[meteorite-list] Ad - Rare Weekly Material Special

From: Adam Hupe <adamhupe_at_meteoritecentral.com>
Date: Thu Apr 22 10:27:53 2004
Message-ID: <032001c3b3d1$8d3b0ce0$d2dbe60c_at_attbi.com>

Dear List Members,

This week we would like to introduce NWA1292, an Ultra Rare CO3.6. There is
only one other CO in existence with this subtype!

NWA1292 Exceedingly Rare CO3.6 Meteorite

Northwest Africa 1292 (provisional), a CO3.6, Fa1-38, S1, W1 Ornans type
carbonaceous chondrite found 2001 in the Sahara desert. Two stones where
found for a Total Known Weight (TKW) of 136 grams. One of the two was sent
to UCLA who classified it as a CO3 with no subtype. Another specimen was
sent to NAU who assigned a subtype of 3.6 based on similarities to
Warrenton, the only other CO3.6 in existence. NWA 1292 is a fresh and
beautiful example of an exceedingly rare subtype so if you are into
collecting by type this may be your only opportunity to add a very fresh
CO3.6 to your collection. For your perusal we included the provisional
separate entry submitted to the NomCom below:

Northwest Africa 1292 (provisional)
    Morocco
    Found 2001
    Carbonaceous chondrite (CO3.6)
Two very fresh, crusted stones (total weigh, 136 g) were purchased in
Erfoud, 2002. Classification and mineralogy (T. Bunch and J. Wittke, NAU):
typical CO component assemblage, although chondrule and mineral grain
outlines are less sharply defined with somewhat higher abundance of
~0.05-0.1 mm sinuous-rimmed, spinel-rich CAIs. Mean olivine composition is
Fa37.4 with a range of Fa37.1 to 37.8, N=18; Ni, 0.05-0.10 wt % and Co,
0.3-0.07 %. The metamorphic subtype of CO3.6 is based on the textural
similarities with the Warrenton CO3.6 meteorite and its olivine composition
of Fa38.6 (38.3 - 39.1). Weathering grade, W1 (slightly iron stained with
low metal oxidation). Specimens: 20 g, NAU; main

eBay Link:
http://members.ebay.com/aboutme/meteoritelab/

Thank you for looking and if you are bidding, good luck.

All the Best,

Adam and Greg Hupe
The Hupe Collection
IMCA 2185
Received on Tue 25 Nov 2003 10:58:29 PM PST