header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 7 Jul 2020
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
LaPaz Icefield 04809
Basic information Name: LaPaz Icefield 04809
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 04809
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 15.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  CM2
Meteoritical Bulletin:  MB 94  (2008)  CM2
Recommended:  CM2    [explanation]

This is 1 of 540 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: LAP 04809
Location: LaPaz Ice Field
Field No.: 17034
Dimensions (cm):   3.0 x 2.5 x 2.0
Weight (g): 15.835
Meteorite Type:

CM2 Chondrite



Macroscopic Description: Kathleen McBride
The exterior has <10% purplish black fusion crust. The interior is a black, powdery matrix with gray to white chondrules.

Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section consists of a few small, well-defined, unaltered chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-46. The meteorite is a CM2 chondrite.



Thin Section Images

Reflected Light
LAP 04809
LAP04809 - Reflected Light



Lab Images

LAP 04809

Data from:
  MB94
  Table 4
  Line 296:
Mass (g):15.835
Class:CM2
Weathering grade:B
Fayalite (mol%):1-46
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 30(2) (2007), JSC, Houston
Published in Meteoritical Bulletin, no. 94, MAPS 43, 1551-1588 (2008)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)

Direct link to this page