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    1276

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    Les registres de Gregoire X (1271-1276) Recueil des bulles de ce pape publiées ou analysées d'après les manuscrits originaux des archives du Vatican,

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    "Le registre de Jean XXI (1276-1277); recueil des bulles de ce pape, publiées ou analysées d'après le manuscrit original des archives du Vatican, par E. Cadier": 55 p. inserted between p. 286-[287]In double columns.Cover title.Mode of access: Internet

    Chemical and isotopic compositions of volcanics from ODP Hole 210-1276

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    Site 1276, Leg 210 of the Ocean Drilling Program, was located on the Newfoundland margin in a seismically-defined ~128 Ma "transitional" crust just west of the presumed oceanic crust, and the M3 magnetic anomaly. The goal of drilling on this non-volcanic margin was to study the rifting, nature of basement, and post-rift sedimentation in the Newfoundland-Iberia rift. Drilling of this 1739 m hole was terminated 90-160 m above basement, in the lower of a doublet of alkaline diabase sills. We have carried out geochemical studies of the sill complex, in the hopes that they will provide proxy information regarding the nature of the underlying basement. Excellent 40Ar/39Ar plateau ages were obtained for the two sills: upper sill ~105.3 Ma; lower sill ~97.8 Ma. Thus the sills are substantially younger than the presumed age of the seafloor at site 1276 (~128 Ma), and were intruded beneath substantial sediment overburden (250 m for the upper, older sill, and 575 m for the lower younger sill). While some of the geochemistry of the sills has been compromised by alteration, the "immobile" trace elements show these sills to be hawaiites, differentiated from an enriched alkaline or basanitic parentage. Sr, Nd and Pb isotopes are suggestive of an enriched hotspot/plume mantle source, with a possible "added" component of continental material. These sills unequivocally were not derived from typical MORB (asthenospheric) upper mantle

    Greek Author

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    Greek Author. Naples Nat\u27l. Arch. Mus. XII.13.6https://digitalcommons.acu.edu/ferguson_photos/1276/thumbnail.jp

    Santa Fe (ATSF) 1276

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    A photograph postcard showing the Santa Fe (ATSF) 1276, 4-6-2, on a passenger train

    Santa Fe (ATSF) 1276

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    A photograph print showing Santa Fe (ATSF) 1276, 4-6-2 (BLW), class 1226, on passenger train. [see also 2008.008.0021-2

    RAAPRAPPORT 1276

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    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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