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Northwest Africa 11895
Basic information Name: Northwest Africa 11895
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11895
Observed fall: No
Year found: 1998
Country: (Sahara)
Mass:help 148 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  H3-5
Recommended:  H3-5    [explanation]

This is 1 of 78 approved meteorites classified as H3-5.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 20 Jul 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11895 (NWA 11895)

Sahara

Find: 1998

Classification: Ordinary chondrite (H3-5)

History: Sample was found 1998 by the Labenne group. The coordinates are unknown.

Petrography: The sample is a breccia and contains fragments of different petrologic type, most fragments are recrystallized (type 5) and some are unequilibrated.

Geochemistry: Olivine compositions are Fa14.2-21.0 (mean Fa17.6±2.5, n=9), pyroxene compositions are Fs8.2-20.4Wo0.8-2.6 (mean Fs15.7±3.4Wo1.4±0.5, n=11). The equilibrated clasts have olivine compositions of Fa19.2±0.2 (n=3) and pyroxene compositions of Fs16.9±0.3Wo1.3±0.2 (n=3).

Classification: Brecciated H chondrite (H3-5) based on mineral compositions and chondrule size. Very weakly shocked (S2), weathering degree: W2

Data from:
  MB107
  Table 0
  Line 0:
Origin or pseudonym:Desert
Date:1998
Mass (g):148
Pieces:1
Class:H3-5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):17.6±2.5 (n=9)
Ferrosilite (mol%):15.7±3.4 (n=11)
Wollastonite (mol%):1.4±0.5 (n=11)
Classifier:K. Klemm, A. Bischoff, IfP
Type spec mass (g):18.9
Type spec location:IfP
Main mass:unknown
Comments:work name Sahara 98050A; submitted by Ebert S.
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 1036 approved meteorites from (Sahara) (plus 1 unapproved name)

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