Pennsylvanian (Namurian and Westphalian) miospore assemblages from the west coast of Scotland
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Upper Carboniferous pebbles are known from Miocene conglomerates (Szászvár Formation) in the Mecsek Mts. Some pebbles may contain floral elements. Fine-grained siltstone is the most common fossiliferous rock. There are known leaf and stem fragments and some silicified wood-trunk fragments. These floral elements show Namurian to late Westphalian ages, but primarily the Westphalian B and C. The floral elements could be related to the Polish Carboniferous flora, particularly that of Silesia.
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Abstract A synopsis is given of the most recent developments from micropalaeontological research on the coal-bearing Upper Carboniferous (Namurian C—Westphalian C) of Westphalia. The hope is expressed that a wider use of the technique of breaking down the mudstones into mud and isolating the fossils will, in conjunction with the important palaeontological results obtained in the English coal-basins, facilitate correlation between the Upper Carboniferous (Westphalian A to C) of England and Germany; also that the same technique will enable deep borings to be correlated in greater detail.
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SUMMARY The marine fauna in Serpukhovian and Bashkirian strata (Namurian and basal Westphalian) of northern England shows changes in composition and diversity, both stratigraphically and in geographical distribution across the region. The deposits of distinct marine incursions contain characteristic assemblages of fauna, although few forms, if any, are diagnostic of individual incursions. The results of the study suggest that the depositional area formed an open channel during the marine incursions in which the benthic fauna (that comprises the majority of the recorded forms) is, in general, more prolific in the east. The faunas recorded in both block and basin sedimentary rocks are similar, suggesting that the water depth during deposition was also similar. The difference between block and basin lies in the amount of sediment deposited and the subsidence rate. The Subcrenatum Marine Band shows the most varied faunas in the west.
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