Sample No.:	LAR 06621
Location:	Larkman Nunatak
Field No.:	19339
Dimensions (cm):	3.5 x 3.0 x 1.5
Weight (g):	20.235
Meteorite Type:	Howardite

Macroscopic Description: Kathleen McBride
Rough brown/black fusion crust covers 50% of the exterior. The matrix is a tannish gray color with

 

Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm) with fine- to coarse-grained basaltic clasts ranging up to 3 mm. Impact melt clasts are 1-2 mm and occur in some abundance. Pyroxene varies widely in composition with iron-rich pyroxenes ranging between Fs₆₀Wo₃ and Fs₂₇Wo₄₃. Iron-poor pyroxenes are Fs₁₉Wo₁. Pyroxene has an Fe/Mn ratio of ~30. Plagioclase is An_84-93Or_0.3. The meteorite is a howardite.

Thin Section Images

Plane-Polarized Light LAR 06621	Cross Polarized Light LAR 06621

Lab Images