Name: LaPaz Icefield 04846 This is an OFFICIAL meteorite name. Abbreviation: LAP 04846 Observed fall: No Year found: 2004 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 0.5 g
Macroscopic Description: Kathleen McBride
80% of exterior has shiny black fusion crust. The gray matrix has some rust stains and white inclusions are visible.
Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
This meteorite consists of a brecciated matrix that contains abundant coarse (up to 2 mm) mineral fragments and rare polyminerallic clusters. Mineral compositions are relatively homogeneous with orthopyroxene (Fs41Wo2), with lamellae of augite (Fs12Wo45), and plagioclase (An91Or0.5). The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a brecciated eucrite.