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Queen Alexandra Range 94616 | |||||||||||||||||||||
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Basic information | Name: Queen Alexandra Range 94616 This is an OFFICIAL meteorite name. Abbreviation: QUE 94616 Observed fall: No Year found: 1994 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 13.6 g | ||||||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||||||
Comments: | Field number: 10033 | ||||||||||||||||||||
Writeup |
Writeup from AMN 19(2):
Macroscopic Description: Kathleen McBride
The exterior surface of this achondrite is dark gray in color
with a small patch of black fusion crust. The exterior has a pebbly
texture. The interior reveals a dirty gray matrix with abundant
mm-sized white, black and gray inclusions. Minor oxidation is
visible. Thin Section (,2) Description: Brian Mason The section shows a microbreccia of pyroxene and plagioclase clasts in a comminuted groundmass of these minerals; the groundmass contains a few small grains of opaques. The pyroxene is orthopyroxene with a lesser amount of pigeonite; orthopyroxene clasts are up to 1.5 mm across, whereas pigeonite clasts are smaller. Microprobe analyses show othropyroxene of essentially uniform composition, Wo3Fs24, and a wide range of pigeonite compositions, Wo5-30, Fs17-58. Plagioclase composition is An74-92. Two grains of olivine, Fa59, Fa62, were analyzed. The meteorite is a howardite. | ||||||||||||||||||||
Data from: MB82 Table A1 Line 327: |
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Catalogs: |
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References: | Published in Antarctic Meteorite Newsletter 19(2) (1996), JSC, Houston Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Geography: |
Statistics: This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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Revision history: |
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