期刊
GEOSTANDARDS NEWSLETTER-THE JOURNAL OF GEOSTANDARDS AND GEOANALYSIS
卷 25, 期 2-3, 页码 441-463出版社
GEOSTANDARDS
DOI: 10.1111/j.1751-908X.2001.tb00616.x
关键词
light elements; tourmaline; danburite; spodumene; muscovite; isotopes
The quantitative determination of light element concentrations in geological specimens represents a major analytical challenge as the electron probe is generally not suited to this tasks With the development of new in situ analytical techniques, and in particular the increasing use of secondary ion mass spectrometry, the routine determination of Li, Be and B contents has become a realistic goal. However, a major obstacle to the development of this research field is the critical dependence of SIMS on the availability of well characterized, homogeneous reference materials that are closely matched in matrix (composition and structure) to the sample being studied. Here we report the first results from a suite of large, gem crystals which cover a broad spectrum of minerals in which light elements are major constituents. We have characterized these materials using both in situ and wet chemical techniques. The samples described here are intended for distribution to geochemical laboratories active in the study of light elements. Further work is needed before reference values for these materials can be finalized, but the availability of this suite of materials represents a major step toward the routine analysis of the light element contents of geological specimens.
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