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Behaviour of garnets in diagenesis of cenozoic sedimentary rocks: examples from Poland

Zawidzka K.

Archiwum Mineralogiczne

2001

T. 54

99-112

The opposite trend between the contents of garnets and quantity of sulphides and organic matter was stated within Quaternary proglacial deposits in the Łomża region and Kurpie plain of NE Poland, as well as in certain Tertiary sediments. Diagenesis of the discussed deposits yielded new mineral assemblages, which changed chemical and physical characteristics of primary sediments. Such transformations, if not recognized properly, may lead to erroneous conclusions on the type of facies, in stratigraphy based on mineral assemblages, paleomagnetic considerations and paleogeographic interpretations.