![]() |
||
|
Northwest Africa 6908 | |||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 6908 This is an OFFICIAL meteorite name. Abbreviation: NWA 6908 Observed fall: No Year found: 2010 Country: Western Sahara Mass: ![]() | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 622 approved meteorites classified as CM2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||||||||||||
Comments: | Approved 28 Jan 2013 | ||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 6908 (NWA 6908) Western Sahara Found: 15 Mar 2010 Classification: Carbonaceous chondrite (CM2) History: One dark, roundish, almost complete stone of 52.68 g was found by an anonymous finder on March 15, 2010, in Western Sahara. Petrography: In thin section the rock is dark, similar to other carbonaceous chondrites. The dark opaque material makes up an estimated 70-80 vol%. The chondrite contains a low abundance of small complete chondrules. Chondrule and mineral fragments are the most abundant coarse-grained components, which are surrounded by typical fine-grained accretionary rims. Geochemistry: Olivine, Fa22±19 (range, Fa0-70); pyroxene, Fs15±20 (range, Fs0-52). Oxygen isotope composition (A. Pack, UGött) δ18O = 9.06; δ17O = 1.52; Δ17O = -3.232 (all per mil). | ||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
|
||||||||||||||||||||||||||
Plots: | O isotopes: | ||||||||||||||||||||||||||
Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) Haiderer: Erich Haiderer Laboratory, P.O. Box 88, A-1140 Vienna, Austria (private address; updated 7 Jan 2015) |
||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
| ||||||||||||||||||||||||||
Geography:![]() |
Statistics: This is 1 of 265 approved meteorites from Western Sahara (plus 20 unapproved names) |