Macroscopic Description: Cecilia Satterwhite
QUE93030 is mostly covered with black fusion crust. Some exterior surfaces are pitted; some have oxidation haloes. Areas devoid of fusion crust are brown and small inclusions are visible. Cleaving this chondrite revealed a medium gray matrix with yellowish-brown oxidation uniformly scattered throughout. A thick dark brown oxidation rind is present. Only a few light and dark inclusions are discernible.

Thin Section (,2) Description: Brian Mason
The section shows numerous chondrules (up to 1.5 mm across), chondrule fragments, and mineral grains in a dark brown to black matrix. Nickel-iron grains are abundant in the matrix; troilite is present in lesser amounts. The meteorite is severely weathered. Microprobe analyses show a wide range in olivine and pyroxene compositions: olivine, Fa6-20, mean Fa14; pyroxene, Fs11-17. The variable olivine and pyroxene compositions indicate type 3, and the amount of nickel-iron H group; the meteorite is therefore classified as an H3 chondrite (estimated H3.6).

Sample No.: QUE93148 Location: Queen Alexandra Range Dimensions (cm): 1.0 x 0.8 x 0.5 Weight (g): 1.1 Meteorite Type: Lodranite

Macroscopic Description: Robbie Marlow
Only twenty percent of the dull, weathered, brownish-black fusion crust remains on this specimen. The interior matrix is a rich dark amber color. The crystalline texture is coarse-grained.

Thin Section (,2) Description: Brian Mason
The section shows an irregular grain of nickel-iron, 3 mm across, partly surrounded by anhedral grains of olivine and orthopyroxene, 0.3-0.9 mm across. Fusion crust is present along one edge. Olivine composition is Fa15, pyroxene composition Wo2Fs13. The meteorite is a lodranite.

Macroscopic Description: Robbie Marlow
Shiny, smooth, dark-brown fusion crust covers ninety-five percent of the exterior of this chondrite. The interior is composed of weathered, brownish-black matrix. Oxidation is extensive and evaporite deposit was noted in the interior.

Thin Section (,2) Description: Brian Mason
The section shows numerous chondrules (up to 2.4 mm across), chondrule fragments, and mineral grains in a small amount of black matrix. The meteorite is severely weathered, with only traces of nickel-iron and troilite remaining. Microprobe analyses show a wide range in olivine and pyroxene compositions: olivine, Fa7-28, mean Fa14; pyroxene, Fs6-26. The meteorite is classified as an L3 Chondrite (estimated L3.5).

Macroscopic Description: Robbie Marlow
Both of these small specimens are identical. The small amount of fusion crust that remains is dull and dark brown. The rest of the exterior surfaces have a polished, waxy appearance. The brownish-gray interior shows abundant crystal faces.

Thin Section (QUE93336,2; 93341,2) Description: Brian Mason
The sections are so similar that the meteorites are certainly paired. They show anhedral grains of olivine and pyroxene in a black matrix. Considerable weathering is indicated by brown limonite rimming many grains. In reflected light the margins of the silicate grains are seen to contain numerous minute metal grains, probably the product of reduction from their iron content by the carbonaceous matrix. During polishing the probable presence of microscopic diamonds in the matrix was noted. Microprobe analyses show that most of the olivine and pyroxene has uniform composition; olivine, Fa23; pyroxene Wo10Fs18; but the margins of the grains show greatly reduced iron contents. The meteorite is a ureilite, and appears to be relatively unshocked.

Macroscopic Description: Cecilia Satterwhite
Forty percent of the exterior of this chondrite is covered with brown/black fusion crust. Areas devoid of fusion crust have a polished look. The interior matrix is dark brown to black. Metal is visible. The areas that are oxidized are a yellowish-brown.

Thin Section (,2) Description: Brian Mason
The section shows an aggregate of chondrules and chondrule fragments, up to 1.8 mm across, and mineral grains in a moderate amount of dark matrix. The chondrules and mineral grains consist almost entirely of pyroxene, with possible traces of olivine. The matrix contains a considerable amount of nickel-iron and minor sulfides. Weathering is extensive, with veinlets and patches of brown limonite throughout the section. Microprobe analyses show that most of the pyroxene is close to MgSiO3 in composition, but a few more iron-rich grains were analyzed. The nickel-iron contains 0.5-1.1% Si. The meteorite is classified as an E3 chondrite.

Macroscopic Description: Carol Schwarz
Approximately 50% thin, shiny, and iridescent fusion crust remains on the exterior of QUE93372. The interior matrix has areas of white/rusty material and medium gray material. Metal is dense in the gray areas but less concentrated in the white and rusty areas. Weathering is moderate.

Thin Section (,2) Description: Brian Mason
The section shows a granular aggregate of pyroxene, with considerable nickel-iron and minor sulfides. A few chondrules can be recognized, but their margins are largely integrated with the matrix. The meteorite is moderately weathered, with some limonitic staining throughout the section. Microprobe analyses show that the pyroxene is essentially pure MgSiO3; the metal contains 2.7% Si. The meteorite is classified as an E5 chondrite.

Macroscopic Description: Carol Schwarz
Fusion crust is dull, black, and has a rough texture. The interior matrix is dark gray/black and fine-grained. Some metal is present. Evaporite deposit is abundant; it is mostly white along the edge of the fusion crust and red-brown or yellowish in the interior.

Thin Section (,2) Description: Brian Mason
The section shows numerous chondrules and irregular aggregates, up to 2.4 mm across, in a black matrix. A minor amount of fine-grained metal and troilite is present, mainly concentrated within chondrules. Brown limonitic staining pervades the section. Microprobe analyses show that most of the olivine in the chondrules is close to Mg2SiO4 in composition, but ranges up to Fa10; pyroxene composition is Fs1-6. The matrix appears to consist largely of iron-rich olivine, about Fa50. The meteorite is classified as a C3 chondrite of the Vigarano subtype.