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Northwest Africa 11995
Basic information Name: Northwest Africa 11995
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11995
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 7.21 kg
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  H6
Recommended:  H6    [explanation]

This is 1 of 6210 approved meteorites (plus 9 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11995 (NWA 11995)

(Northwest Africa)

Purchased: 2012

Classification: Ordinary chondrite (H6)

Geochemistry: Mineral compositions and geochemistry: The mean olivine composition is Fa19.5±0.4 (Fa19.0-20.0); n=15; the mean low-Ca pyroxene composition is Fs17.0±0.3Wo1.3±0.2 (Fs16.5-17.5Wo1.0-1.5); n=15

Classification: H chondrite based on the mean compostitions of olivine and pyroxene. Petrologic type 6 based on the size of secondary plagioclase (>50 µm) and small Fa and Fs variations.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Alicante, Spain
Date:P 2012
Mass (g):7210
Pieces:1
Class:H6
Shock stage:S1
Weathering grade:W0/1
Fayalite (mol%):19.5±0.4
Ferrosilite (mol%):17.0±0.3
Wollastonite (mol%):1.3±0.2
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Manuel Nieto Sanchez, Albacete, Spain
Comments:Submitted by K. Metzler, IfP
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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