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  • 1
    Electronic Resource
    Electronic Resource
    Reversed magnetic polarity at an early Lower Palaeolithic site in Central Italy             (1982)
    [s.l.] : Nature Publishing Group
    Nature 300 (1982), S. 173-176 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Isernia La Pineta. Portion of archaeological horizon, sector I. The archaeological levels are contained in fluvial and fluviolacustrine sediments pertaining to the principal fill of the Isernia Basin (Fig. 3)3. A lacustrine facies, evident at the base of this unit, ends in the north-east of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/300173a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Carbon and oxygen isotopic composition of carbonates in lavas and ejectites from the Alban Hills, Italy (1969)
    Springer
    Contributions to mineralogy and petrology 23 (1969), S. 244-256 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Carbon and oxygen isotopic analyses have been carried out on carbonates from lavas, ejectites and sedimentary formations in the region of the Alban Hills. The calcite occurring in the lavas, both in veins and cavities and dispersed in the groundmass shows within each flow a fairly uniform isotopic composition not different from that normally observed in sedimentary carbonates, except in the case of one particular flow, where unusually low δ 13C values were recorded. The latter are discussed in terms of a possible contribution of organic carbon or of isotopically light carbonates, the presence of which in the Alban Hills area had been previously recorded. The ejectites examined comprise both limestone and dolostone blocks of various degree of metamorphism and materials of uncertain origin, some of which containing carbon and oxygen of isotopic composition wholly different from that of all carbonates analysed in this work, approaching the range observed in some carbonatites. The isotopic data and the geochemical features of the latter materials are discussed in terms of thermal metamorphism of limestones and of a possible syntexis of evaporite materials. The δ 18O and δ 13C values of certain marine limestones from major Mesozoic sedimentary formations in the region are also reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00371535
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    Paper (German National Licenses)
    Fulltext
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