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Field relationships and stable isotope geochemistry of concretions from James Ross Island, Antarctica

1 January, 1991

Early diagenetic (precompactional) concretions are abundant throughout the Cretaceous-Tertiary Marambio Group Larsen Basin, Antarctica. Four distinct concretion types are recognised: (1) spherical-subspherical concretions: (2) sheet concretions; (3) fossil-nucleated concretions; and…

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Identification of Janthinobacterium lividum from the soils of the islands of Scotia Ridge and from Antarctic peninsula

1 January, 1991

Eight isolates of bacteria from the soils of maritime Antarctica and Antarctic peninsula have been identified as members of the genus Janthinobacterium. Based on their morphology, physiological characteristics, biochemical characteristics…

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Regional aeromagnetic anomalies in Ellsworth Land: Crustal structure and Mesozoic microplate boundaries within West Antarctica

1 December, 1990

The structural relationship between West Antarctic crustal blocks has remained uncertain due to a lack of information concerning sub‐ice crustal structure. A regional aeromagnetic reconnaissance of Ellsworth Land between 72…

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Factors affecting variation in foraging and activity patterns of gentoo penguins (Pygoscelis papua) during the breeding season at Bird Island, South Georgia

1 December, 1990

(1) Radio-telemetry was used to study the activity patterns of gentoo penguins, Pygoscelis papua, at Bird Island, South Georgia, throughout the breeding season, to assess variation in foraging effort (foraging…

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