Sample No.:	QUE 99342
Location:	Queen Alexandra Range
Field No.:	12728
Dimensions (cm):	1.25x1.0x1.0
Weight (g):	1.702
Meteorite Type:	CM2 Chondrite

   

Macroscopic Description: Kathleen McBride
75% of this carbonaceous chondrite's exterior is covered with dull purple black fusion crust. The interior is composed of black matrix with evaporites and < 1 mm light gray clasts.

Thin Section (, 2) Description: Gretchen Benedix, Linda Welzenbach, and Tim McCoy

Plane-Polarized Light	Cross-Polarized Light

The section consist of a few small chondrules (up to 1 mm), mineral grains, and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa_0-37, with a prominent peak at Fa_0-2. The matrix consists dominantly of Fe-rich serpentine. The meteorite is a CM2 chondrite.

Macroscopic Description: Kathleen McBride
The exterior of this carbonaceous chondrite is covered with 75% black foamy fusion crust with polygonal fractures and it has a slight purplish sheen. The interior is composed of dull black matrix, with powdery texture that is not very friable. Light colored chondrules < 1 mm in size are visible.

Thin Section (, 2) Description: Gretchen Benedix, Linda Welzenbach, and Tim McCoy

Plane-Polarized Light	Cross-Polarized Light

The section consist of a few small chondrules (up to 1 mm), mineral grains, and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa_0-41, with a prominent peak at Fa_0-2. The matrix consists dominantly of Fe-rich serpentine. The meteorite is a CM2 chondrite. Pairing with QUE 99342 is possible.

Macroscopic Description: Cecilia Satterwhite
50% of the exterior of this meteorite is covered with pitted brown weathered fusion crust. The interior reveals rusty crystalline material that has a crumbly texture. Some rusty dark chondrules are visible.

Thin Section (, 2) Description: Tim McCoy, Linda Welzenbach, and Gretchen Benedix

Reflected Light	Plane-Polarized Light	Cross-Polarized Light

This meteorite is paired with a number of earlier-described QUE samples, including 94204/97348/97289/99059/99122/99157/99158. The section consists of mm-sized enstatite grains (Fs_0-1), SiO₂, zoned plagioclase (An_28-34), metal, troilite, daubreelite, alabandite and schreibersite. The latter phases often occur as rounded enclaves in the enstatite. These meteorites are unusual aubrites or enstatite chondrite impact melt rocks.

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Sample No.:	QUE 99438
Location:	Queen Alexandra Range
Field No.:	12505
Dimensions (cm):	2.2x1.1x1.1
Weight (g):	5.13
Meteorite Type:	EH3 Chondrite

   

Macroscopic Description: Cecilia Satterwhite
The exterior has brown/black patchy fusion crust, shiny in areas, with some oxidation present. The interior is a brown/black, fine-grained matrix with some rusty areas and metal visible.

Thin Section (, 2) Description: Tim McCoy, Linda Welzenbach, and Gretchen Benedix
The section shows an aggregate of chondrules (up to 2 mm), chondrule fragments, and pyroxene grains in a matrix that has experienced extensive terrestrial weathering. Olivine is present in several chondrules, occasionally comprising a significant fraction of the chondrule. Olivine is Fa_0-1 and pyroxene is Fs_0-2. The meteorite is a type 3 enstatite chondrite, probably an EH3.

Plane-Polarized Light	Plane-Polarized Light	Plane-Polarized Light	Cross-Polarized Light	Cross-Polarized Light

Macroscopic Description: Cecilia Satterwhite
The exterior has one shiny, pitted patch of black fusion crust. The interior is a fine-grained black matrix with small white and gray inclusions. Some inclusions are weathered.

Thin Section (, 2) Description: Gretchen Benedix, Linda Welzenbach, and Tim McCoy

Reflected Light	Plane-Polarized Light	Cross-Polarized Light

The sections consist of abundant small chondrules (up to 0.5 mm), mineral grains, and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa_1-34. The matrix consists dominantly of Fe-rich serpentine. The meteorite is a CM2 chondrite.

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Sample No.:	QUE 99517
Location:	Queen Alexandra Range
Field No.:	12525
Dimensions (cm):	1.4x0.8x0.5
Weight (g):	1.351
Meteorite Type:	L3 Chondrite (Estimated 3.4)

   

Macroscopic Description: Cecilia Satterwhite
90% of the exterior surface is covered with brown/black fractured fusion crust. Some oxidation haloes are visible. The interior is dark gray to black with minor metal and some rusty areas. Larger white/gray inclusions are abundant. Some inclusions are weathered.

Thin Section (, 2; ,4) Description: Linda Welzenbach, Gretchen Benedix, and Tim McCoy

Plane-Polarized Light	Cross-Polarized Light	Cross-Polarized Light

The sections exhibit numerous large (up to 2.5 mm), well-defined chondrules in a black matrix of fine-grained silicates, metal, and troilite. Polysynthetically twinned pyroxene is extremely abundant. The meteorites are highly weathered. Silicates are unequilibrated; olivines range from Fa_3-35, with several grains ~Fa₂₅, and pyroxenes from Fs_4-24. The meteorite is an L3 chondrite and may be of reasonably low subtype (estimated subtype 3.4).

Macroscopic Description: Kathleen McBride
The exterior has a shiny black fusion crust with yellow rust-colored circular splotches. The interior is powdery, light gray matrix and very friable. Submillimeter clasts of gray and white are mixed throughout.
* Meteorite was returned broken into numerous chips and fines. The largest piece shows that the rock was circular in shape or perhaps like a disk. Measurement from fusion crust to fusion crust is ~1.5 cm.

Thin Section (, 2) Description: Tim McCoy, Linda Welzenbach, and Gretchen Benedix

Plane-Polarized Light	Cross-Polarized Light

This meteorite consists of a finely comminuted matrix containing individual mineral grains of plagioclase and pyroxene and basaltic to gabbroic clasts up to 2 mm in diameter, which themselves exhibit a wide range of grains sizes. Pyroxenes are finely exsolved with end member compositions for orthopyroxene of Fs₅₉Wo₃ and augite of Fs₂₉Wo₄₀. Plagioclase is An₉₀. The Fe/Mn ratio of the pyroxene is ~27. The meteorite is a brecciated eucrite.

Macroscopic Description: Kathleen McBride
The exterior is completely covered with shiny black fusion crust. The interior consists of linear white and gray crystalline material.

Thin Section (, 2) Description: Tim McCoy, Linda Welzenbach, and Gretchen Benedix

Plane-Polarized Light	Cross-Polarized Light

This meteorite is an unbrecciated, coarse eucrite that has been extensively shocked and is cross cut by shock melt veins. Orthopyroxene is homogeneous at Fs₅₉Wo₂. Plagioclase is An₈₉Or_0.5. The Fe/Mn ratio of the pyroxene is ~29. The meteorite is an unbrecciated eucrite.

Macroscopic Description: Kathleen McBride
The exteriors of these carbonaceous chondrites have patches of rough, black fusion crust with polygonal fractures. The interior is a dark gray matrix.

Thin Section (, 3) Descriptions: Gretchen Benedix, Linda Welzenbach, and Tim McCoy

QUE 99675 Plane-Pol. Light	QUE 99675 Cross-Pol. Light

These sections are so similar that a single description suffices. The section consists of large (up to 1 mm) chondrules in a matrix of finer-grained silicates, sulfides, and very abundant magnetite. The meteorites are little weathered, but extensively shock blackened. Silicates are homogeneous. Olivine is Fa₂₈ and orthopyroxene is Fs_24-25. The meteorites are CK4 chondrites.

QUE 99676 Plane-Pol. Light	QUE 99676 Cross-Pol. Light	QUE 99677 Plane-Pol. Light	QUE 99677 Cross-Pol. Light

QUE 99678 Plane-Pol. Light	QUE 99678 Cross-Pol. Light	QUE 99678 Plane-Pol. Light	QUE 99678 Cross-Pol. Light

QUE 99679 Plane-Pol. Light	QUE 99679 Cross-Pol. Light	QUE 99679 Plane-Pol. Light	QUE 99679 Cross-Pol. Light