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Hutchison Icefield 18029
Basic information Name: Hutchison Icefield 18029
     This is an OFFICIAL meteorite name.
Abbreviation: HUT 18029
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by the Lost Meteorites of Antarctica project, UK]
Mass:help 811 g
Recommended:  LL6    [explanation]

This is 1 of 2843 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 May 2021
Writeup from MB 110:

Hutchison Icefield 18029 (HUT 18029)        81°36.53083’S, 26°28.73550’W

Antarctica, Antarctica

Find: 2019 Jan 18

Classification: Ordinary chondrite (LL6)

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 blue ice surface/stuck on ice at Hutchison Icefields ice field 4 (south). Altitude 1264 m.

Physical characteristics: Mass: 812.73 g. Pieces: 4. Largest stone: 13 cm × 12 cm × 8 cm, mass 810.89 g. A flat, whole stone with 90% black fusion crust and light-gray interior. 3 pieces: 0.67 g + 0.60 g + 0.57 g found at same location in the field.

Petrography: Clearly delineated chondrules (up to 1.5 mm in diameter), equilibrated texture. Plagioclase grains up to 0.1 mm. Metal and sulfide grains up to 0.5 mm.

Geochemistry: Mineral compositions and geochemistry: All analyses by EPMA. Olivine Fa28.4±0.3 (N=8), Pyroxene Fs23.5±0.3Wo1.6±0.1 (N=12).

Classification: Ordinary chondrite (LL6).

Specimens: 810.9 g type specimen (main mass) held at the NHM London.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:Hutchison Icefields
Date:2019 Jan 18
Mass (g):810.89
Weathering grade:A
Fayalite (mol%):28.4±0.3 (N=8)
Ferrosilite (mol%):23.5±0.3 (N=12)
Wollastonite (mol%):1.6±0.1 (N=12)
Magnetic suscept.:4.10
Classifier:J. L. MacArthur, K. H. Joy and R. H. Jones, UMan
Type spec mass (g):810.89
Type spec location:NHM London
Main mass:NHM London
Finder:Katherine Joy
Comments:Field ID:000029 BAS ID: Z18.9.1; 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° 36' 32"S, 26° 28' 44"W)

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