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Hutchison Icefield 18026
Basic information Name: Hutchison Icefield 18026
     This is an OFFICIAL meteorite name.
Abbreviation: HUT 18026
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by the Lost Meteorites of Antarctica project, UK]
Mass:help 6.3 g
Recommended:  L6    [explanation]

This is 1 of 11997 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 Oct 2021
Writeup from MB 110:

Hutchison Icefield 18026 (HUT 18026)        81°26.82500’S, 26°12.72800’W

Antarctica, Antarctica

Find: 2019 Jan 17

Classification: Ordinary chondrite (L6)

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 hlaf buried in firn. Altitude 1116 m.

Physical characteristics: Mass: 6.29 g. Pieces: 1. Dimensions: 3 × 2 × 2 cm. An irregular, grey part stone with 30% black fusion crust.

Petrography: Equilibrated texture with poorly defined chondrules (up to 1 mm in diameter). Metal and sulfide distributed throughout.

Geochemistry: Mineral compositions and geochemistry: All analyses by EPMA. Olivine Fa26.5±0.2 (N=10), Pyroxene Fs22.2±0.3Wo1.6±0.1 (N=12). Plagioclase An10.4±0.5Ab84.3±0.9Or 5.4±0.7 (N=3).

Classification: Ordinary chondrite (L6). The silicate composition is at the limit between L and LL groups, but the magnetic susceptibility points of a metal content indicative of the L group Rochette et al. (2003).

Specimens: 5.530 g type specimen (main mass) held at NHM.

  • Rochette P., Sagnotti L., Bourot-Denise M., Consolmagno G., Folco L., Gattacceca J., Osete M.L., and Pesonen L. (2003) Magnetic classification of stony meteorites: 1. Ordinary chondrites. Meteorit. Planet. Sci. 38 251-268. (link)
Data from:
  Table 0
  Line 0:
Origin or pseudonym:Hutchison 2 (north) Icefields
Date:2019 Jan 17
Mass (g):6.29
Weathering grade:B/C
Fayalite (mol%):26.5±0.2 (N=10)
Ferrosilite (mol%):22.2±0.3 (N=12)
Wollastonite (mol%):1.6±0.1 (N=12)
Magnetic suscept.:4.78
Classifier:J. L. MacArthur, K. L. Joy and R. H. Jones, UMan
Type spec mass (g):5.530
Type spec location:NHM
Main mass:NHM
Finder:Julie Baum
Comments:Field ID:000026 BAS ID: Z18.6.4; 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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Public domain photographs:
Jane MacArthur      

     Recommended::   (81° 26' 49"S, 26° 12' 44"W)

     This is 1 of 5 approved meteorites from Antarctica, Antarctica
     This is 1 of 43331 approved meteorites from Antarctica (plus 3802 unapproved names)
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