David Weir: Meteorite Studies

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Sutter’s Mill

CM2.0/2.1 chondriteChondrites are the most common meteorites accounting for ~84% of falls. Chondrites are comprised [...]

Saint Sauveur

EH5 Impact-melt brecciaWork in Progress ... A rock that is a mechanical mixture of different [...]

NWA 7135

F3/4 (forsterite chondriteForsterite Chondrites or F-Chondrites are presently only known as inclusions in other meteorites [...]

NWA 5958

C2-ungrouped (CM-like) (C3.0-ung [2012], C2-ung in MetBull 99) Purchased September 2009 Numerous fragments of a [...]

NWA 3329

DiogeniteDiogenites belong to the evolved achondrite HED group that also includes howardites and eucrites. They [...]

NWA 2968

Diogenite Dunite (UngroupedModifying term used to describe meteorites that are mineralogically and/or chemically unique and [...]

NWA 2727

Lunar Mingled Breccia (fragmental breccia with clasts of very low-Ti olivineGroup of silicate minerals, (Mg,Fe)2SiO4, [...]

Lamesa

Iron, IAB complex, sLM subgroup Found 1981 32° 53′ N., 101° 53′ W. A single [...]

Knyahinya

L/LL5 Fell June 9, 1866 48° 54′ N., 22° 24′ E. Following detonations, a shower [...]

Ibitira

Eucrite-like basaltic achondriteAn achondrite is a type of stony meteorite whose precursor was of chondritic [...]