Name: LaPaz Icefield 031370 This is an OFFICIAL meteorite name. Abbreviation: LAP 031370 Observed fall: No Year found: 2003 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 8.7 g
Macroscopic Description: Kathleen McBride
The exterior is dull and rusty with oxidation haloes. This iron is shaped like a fish.
Thin Section (,2) Description: Cari Corrigan, Tim McCoy
We examined this small meteorite in polished section from a central slice. The section consists of ~90% kamacite with abundant Neumann bands that vary in spacing from a few to a hundred microns. No heat altered zone or a2 structure was observed. Included within the metal are polyminerallic silicate inclusions that reach a few mm in diameter with included metal, troilite, chromite and pentlandite and a kidney-shaped troilite inclusion 1.2 mm in length. The silicates are broadly chondritic and relict barred chondrules are present. Silicates are homogeneous with olivine of Fa24 and orthopyroxene of Fs21. The meteorite is an ungrouped iron.