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Reckling Peak A79003
Basic information Name: Reckling Peak A79003
     This is an OFFICIAL meteorite name.
Abbreviation: RKPA79003
This meteorite may also be called Reckling Peak 79003 (RKP 79003) in publications.

Observed fall: No
Year found: 1979 or 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 182.2 g
Antarctic Meteorite Newsletter:  AMN 4(1)  (1981)  H6
Meteoritical Bulletin:  MB 76  (1994)  H6
NHM Catalogue:  5th Edition  (2000)  H6
MetBase:  v. 7.1  (2006)  H6
Recommended:  H6    [explanation]

This is 1 of 6133 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeup from AMN 4(1):

Sample No.: RKPA79003

Location: Reckling Peak

Field No.: 1185

Weight (gms): 182.2

Meteorite Type: H6 Chondrite


Physical Description: Roberta Score

Black fusion crust totally covers all surfaces of this semi-rounded stone. Small areas where the fusion crust has been plucked off reveal a reddish-brown matrix with many inclusions. Numerous attempts to obtain a fresh chip for thin sections failed. Several small exterior chips which may or may not be representative of this stone were obtained. The chips obtained look granular in texture and reddish-brown in color and contain fusion crust. Dimensions: 7 x 4.5 x 3.5 cm.


Petrographic Description: Brian Mason

Chondrules are sparse and poorly defined, being barely distinguishable from the granular groundmass, which consists largely of olivine and pyroxene, with minor amounts of nickel-iron, plagioclase, and troilite. Weathering is indicated by moderate limonitic staining around metal grains, and some small areas of brown limonite. Microprobe analyses gave the following compositions: olivine, Fa18; pyroxene, Fs16; plagioclase, An12. The meteorite is classified as an H6 chondrite.

Data from:
  Table 2
  Line 5381:
Mass (g):182.2
Weathering grade:B
Fayalite (mol%):18
Ferrosilite (mol%):16
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References: Published in Antarctic Meteorite Newsletter 4(1) (1981), 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' 50"S, 158° 26' 0"E)
Note: the NHM and MetBase coordinates are 22.5 km apart

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