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Turkish Journal of Earth Sciences

DOI

10.3906/yer-1208-1

Abstract

The basal part of the Hüdai Formation (Early Cambrian) in the Aydıncık (Mersin) area comprises red sandstone beds at different stratigraphic levels, showing ripple cross-lamination. These beds were deposited in the middle to lower part of an intertidal flat environment. Bedding-parallel reddening and its cyclic character suggest syn-sedimentary or early diagenetic red colouration in a marine environment. Both X-ray diffraction and petrographic analyses indicate that the red sandstones are composed of predominantly K-feldspar and quartz grains and an illite matrix. These are dominantly arkosic wacke. A small amount of hematite (

Keywords

Arkosic wacke, colour origin, early diagenesis, biomineralisation, Early Cambrian, Hüdai Formation, intertidal red bed

First Page

563

Last Page

573

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