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Hutchison Icefield 18025
Basic information Name: Hutchison Icefield 18025
     This is an OFFICIAL meteorite name.
Abbreviation: HUT 18025
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by the Lost Meteorites of Antarctica project, UK]
Mass:help 0.33 g
Classification
  history:
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
Writeuphelp
Writeup from MB 110:

Hutchison Icefield 18025 (HUT 18025)        81°27.71233’S, 26°15.98400’W

Antarctica

Find: 2019 Jan 17

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 1116 m.

Physical characteristics: Mass: 0.33 g. Pieces: 2 small stones found at same location. Piece A: Mass: 0.30 g. dimensions: 1 cm × 0.5 cm × 0.5 cm. An irregular. part stone with 40% black fusion crust and rusty brown-red interior. Piece B: 0.03 g. dimensions: 0.3 × 0.2 × 0.3 cm. An irregular part stone with rusty brown interior.

Petrography: Piece B (0.03g): Equilibrated texture with some poorly defined relict chondrules (up to 0.8 mm). Metal and sulfide grains occur as grains up to 0.5 mm throughout. and as small blebs in relict chondrules.

Geochemistry: Mineral compositions and geochemistry: All analyses by EPMA. Olivine Fa18.9±0.2 (N=11). Pyroxene Fs16.6±0.2Wo1.4±0.3 (N=11). Plagioclase An12.1±0.4Ab82.4±0.3Or5.4±0.3 (N=3).

Classification: H6

Specimens: 0.3 g type specimen (main mass) held at the NHM London.

Data from:
  MB110
  Table 0
  Line 0:
Origin or pseudonym:Hutchison 2 (north) Icefields
Date:2019 Jan 17
Latitude:81°27.71233'S
Longitude:26°15.98400'W
Mass (g):0.33
Pieces:2
Class:H6
Weathering grade:C
Fayalite (mol%):18.9±0.2 (N=11)
Ferrosilite (mol%):16.6±0.2 (N=11)
Wollastonite (mol%):1.4±0.3 (N=11)
Magnetic suscept.:4.3
Classifier:J. L. MacArthur. K. L. Joy and R. H. Jones. UMan
Type spec mass (g):0.3
Type spec location:NHM London
Main mass:NHM London
Finder:Katherine Joy
Comments:Field ID:000025A. 000025B. BAS ID: Z18.6.3; 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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Geography:

Antarctica
Coordinates:
     Recommended::   (81° 27' 43"S, 26° 15' 59"W)

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