Geology Reference
In-Depth Information
Fig. 15.29.
Strongly generalized facies distribution in the Late Triassic of the Northern Calcareous Alps.
The bedded Dachstein
limestone of the platform interior is separated from the Hallstatt Basin by a reef belt built by coralline sponges, corals and
reef detritus. Reefs were formed in shallow and slightly deeper and protected environments. Foreslope sediments in the
Gosaukamm area correspond to the forereef slope. The slope grades into the Pedata/Pötschen Beds, representing dark slope
and basinal bedded limestones with cherts and marls. Sedimentary folding structures indicate submarine sliding. Calciturbid-
ites are common and were the focus of the study described in Pl. 138. The gray and red Hallstatt Limestone is an open-marine
pelagic and hemipelagic sediment.
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of frequency spectral analyses must be applied in
searching for possible relationships between rhythmic-
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Basics: Platform margins and carbonate slopes
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