SAMPLE PREFIX	ROCK TYPES	LOCALITIES	DESCRIPTION
Bx, B85, B90, DCx, TL85, S85, Vx, PS90, B04, B06, B07	Pyroxenite, chromitite, norite, anorthosite, gabbro, leuconorite, harzburgite, magnetite, peridotite, dunite, granophyre, troctolite	Atok Mine, Benfontein Sill, Brakspruit Shaft, Bultfontein, Driekop, Dutoitspan, Jagersfontein, Merensky Reef, Rustenberg, Vlakfontein, Townlands Shaft, Transvall	Samples from various layers of the Bushveld intrusion including UG-1 and UG-2 chromite layers
4U9E7, 5-24, MP24D2, B93	Drill core (various)	Merensky Reef	1" core across the Merensky Reef at the Atok section of the Bushveld

SAMPLE PREFIX	ROCK TYPES	LOCALITIES	DESCRIPTION
Wx, GD90, Px, Qx, Tx, Vx	Augitite, bronzitite, gabbro, norite, pegmatoid, pyroxenite	Wedza complex, Mimosa mine	Various rocks from the Great Dike, Zimbabwe
HD006, HD0023, HD0057, W98	Drill core (various)	Wedza complex	1" core through the Great Dike

SAMPLE PREFIX	ROCK TYPES	LOCALITIES	DESCRIPTION
F-89	Basalt, dunite, gabbro, lherzolite, pyroxenite, schist	Koitelainen	33 samples from the Koitelainen Intrusion and Keivitsa-Satovaara Complex, collected by Ed Mathez in 1989

SAMPLE PREFIX	ROCK TYPES	LOCALITIES	DESCRIPTION
CZA, STx	Anorthosite, dunite, harzburgite, gabbro, granophyre, norite, troctolite	Mouat Mine, Picket Pin, various others	Mafic cumulates from Stillwater Complex, MO

SAMPLE PREFIX	ROCK TYPES	LOCALITIES	DESCRIPTION
CZA	Basalt, dolerite, gabbro, meymechite, sulfide ores, tuff	Oktyabrsky Mine, Taymyrsky Mine, Komsomolsky Mine, Glubosky Mine, Medvezhy Creek, Tunuska Sineclise, Kureyka Area, Severnaya River Basin, others	Various samples, core pieces, powders and thin sections from the intrusive and extrusive suites of the Norl'sk Intrusion, donated by Gerald Czamanske and Valeri Fedorenko in 1996.