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Hutchison Icefield 18030
Basic information Name: Hutchison Icefield 18030
     This is an OFFICIAL meteorite name.
Abbreviation: HUT 18030
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by the Lost Meteorites of Antarctica project, UK]
Mass:help 33.9 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1913 approved meteorites (plus 4 unapproved names) classified as L4.   [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
Writeuphelp
Writeup from MB 110:

Hutchison Icefield 18030 (HUT 18030)        81°36.60533’S, 26°29.82400’W

Antarctica, Antarctica

Find: 2019 Jan 18

Classification: Ordinary chondrite (L4)

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. Altitude 1267 m.

Physical characteristics: Mass: 33.91 g. Pieces: 1. Dimensions: 5 × 4 × 3 cm. A round, whole light-gray stone with 98% black fusion crust.

Petrography: Well-defined chondrules (up to 1 mm in diameter), chondrule fragments and mineral grains in a coarse-grained matrix. Metal and sulfide grains up to 0.8 mm throughout.

Geochemistry: Mineral compositions and geochemistry: All analyses by EPMA. Olivine Fa25.4±0.5 (N=11), Pyroxene Fs22.3±1.9Wo1.7±0.2 (N=12). Plagioclase An11.6Ab84.2Or4.2 (N=1).

Classification: Ordinary chondrite (L4).

Specimens: 33.30 g type specimen (main mass) held at the NHM.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antarctica
Origin or pseudonym:Hutchison 4 (south) Icefields
Date:2019 Jan 18
Latitude:81°36.60533'S
Longitude:26°29.82400'W
Mass (g):33.91
Pieces:1
Class:L4
Weathering grade:A
Fayalite (mol%):25.4±0.5 (N=11)
Ferrosilite (mol%):22.3±1.9 (N=12)
Wollastonite (mol%):1.7±0.2 (N=12)
Magnetic suscept.:4.76
Classifier:J. L. MacArthur, K. L. Joy and R. H. Jones, UMan
Type spec mass (g):33.3
Type spec location:NHM
Main mass:NHM
Finder:Katherine Joy
Comments:Field ID:000030 BAS ID: Z18.9.2; submitted by J. L. MacArthur, UMan
Institutions
   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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Photos:
CreditPhotos
Public domain photographs:
Jane MacArthur      
Geography:

Antarctica
Coordinates:
     Recommended::   (81° 36' 36"S, 26° 29' 49"W)

Statistics:
     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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