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Reckling Peak 92413
Basic information Name: Reckling Peak 92413
     This is an OFFICIAL meteorite name.
Abbreviation: RKP 92413
Observed fall: No
Year found: 1992
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.7 g
Antarctic Meteorite Newsletter:  AMN 17(3)  (1994)  LL3.7
Meteoritical Bulletin:  MB 79  (1996)  LL3.7
NHM Catalogue:  5th Edition  (2000)  LL3.7
MetBase:  v. 7.1  (2006)  LL3.7
Recommended:  LL3.7    [explanation]

This is 1 of 29 approved meteorites classified as LL3.7.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Writeup from AMN 17(3):
Sample No.: RKP92413; 92416
Location: Reckling Peak
Dimensions (cm): 1.7 x 1.0 x 0.8; 3.7 x 2.5 x 2.0
Weight (g): 1.7; 39.9
Meteorite Type: LL3 chondrite (estimated LL3.7)

Macroscopic Description: Cecilia Satterwhite
Roughly half of each of these specimens is covered with weathered black fusion crust. Evaporite deposit was noted on RKP92416. Abundant small light and dark inclusions are present in the dark gray to black matrix. Oxidation is heavy but metal is still obvious.

Thin Section (RKP92413,2; 92416,2) Description: Brian Mason The sections are so similar that a single description suffices; the meteorites are probably paired. The sections show a close-packed aggregate of chondrules and chondrule fragments, up to 2.4 mm across, in a dark matrix which contains accessory amounts of nickel-iron and troilite. Brown limonitic staining pervades the sections. Olivine compositions range from Fa21 to Fa37, with a mean of Fa28; pyroxene compositions range from Fs10 to Fs23. The meteorites are classified as LL3 chondrite (estimated LL3.7).

Data from:
  Table 2
  Line 1727:
Mass (g):1.7
Weathering grade:B/C
Fayalite (mol%):21-37
Ferrosilite (mol%):17-21
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References: Published in Antarctic Meteorite Newsletter 17(3) (1994), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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     Catalogue of Meteorites:   (76° 16'S, 159° 15'E)
     Recommended::   (76° 13' 11"S, 158° 22' 45"E)
Note: the NHM and MetBase coordinates are 23.7 km apart

     This is 1 of 43500 approved meteorites from Antarctica (plus 3802 unapproved names)
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