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CLAY ANALYSIS by XRD
     
Analysis of the “clay-size” (<2 micron) fraction of geologic samples is also available. The bulk sample is analyzed as described on the previous page. The clay-size fraction is concentrated by a column settling procedure based on Stokes’ Law. Oriented mounts of this fraction are analyzed, glycolated and then re-analyzed. Mounted samples may be heat-treated and analyzed to aid in the identification of clay minerals.

The analytical report includes a description of the analytical procedure and semi-quantitative
estimates of the concentrations of all crystalline phases indentified. The weight percent material concentrated by the settling procedure is also included in the report.
     
Raw x-ray diffraction data can be provided in digital form on disk or as a graph on letter-size paper. All reports are mailed. Reports can be emailed at no extra charge.
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THE MINERAL LAB, Inc.          303.232.8708          tmlco@theminerallab.com
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