. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OF THE BALTIC PROVINCES. Composite section of Cambrian-Early Silurian strata of Baltic Description of strata. Karly Silurian limestone. Formation F. F 2. Borkholm limestone. Massive. siUceous. white limestone. F 1. Lyckholm limestone (upper part). Gray to yellow argillaceous limestone with many corals, Halysites, Calapcecia, Heliolites. etc. Middle Ordovician strata. F 1. Lyckholm limestone (lower part). Magnesian limestone holding Maclurea, Subulites. and other gastropods closely related to American Trenton
. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OF THE BALTIC PROVINCES. Composite section of Cambrian-Early Silurian strata of Baltic Description of strata. Karly Silurian limestone. Formation F. F 2. Borkholm limestone. Massive. siUceous. white limestone. F 1. Lyckholm limestone (upper part). Gray to yellow argillaceous limestone with many corals, Halysites, Calapcecia, Heliolites. etc. Middle Ordovician strata. F 1. Lyckholm limestone (lower part). Magnesian limestone holding Maclurea, Subulites. and other gastropods closely related to American Trenton species. Formation E. Wesenberg limestone. Fosslliferous yellow shale and thin limestone inter- bedded. Formation D. D 3. Wassalem beds. Very fossiliterous thin bedded blue limestone and shale. D 2. Kegel beds. Shaly, fossiUferous limestone. D 1. Jewe beds. SiUceous limestone and shale holding many fossils. Formation C. C 3. Itfer limestone. Rather massive, siliceous limestone. Unusually fosslliferous bituminous shales, with thin limestone bands. C 1. Echinospherites limestone. Thin bedded limestone with many trilobites and cystids. ' Obere ; Zone of phosphatic pebbles. Formation B. B 3. Orthoceras (Vaginaten') limestone. Bather massive gray limestone crowded with ceph- alopods. ' Untere ; Zone of phosphatic pebbles. B 2. Glauconite limestone. Thin bedded, light green to reddish Umestone, sandy in the lower part. B 1. Glauconite sandstone. Unconsolidated green sand, brachiopods in upper part. Middle Ordovician Dictyonema shales, A3. , , ,j. Dark brown to reddish bituminous clays holding graptolites,particularlyi)!cij/OHe))ia^a6e;i!/brai!s. Upper Cambrian, Ungulite sandstone, A 2. Unconsolidated, yellow sandstone. Upper layers crowded with OboVtis apollinis. Lower Cambrian, blue clay and associated strata, A 1. Unfosslliferous sandstone correlated with the Fu- cold sandstone of Sweden. Sandstone and clays holding Mesotiacis micTcwitzL Plasti
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
