Figure F5. Typical Paleogene X-ray pattern (Sample 302-M0004A-11X-2, 14 cm) with high amounts (~40%) of X-ray amorphous opal (see bulb below green background line between 20° and 30°2θ). Plots, mineral identification, and semiquantitative estimation of mineral content done with the Philips/Panalytical HighScore software.
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