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  • 1
    Electronic Resource
    Electronic Resource
    EARLY DIAGENETIC IRON SULPHIDE IN RECENT SEDIMENTS OF THE WASH (ENGLAND) (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 9 (1967), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Microscopical and chemical examination of intertidal flats of the Wash indicate that phases of iron corresponding to ferric hydroxide and iron monosulphide are involved in the early diagenetic formation of pyrite, the first being an important source of the iron. Sedimentological data are tested against analyses of total iron extractable by hydrochloric acid and concentrated nitric acid, and of the pyritic fraction of this iron; ignition data for residual organic matter are considered. The occurrence of the pyrite as isolated grains and spherules of framboidal texture is recorded, their size ranges given, and iron monosulphide recognised as the precursor of both forms. Ordering in the pyrite framboidal spherules is recorded and internal coalescence confirmed as a feature of primary growth which obscures the ordering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1967.tb01339.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Metal sulphides (1978)
    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 570-570 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] METAL SULPHIDES are not only of concern to geologists in economic, petrological and sedimentological fields but also to metallurgists in many specialisms from the extractive industries to electronics. This book aims to lead all such workers through a variety of experimental and theoretical ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/275570a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Orientation of framboidal pyrite in shale (1967)
    Springer
    Mineralium deposita 1 (1967), S. 317-321 
    Details
    ISSN: 1432-1866
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Zusammenfassung Pyrit-„Himbeeren“ aus dem devonischen Chattanooga Shale (U.S.A.) und vom Rammelsberg Banderz zeigen bevorzugte Orientierungen ihrer inneren Struktur (Figure I) gegenüber der Sedimentschichtung. Diese Beobachtungen sind in stereographischen Projektionen aufgezeichnet. Der Vorgang der Orientierung mag auf die Kristallisation der Pyrit-Netzwerke während der Diagenese zurückzuführen sein.
    Notes: Abstract Ordered framboids from Devonian Chattanooga Shale (U.S.A.) and Rammelsberg Banderz (Germany) show a common orientation in any one sample. This observation was made using a stereographic method of reconstruction in which the lineations within the framboids were measured on each of three planes cut mutually at right angles from the rock samples. The explanation for this preferred orientation is not yet known, but it may originate from crystal-growth during compaction of the shales.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00205204
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    Paper (German National Licenses)
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