Antarctic Search for Meteorites (ANSMET) Search this
Place:
Antarctica
Collection Date:
1999
Notes:
# NASA data for QUE 99158 Weathering: C Fracturing: C Pairing: QUE 94204 Fs: 0-1 mol %
10% of the exterior of these meteorites are covered with patchy brown-black fusion crust. The interiors reveal rusty crystalline material that crumbles easily. These meteorites are too rusty to observe any visible inclusions.
These meteorites are so similar that a single description suffices. The section consists of mm-sized enstatite grains (Fs₀₋₁), SiO₂, zoned plagioclase (An₇₋₃₁), potassium feldspar, metal, troilite, daubreelite, alabandite and schreibersite. The latter phases often occur as rounded enclaves in the enstatite. These meteorites are paired with the QUE 99059/94204/97348/97289 grouping. Unlike these earlier members, which contained either plagioclase or SiO₂, these three contain both phases. These meteorites are unusual aubrites or enstatite chondrite impact melt rocks.
