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Reckling Peak A80232
Basic information Name: Reckling Peak A80232
     This is an OFFICIAL meteorite name.
Abbreviation: RKPA80232
This meteorite may also be called Reckling Peak 80232 (RKP 80232) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 80.1 g
Antarctic Meteorite Newsletter:  AMN 5(1)  (1982)  H4
Meteoritical Bulletin:  MB 76  (1994)  H4
NHM Catalogue:  5th Edition  (2000)  H4
MetBase:  v. 7.1  (2006)  H4
Recommended:  H4    [explanation]

This is 1 of 5996 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeup from AMN 5(1):

Sample No.: RKPA80232

Location: Reckling Peak

Field No.: 1293

Weight (gms): 80.1

Meteorite Type: H4 Chondrite


Physical Description: Roberta Score

Brownish-black fusion crust covers most of the specimen. Chipping exposed a discontinuous weathering rind, 1-3 mm thick. The unweathered interior material is medium to dark gray in color, with many light and dark colored irregular and rounded inclusions. Oxidation halos are uniformly scattered throughout the interior. Dimensions: 4.5 x 3.0 x 2.5 cm


Petrographic Descriptions: Brian Mason

The section is made up largely of an aggregate of chondrules, ranging up to 1.2 mm across. They are set in a granular groundmass of olivine and pyroxene, with minor amounts of nickel-iron and troilite. Some of the pyroxene is polysynthetically twinned clinobronzite. Brown limonitic staining is extensive, concentrated around the metal grains. Fusion crust is present along one edge. Microprobe analyses gave the following compositions: olivine Fa18; pyroxene, Fs16. The meteorite is classified as an H4 chondrite.

Data from:
  Table 2
  Line 5419:
Mass (g):80.1
Weathering grade:B
Fayalite (mol%):18
Ferrosilite (mol%):16
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References: Published in Antarctic Meteorite Newsletter 5(1) (1982), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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     Catalogue of Meteorites:   (76° 16'S, 159° 15'E)
     Recommended::   (76° 12' 29"S, 158° 28' 59"E)
Note: the NHM and MetBase coordinates are 21.4 km apart

     This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)
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