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Turkish Journal of Earth Sciences

DOI

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Abstract

A non-metamorphosed sedimentary sequence of Late Palaeocene-Eocene age exposed to the south of Dereköy Village (east of Denizli) was formerly interpreted as the uppermost part of the Menderes Massif. However, detailed field data indicates that the Dereköy succession rests unconformably on the Lycian ophiolitic mélange and thus cannot be accepted as a part of the Menderes sequence. The Dereköy succession consists of shelf to sub-marine sedimentary deposits that begin with a transgressive basal conglomerate, followed by limestone and then grading upward into clastic turbidites. The clastic beds have intra-basinal and extra-basinal fragments derived from carbonate lenses and the Lycian thrust sheets, respectively. The basal conglomerate rests unconformably on Upper Cretaceous cherty limestone which has a block contact with the underlying Lycian mélange. Several carbonate blocks of both intra-basinal and extra-basinal origin are embedded in the clastic part of the sequence. Detailed analysis of the sedimentary facies reveals that the sequence is represented by eight sedimentary facies. These facies can be organized into four facies associations: shelf, slope, inner fan and outer fan. The sequence was thrust over by the Lycian ophiolite during Late Eocene time and is unconformably overlain by Upper Oligocene-Lower Miocene piggy-back basin sediments.

Keywords

stratigraphy, facies analysis, Palaeocene-Eocene, supra-allochthonous basin

First Page

87

Last Page

112

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