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Reckling Peak A80222
Basic information Name: Reckling Peak A80222
     This is an OFFICIAL meteorite name.
Abbreviation: RKPA80222
This meteorite may also be called Reckling Peak 80222 (RKP 80222) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 5(1)  (1982)  LL6
Meteoritical Bulletin:  MB 76  (1994)  LL6
NHM Catalogue:  5th Edition  (2000)  LL6
MetBase:  v. 7.1  (2006)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2796 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)
Writeuphelp
Writeup from AMN 5(1):

Sample No.: RKPA80222

Location: Reckling Peak

Field No.: 1319

Weight (gms): 6.9

Meteorite Type: LL6 Chondrite

 

Physical Description: Roberta Score

Black fusion crust covers two surfaces and appears as patches on the two other surfaces. Several clasts are visible. The interior is relatively fresh. A 2 mm troilite grain was exposed in chipping. Many dark inclusions are visible in the light matrix. This specimen is paired with RKPA80238 and RKPA80248. Dimensions: 2.5 x 1.5 x 1 cm

 

Petrographic Description: Brian Mason

Chondritic structure is barely discernable, the meteorite consisting of a granular aggregate of olivine and pyroxene, with minor amounts of nickel-iron, troilite, and plagioclase; some of the nickel-iron is present as unusually large grains, up to 3 mm long. The meteorite has a brecciated structure typical of many LL chondrites. A small amount of limonitic staining is present around the metal grains. Microprobe analyses gave the following compositions: olivine, Fa28; orthopyroxene, Fs23; plagioclas An11. The meteorite is classified as an LL6 chondrite.

Data from:
  MB76
  Table 2
  Line 5409:
Mass (g):7
Class:LL6
Weathering grade:B
Fayalite (mol%):28
Ferrosilite (mol%):23
Catalogs:
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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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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 16'S, 159° 15'E)
     Recommended::   (76° 14' 18"S, 158° 14' 55"E)
Note: the NHM and MetBase coordinates are 26.8 km apart

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