David Weir: Meteorite Studies
Seymchan
PallasiteOne of two main classes of stony-iron meteorite, the other being mesosiderites. Pallasites are igneous [...]
Springwater
Pallasite, MG (main-group), anomalous silicateThe most abundant group of minerals in Earth's crust, the structure [...]
Sikhote Alin
Iron, IIAB, coarsest octahedriteMost Common type of iron meteorite, composed mainly of taenite and kamacite [...]
Santa Catharina
Iron, IAB complex, Twin City duo Found 1875 26° 19′ S., 48° 39′ W. Many [...]
Santa Clara
Iron, IVB, ataxiteWork in Progress Relatively rare variety of iron meteorite (designated type D) made [...]
Sombrerete
Iron, ungroupedModifying term used to describe meteorites that are mineralogically and/or chemically unique and defy [...]
SAHARA 03500
Primitive AchondriteAchondrite with an almost chondritic composition with age similar to the primordial chondrites. These [...]
SAHARA 00182
C3-ungrouped w/ CV/CR affinities (related to HaH 073 and possibly to the Coolidge–Loongana grouplet) Found [...]
SAH 98034
H5, highly porous Found September 1998 z+0° 07′ 08′ w+0° 08′ 58′ Five fragments of [...]
SAHARA 99555
Angrite Basaltic/Quenched Found May 1999 y° 13′ 53′ N., x° 32′ 01′ W. A single [...]