Meteoritical Bulletin: Entry for LaPaz Icefield 04751

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LaPaz Icefield 04751

Basic information

Name: LaPaz Icefield 04751
This is an OFFICIAL meteorite name.
Abbreviation: LAP 04751
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 2.8 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 30(1)	(2007)	H-imp melt
Meteoritical Bulletin:	MB 92	(2007)	H-imp melt
Recommended:			H-imp melt [explanation]

This is 1 of 13 approved meteorites classified as H-imp melt. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 16 Feb 2007

Writeup

Writeup from AMN 30(1):

Sample No.:	LAP 04751
Location:	LaPaz Ice Field
Field No.:	17426
Dimensions (cm):	1.5x1.0x1.0
Weight (g):	2.810
Meteorite Type:	H Chondrite (Impact Melt)

Macroscopic Description: Kathleen McBride
100% brown/black fusion crust with oxidation haloes covers the exterior surface of this ordinary chondrite. The interior is smooth, brown in color.

Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
This H chondrite (Fa₁₉Fs₁₆) is dominated by a melted matrix with rounded metal globules of <100 Âµm in diameter. Highly-metamorphosed clasts remain at the edge of the section. This small meteorite is an H impact melt breccia.

Thin Section Images

Plane-Polarized Light LAP 04751	Reflected Light LAP 04751

Lab Images

Data from:
  MB92
  Table 3
  Line 290:

Mass (g):	2.8
Class:	H-IM
Weathering grade:	B/C
Fayalite (mol%):	19
Ferrosilite (mol%):	16

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 30(1) (2007), JSC, Houston
Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)

Find references in NASA ADS:
Find references in Google Scholar:

Photos:

Credit	Photos
Photographs from AMN:
JSC	A photo is in the write-up above

Geography:

Antarctica

Coordinates:

Unknown.

Statistics:
This is 1 of 40849 approved meteorites from Antarctica (plus 4494 unapproved names)

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