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Reckling Peak A80216
Basic information Name: Reckling Peak A80216
     This is an OFFICIAL meteorite name.
Abbreviation: RKPA80216
This meteorite may also be called Reckling Peak 80216 (RKP 80216) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 44.3 g
Antarctic Meteorite Newsletter:  AMN 5(1)  (1982)  L4
Meteoritical Bulletin:  MB 76  (1994)  L4
NHM Catalogue:  5th Edition  (2000)  L4
MetBase:  v. 7.1  (2006)  L4
Recommended:  L4    [explanation]

This is 1 of 1709 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)
Writeup from AMN 5(1):

Sample No.: RKPA80216

Location: Reckling Peak

Field No.: 1095

Weight (gms): 44.3

Meteorite Type: L4 Chondrite


Physical Description: Roberta Score

Pitted black fusion crust covers all but one surface of this meteorite. The fracture surface is full of weathered chondrules which can be easily plucked out. The interior is light to medium gray with numerous darker gray rounded and irregular inclusions. Oxidation is scattered throughout. Dimensions: 4.5 x 2 x 2 cm


Petrographic Description: Brian Mason

Chondritic structure is well developed, with a variety of chondrule types; irregular granular aggregates, possibly chondrule fragments, were also noted. The chondrules are set in a fine-grained groundmass consisting largely of olivine and pyroxene, with minor subequal amounts of nickel-iron and troilite. Some of the pyroxene, especially in the chondrules, is polysynthetically twinned. Brown limonitic staining is present around metal grains. Microprobe analyses gave the following compositions: olivine, Fa23; pyroxene, Fs20. The meteorite is classified as an L4 chondrite.

Data from:
  Table 2
  Line 5403:
Mass (g):44.3
Weathering grade:B
Fayalite (mol%):23
Ferrosilite (mol%):20
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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° 13' 4"S, 158° 36' 22"E)
Note: the NHM and MetBase coordinates are 17.9 km apart

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