39 2005
Message-ID: <6.2.3.4.2.20051102104817.034cfa58_at_gsvaresm02.er.usgs.gov>

Just out of curiosity, how can you determine the
weathering level of a meteorite like this, which
lacks significant metal and sulfide? The scale
up to W4 is defined by these and only these minerals:

>W0: No visible oxidation of metal or sulfide. A
>limonitic staining may be noticeable in transmitted light.
>W1: Minor oxide rims around metal and troilite; minor oxide veins.
>W2: Moderate oxidation of metal, about 20-60% being affected.
>W3: Heavy oxidation of metal and troilite, 60-95% being replaced.
>W4: Complete (>95%) oxidation of metal and troilite.

jeff

At 10:33 AM 11/2/2005, Greg Hupe wrote:
>Hi Martin and list,
>
>The scientists believe the terrestrial age of
>the new lunar, NWA 3163, will show to be very
>low as to the lack of weathering, which he
>states is most likely a weathering level of W1.
>Results will be forthcoming and I will share the
>new data as it becomes available.
>
>Best regards,
>Greg
>
>----- Original Message ----- From: "Martin
>Altmann" <Altmann_at_Meteorite-Martin.de>
>To: "Greg Hupe" <gmhupe_at_tampabay.rr.com>;
><meteorite-list_at_meteoritecentral.com>
>Sent: Wednesday, November 02, 2005 6:28 AM
>Subject: Re: [meteorite-list] New Lunar Meteorite Discovered - NWA 3163
>
>
>>Exciting stuff!
>>
>>Do you have hints yet about the terrestial age?
>>
>>Jelously,
>>Buckleboo
>>
>>----- Original Message ----- From: "Greg Hupe" <gmhupe_at_tampabay.rr.com>
>>To: "Matson, Robert" <ROBERT.D.MATSON_at_saic.com>
>>Cc: <meteorite-list_at_meteoritecentral.com>
>>Sent: Wednesday, November 02, 2005 2:04 AM
>>Subject: Re: [meteorite-list] New Lunar Meteorite Discovered - NWA 3163
>>
>>
>>>Hi Rob and list members,
>>>
>>>I am more than happy to share the pictures. In fact, here is a list of the
>>>largest specimens with photo links:
>>>
>>>1,121g main mass
>>>http://www.lunarrock.com/nwa3163/more/nwa3163mainmass.jpg
>>>
>>>74.1g complete slice, polished both sides (SOLD)
>>>http://www.lunarrock.com/nwa3163/nwa3163slice2c.jpg
>>>
>>>48.7g complete slice, polished both sides
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-48_7.jpg
>>>
>>>45.2g complete slice, polished both sides
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-45_2.jpg
>>>
>>>25.3g part slice, polished one side
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-25_3.jpg
>>>
>>>23.7g complete slice, polished one side
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-23_7.jpg
>>>
>>>12.1g end cut, polished face
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-12_1.jpg
>>>
>>>7.1g part slice, polished one side
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-7_1.jpg
>>>
>>>7g complete slice, polished one side
>>>http://www.lunarrock.com/nwa3163/more/nwa3163-7.jpg
>>>
>>>I have many smaller part slices which I have not photographed yet.
>>>
>>>Take care and enjoy the pictures,
>>>Greg
>>>
>>>----- Original Message ----- From: "Matson,
>>>Robert" <ROBERT.D.MATSON_at_saic.com>
>>>To: "'Greg Hupe'" <gmhupe_at_tampabay.rr.com>;
>>><meteorite-list_at_meteoritecentral.com>
>>>Sent: Tuesday, November 01, 2005 7:24 PM
>>>Subject: RE: [meteorite-list] New Lunar Meteorite Discovered - NWA 3163
>>>
>>>
>>>Beautiful lunar meteorite, Greg! Thanks for the links to all the drool-
>>>producing images! I'm sure are resident lunatic Norbert will agree...
>>>
>>>--Rob
>>>
>>>-----Original Message-----
>>>From: meteorite-list-bounces_at_meteoritecentral.com
>>>[mailto:meteorite-list-bounces_at_meteoritecentral.com]
>>>Sent: Tuesday, November 01, 2005 3:53 PM
>>>To: meteorite-list_at_meteoritecentral.com
>>>Subject: [meteorite-list] New Lunar Meteorite Discovered - NWA 3163
>>>
>>>
>>>Dear List Members,
>>>
>>>I am very pleased to announce the discovery of a new Lunar meteorite, NWA
>>>3163.
>>>
>>>Here is what we know at this point:
>>>NWA 3163 (Provisional) - Ultra-Rare Lunar Feldspathic Granulite Meteorite
>>>
>>>A single 1,634 gram meteorite, believed to have been found in Mauritania
>>or
>>>Algeria, was purchased in Morocco in August 2005 by Greg Hup?, who thought
>>>at first that it may be an unusual eucrite or diogenite. Actually it is a
>>>Lunar Feldspathic Granulite and represents the largest known sample of
>>this
>>>rare rock type available for scientific study. It is composed primarily
>>of
>>>maskelynite (shocked plagioclase) with lesser amounts of pyroxene,
>>olivine,
>>>chromite and other minerals. This extremely rare type of lunar rock is
>>>known from small clasts in a few Apollo 15, 16 and 17 samples.
>>>
>>>Click here for image of Main Mass
>>>
>>>http://www.lunarrock.com/nwa3163/nwa3163a.jpg
>>>
>>><snip>
>>>
>>>______________________________________________
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>>>Meteorite-list_at_meteoritecentral.com
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>
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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
Received on Wed 02 Nov 2005 10:51:33 AM PST