Phytoclasts as provenance indicators in the Belgian septaria clay of Boom (Rupelian age)

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ABSTRACT

Phytoclasts and coal particles, present in small quantities in a clay sediment, can be used as source rock indicators. The measurement of their reflectivities revealed characteristic low values typical for British Carboniferous coals, outcropping in Northern England, which may be a source area of the sediment. This technique may be a valuable complementary method to traditional mineralogical provenance studies.

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