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Reckling Peak 92403
Basic information Name: Reckling Peak 92403
     This is an OFFICIAL meteorite name.
Abbreviation: RKP 92403
Observed fall: No
Year found: 1992
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 4.1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 17(1)  (1994)  Eucrite-br
Meteoritical Bulletin:  MB 79  (1996)  Eucrite-br
NHM Catalogue:  5th Edition  (2000)  Eucrite-br
MetBase:  v. 7.1  (2006)  Eucrite-mmict
Recommended:  Eucrite-br    [explanation]

This is 1 of 166 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from AMN 17(1):

Sample No.: RKP92403

Location: Reckling Peak

Dimensions (cm): 2.2 x 1.8 x 1.0

Weight (g): 4.1

Meteorite Type: Eucrite (brecciated)

 

Macroscopic Description: Cecilia Satterwhite

The exterior of this achondrite is covered with black fusion crust that is shiny in some areas. Evaporite deposit is present on the exterior. The interior matrix of this meteorite is fine-grained, light to medium gray, and has a few small white and black inclusions. Minor oxidation was noted.

 

Thin Section (,2) Description: Brian Mason

The section shows a few coarse-grained gabbroic areas, up to 5 mm across, in a fine-grained groundmass of comminuted plagioclase and pyroxene. Microprobe analyses show pyroxene of fairly uniform composition, ranging from Wo2Fs49 to Wo5Fs55; plagioclase composition ranges from An78 to An89. The meteorite is classified as a monomict eucrite (brecciated).

 

Data from:
  MB79
  Table 2
  Line 1717:
Mass (g):4.1
Class:Eu "br"
Weathering grade:A/Be
Ferrosilite (mol%):49-55
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 17(1) (1994), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 16'S, 159° 15'E)
     Recommended::   (76° 14' 48"S, 157° 53' 10"E)
Note: the NHM and MetBase coordinates are 36.3 km apart

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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