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A semiquantitative X-ray diffraction method to determine mineral composition in stream sediments with similar mineralogy

Environmental Technology Letters

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Abstract

A semiquantitative X-ray diffraction procedure has been developed that can be used to acquire reproducible mineralogic data from geographically unrelated stream-sediment samples having similar mineralogy. Weight percentages for quartz, total-feldspar, and total-clay can be determined by direct comparison of intensities with standard-mineral mixtures of known weight percent. Matrix effects and mass-absorption differences are circumvented by taking the ratio of peak-intensity, in counts per second, for quartz relative to that of other minerals being quantified. Mineral percentages generally are reproducible to within 10 percent.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A semiquantitative X-ray diffraction method to determine mineral composition in stream sediments with similar mineralogy
Series title:
Environmental Technology Letters
Volume
10
Issue:
9
Year Published:
1989
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
833
Last page:
844
Number of Pages:
12