Skip to main content
U.S. flag

An official website of the United States government

BIR-1 and BIR-1a Geochemical Reference Material Information Sheet

By Geology, Geophysics, and Geochemistry Science Center
USGS-BIR-1-and-BIR-1a-IS_2022-508.pdf (508.99 KB)

Detailed Description

USGS Geochemical Reference Material Information Sheet for BIR-1 and BIR-1a (Icelandic Basalt), updated June 2022.

Sources/Usage

Public Domain.