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Outer Recovery Icefields 18008
Basic information Name: Outer Recovery Icefields 18008
     This is an OFFICIAL meteorite name.
Abbreviation: OUT 18008
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by the Lost Meteorites of Antarctica project, UK]
Mass:help 2.37 g
Recommended:  H6    [explanation]

This is 1 of 6416 approved meteorites (plus 5 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 5 Dec 2021
Writeup from MB 110:

Outer Recovery Icefields 18008 (OUT 18008)        81°28.56050’S, 18°01.88000’W


Find: 2019 Jan 09

Classification: Ordinary chondrite (H6)

History: The meteorite was recovered as part of the Lost Meteorites of Antarctica project. which was funded in the UK by the Leverhulme Trust and supported by the British Antarctic Survey and the University of Manchester. These samples were collected as part of the project’s first field season in austral summer December 2018 - January 2019 by a two person field party consisting of Katherine Joy and Julie Baum. Found on firn. Altitude 1402 m.

Physical characteristics: Mass: 2.37 g. Pieces: 1. Dimensions: 1.5 × 1 × 1 cm. An irregular. part stone with 50% black fusion crust and dark grey interior weathered to rusty red-brown on exterior surfaces.

Petrography: Equilibrated texture with some clearly delineated chondrules (up to 1 mm). Metal and sulfide grains occur as grains up to 0.5 mm throughout. Plagioclase grains up to 0.3 mm.

Geochemistry: Mineral compositions and geochemistry: All analyses by EPMA. Olivine Fa18.8±0.3 (N=12). Pyroxene Fs16.4±0.2Wo1.2±0.3 (N=12). Plagioclase An 14.8±2.1Ab81.3±2.3Or3.9±0.2 (N=2).

Classification: H6

Specimens: 2.25 g type specimen (main mass) held at the NHM London.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:Outer Recovery 3 (west)
Date:2019 Jan 09
Mass (g):2.37
Weathering grade:B/C
Fayalite (mol%):18.8±0.3 (N=12)
Ferrosilite (mol%):16.4±0.2 (N=12)
Wollastonite (mol%):1.2±0.3 (N=12)
Magnetic suscept.:4.93
Classifier:J. L. MacArthur. K. L. Joy and R. H. Jones. UMan
Type spec mass (g):2.25
Type spec location:NHM London
Main mass:NHM London
Finder:Julie Baum
Comments:Field ID:000008 BAS ID: Z18.3.4; submitted by J. L. MacArthur. UMan
   and collections
NHM: Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom; Website (institutional address; updated 9 Dec 2011)
UMan: Department of Earth Sciences, University of Manchester, Oxford Road, Manchester, M139PL, United Kingdom (institutional address)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     Recommended::   (81° 28' 34"S, 18° 1' 53"W)

     This is 1 of 43499 approved meteorites from Antarctica (plus 3802 unapproved names)
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