The Silurian Rocks of Britain
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چکیده
منابع مشابه
Eoarthropleura ( Arthropoda , Arthropleurida ) from the Silurian of Britain and the Devonian of North America
Eoarthropleura, previously known only from the Lower Devonian of Germany, is reported here from the Upper Silurian (PHdoli) of Shropshire, England, the Upper Devonian (Frasnian) of New York State, USA, and the Lower Devonian (Emsian) of New Brunswick, Canada. The Shropshire form (E. ludfordensis n. sp.) is the earliest representative of the Arthropleurida. The New York species, originally ascri...
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Palaeomagnetic data are presented from early Silurian (Upper Llandovery) lavas from the Tortworth Silurian inlier of south-west England. Two magnetization components are recognized on the basis of contrasting demagnetization characteristics. A lower unblocking-temperature component (<350 "C) is oriented parallel to the Earth's present magnetic field at the sampling site (N = 46, declination = 3...
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The geological sciences demand close international cooperation as wel as a rigorous and clearly understood language of words. Nowhere is this more keenly felt than in stratigraphy where, despite the luxury of long philosophical discussions on rocks versus time, many feel a sense of urgency about attempts to achieve a standard global chronostratigraphy. The now wel-known pioneer work of the inte...
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Xylokorys chledophilia, a new arthropod with three-dimensionally preserved soft tissues, is described from the Herefordshire (Silurian) Lagerstätte of England. The head and trunk are covered by a relatively featureless ovoid carapace, which comprises a domed central part and a flange-like border. The head bears five pairs of appendages. The first is uniramous, with dorsal and ventral projection...
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ژورنال
عنوان ژورنال: Nature
سال: 1899
ISSN: 0028-0836,1476-4687
DOI: 10.1038/061025a0