Preliminary report on the geochemistry and mineralogy of the Nod Glas and related sediments (Ordovician) of Wales

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Authors:Temple, J. T.; Cave, R.
Author Affiliations:Primary:
Birkbeck College, London, United Kingdom
Other:
British Geological Survey, United Kingdom
University College of Wales, United Kingdom
Volume Title:Special issue on the Palaeozoic Welsh Basin
Volume Authors:Woodcock, N. H., editor; Fletcher, C. J. N.
Source:Geological Magazine, 129(5), p.589-594; Review meeting on the Welsh Basin, Aberystwyth, United Kingdom, Nov. 15-18, 1991, edited by N. H. Woodcock and C. J. N. Fletcher. Publisher: Cambridge University Press, London, United Kingdom. ISSN: 0016-7568
Publication Date:1992
Note:In English. 28 refs.; illus., incl. 2 tables, sketch map
Summary:Mean values of K2O, organic C, S, Cu, Zr and Ba are higher in the Nod Glas sediments than in adjacent strata, while Fe2O3, MnO, MgO, CaO and P2O5 are lower. Analogy with the composition of modern sedimentsreinforces the interpretation of the Nod Glas sediments as being deposited under dysaerobic to anaerobic bottom conditions. [C.H.D.]
Subjects:Biostratigraphy; Caradocian; Chemical composition; Clastic rocks; Geochemistry; Graptolithina; Lithogeochemistry; Mineral composition; Mudstone; Ordovician; Paleozoic; Sedimentary rocks; Upper Ordovician; Europe; Great Britain; United Kingdom; Wales; Welsh Basin; Western Europe; Invertebrata; Nod Glas
Coordinates:N513000 N533000 W0024000 W0051000
Abstract Numbers:93M/3104
Record ID:1996005473
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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