David Weir: Meteorite Studies

Guadalupe y Calvo

Iron, IIAB, hexahedriteOne of the main types of iron meteorites composed almost entirely of kamacite [...]

Guanaco

Iron, IIG compositionally linked to group IIAB Found 2000 25° 06′ S., 69° 32′ W. [...]

Georgetown

Iron, IAB-complex, ungroupedModifying term used to describe meteorites that are mineralogically and/or chemically unique and [...]

Gibeon

Iron, IVA, octahedriteMost Common type of iron meteorite, composed mainly of taenite and kamacite and [...]

DIVNOE

AchondriteAn achondrite is a type of stony meteorite whose precursor was of chondritic origin and [...]

Dho 979

Ureilite Monomict/Unbrecciated Olivine–pigeoniteLow-Ca clinopyroxene, (Ca,Mg,Fe)SiO3, found as a major mineral in eucrites and shergottites. In [...]

Dho 1275

L7 (or Meta-L) Found February 6, 2003 18° 49.71′ N., 54° 38.37′ E. A single [...]

D’Orbigny

Angrite Basaltic/Quenched Found July 1979 37° 40′ S., 61° 39′ W. This relatively fresh, 16.55 [...]

Dho 1180

Lunar Mingled Breccia (basalt-bearing fragmental regolithMixture of unconsolidated rocky fragments, soil, dust and other fine [...]

Esquel

PallasiteOne of two main classes of stony-iron meteorite, the other being mesosiderites. Pallasites are igneous [...]

Eagle Station

Pallasite, Eagle Station group (possibly CK- or CO-related) ‘The Butterfly’ Found 1880 38° 37′ N., [...]

Estherville

MesosideriteOne of two main types of stony-iron meteorite, the other being pallasites. Mesosiderites are a [...]

Dho 500

Primitive AchondriteAchondrite with an almost chondritic composition with age similar to the primordial chondrites. These [...]

Dho 125

Acapulcoite Acapulcoite–LodraniteRare type of primitive achondrite named after the Lodran meteorite that fell in Pakistan [...]

Dho 225

CM-anom or ung Possible ‘CY’ ChondriteChondrites are the most common meteorites accounting for ~84% of [...]

Dho 732

Achondrite, ungrouped Olivine-orthopyroxenite (possibly winonaite-related) Found November 15, 2002 19° 24.3′ N., 54° 34.7′ E. [...]

Dho 182

Eucrite Monomict, noncumulate (Main Group–Nuevo Laredo trend) Found February 9, 2000 18° 56′ 30′ N., [...]

Dho 778

Diogenite, anomalous OrthopyroxeniteA rock composed primarily of orthopyroxene. Non-terrestrial orthopyoxenites include diogenites and a single [...]

Dho 378

Martian Shergottite high-Al basalt ∗ (enriched, mafic, melt rock) click on photos for a magnified [...]

Dho 019

Martian Shergottite olivine-phyric ∗ (depleted, permafic, reduced) Found January 24, 2000 18° 18.97′ N., 54° [...]

Dho 081

Lunar Feldspathic BrecciaWork in Progress ... A rock that is a mechanical mixture of different [...]

Dho 908

Lunar Feldspathic Breccia (impact-melt) Found January 2003 19° 19.9′ N., 54° 47.0′ E. Nine individual [...]

DaG 868

Ureilite Monomict/Unbrecciated Olivine–pigeonite Found Spring 2000 ~28° N., ~16° E. A single 40.03 g ureilite [...]

Dho 015

CK4 Found January 21, 2000 18° 38.6′ N., 54° 25.8′ E. A single black, 184 [...]

Dho 010

H IMB (H6 in MetBull 84) Found December 5, 1999 no coordinates recorded Sixteen pieces [...]