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Reckling Peak A80230
Basic information Name: Reckling Peak A80230
     This is an OFFICIAL meteorite name.
Abbreviation: RKPA80230
This meteorite may also be called Reckling Peak 80230 (RKP 80230) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 58.2 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 5(1)  (1982)  H5
Meteoritical Bulletin:  MB 76  (1994)  H5
NHM Catalogue:  5th Edition  (2000)  H5
MetBase:  v. 7.1  (2006)  H5
Recommended:  H5    [explanation]

This is 1 of 10132 approved meteorites (plus 18 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeuphelp
Writeup from AMN 5(1):

Sample No.: RKPA80230

Location: Reckling Peak

Field No.: 1399

Weight (gms): 58.2

Meteorite Type: H5 Chondrite

 

Physical Description: Roberta Score

Dull black fusion crust covers most of this meteorite. Chipping revealed a 3 mm thick weathering rind. The interior material is light gray with many 1 mm sized darker inclusions. One end of the meteorite has an area of darker colored matrix which may be due to weathering. A large troilite grain (.5 cm in diameter) exists as a distinct chondrule. Dimensions: 4 x 4 x 2 cm

 

Petrographic Description: Brian Mason

Chondrules are fairly abundant, ranging up to 0.9 mm across. They are set in a granular groundmass consisting largely of olivine and pyroxene, with minor nickel-iron and troilite and a little fine-grained plagioclase. Brown limonitic staining surrounds the nickel-iron grains. Traces of fusion crust are present along one edge. Microprobe analyses gave the following compositions: olivine, Fa18; pyroxene, Fs16; plagioclase, An12. The meteorite is classified as an H5 chondrite.

Data from:
  MB76
  Table 2
  Line 5417:
Mass (g):58.2
Class:H5
Weathering grade:B
Fayalite (mol%):18
Ferrosilite (mol%):16
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° 12' 27"S, 158° 30' 34"E)
Note: the NHM and MetBase coordinates are 20.8 km apart

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