Code

Description

Unit

USG-SDC-1

Schist, CRM, Mica Schist, Washington DC, US, Powder

25 g (powder)

USG-QLO-1A

Quartz, CRM, Latite, Oregon, US, Powder

25 g (powder)

USG-GSP-2

Granodiorite, CRM, Silvr Plume, Colorado, US, Powder

50 g (powder)

USG-DTS-2B

Dunite, CRM, Washington, US, Powder

25 g (powder)

USG-DNC-1a

Dolerite, CRM, North Carolina, US, Powder

25 g (powder)

USG-COQ-1

Carbonatite, CRM, Montreal, CANADA, Powder

25 g (powder)

USG-BIR-1a

Basalt, CRM, Iceland, Powder

25 g (powder)

USG-BHVO-2

Basalt, CRM, Hawaii, US, Powder

50 g (powder)

USG-BCR-2

Basalt, CRM, Oregon, US, Informational Pb Isotopes on Certificate, Powder

50 g (powder)

USG-AGV-2

Andesite, CRM, Oregon, US, Informational Pb Isotopes on Certificate, Powder

25 g (powder)