Karbon na obrzeżu wyniesienia Sławatycz

Antoni Marian Żelichowski

Abstract


CARBONIFEROUS DEPOSITS IN THE MARGINAL ZONE OF THE SŁAWATYCZE ELEVATION

Summary

The article deals with the Carboniferous deposits found in the peripheral parts of the Lublin basin, within the area of the Sławatycze  elevation. Carboniferous series pierced by bore holes Holeszów and Kaplonosy (Fig. 1) are discussed. At Kaplonosy Upper Visean deposits are found to occur at a depth of 445.8–402.6 m, and Namurian deposits – at a depth of 421.0–402.8 m. The Upper Visean deposits are evidenced by brachiopod fauna with the genus GigantoproductusG. latissimus and G. giganteus (Plates I-II). The distribution of the determined fauna is given in Tab. 1. The presence of Namurian deposits has been evidenced by microspore Microsporites karczewskii (Z e r n d t) D i j k s t r a, determined by T. Marcinkiewicz.
The Upper Visean deposits are developed as marls and organodetrital limestones showing intercalations of siltstones and clays tones with stigmariae (Fig. 2). The Namurian is represented by continental deposits – sandstones and siltstones with stigmariae.
At Holeszów, the thickness of the Carboniferous deposits amounts to merely 9 m. At the base, they consist of siltstones with stigmariae, higher up – of organodetrital limestones. On the basis of the foraminifer fauna encountered in thin slides, these are referred to Upper Visean.
The Upper Visean deposits are thought to belong to marginal facies. At Kaplonosy, a tufaceous series, 6 m in thickness, has been found to occur at the base of the Visean deposits. According to the present author, its origin can be related to volcanic activity, connected with block dislocation of the Sławatycze elevation during the Bretonian phase.
Since in the area here considered the Carboniferous deposits rest transgressively on various members, from Sinian to Silurian, a conclusion may be drawn that the main dislocation phase took place prior to the deposition of the Carboniferous formations.

 


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