999 resultados para 167-1020
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Kondolation zum Tode Friedrich Stoltzes II, Übersendung des Bildes Else Körner
Na 1 Nachlass Max Horkheimer, 519 - Korrespondenzen mit Walter Benjamin (Kopien) (p. VI 5A, 1 - 167)
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4 Briefe zwischen Walter Benjamin und Cecilia Razovsky; 6 Briefe zwischen Cecilia Razovsky und Max Horkheimer; 1 Brief von Cecilia Razovsky an den American Consul, 17.11.1939; 1 Brief von Max Horkheimer an Georges Scelle, 11.11.1939;
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"The Economic and Social Consequences of Preparedness Economics" (1937-1939):; 1. "First Draft of a Memorandum on a Research Project on The Economic Consequences of Preparedness Economics, planned by the International Instittute of Social Research" (13.12.1938). Typoskript mit handschriftlichen Ergänzungen, 2 Blatt; 2. Albert Lauterbach: "Project submitted to the Social Science Research Council: Sociological and Economic Aspects of Preparedness Economics". Typoskript, 3 Blatt; 3. Günther Reimann: "The Economics of Chemical Production". Typoskript, 4 Blatt; 4. Franz Neumann: "Bemerkungen zum Exposé Dr. Heiders 'Die Rolle der Bürokratie im totalitären Staat'" (22.2.1937). Typoskript, 1 Blatt; 5. Joseph Soudek: "Soziale und wirtschaftliche Aspekte der Wehrwirtschaft". Typoskript mit handschriftlichen Korrekturen und Ergänzungen von Friedrich Pollock (16.1.1939), 5 Blatt; 6. "Recovery and Boom Politics", Gliederungsentwurf, 3 Blatt; 7. "Interventionism and Business Cycles", Gliederungsentwurf, 7 Blatt;
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Vorbesitzer: Bernhard Waldschmidt
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Ocean Drilling Program Leg 167 represents the first time since 1978 that the North American Pacific margin was drilled to study ocean history. More than 7500 m of Quaternary to middle Miocene (14 Ma) sediments were recovered from 13 sites, representing the most complete stratigraphic sequence on the California margin. Diatoms are found in most samples in variable abundance and in a moderately well-preserved state throughout the sequence, and they are often dominated by robust, dissolution-resistant species. The Neogene North Pacific diatom zonation of Yanagisawa and Akiba (1998, doi:10.5575/geosoc.104.395) best divides the Miocene to Quaternary sequences, and updated ages of diatom biohorizons estimated based on the geomagnetic polarity time scale of Cande and Kent (1995, doi:10.1029/94JB03098) are slightly revised to adjust the differences between the other zonations. Most of the early middle Miocene through Pleistocene diatom datum levels that have been proven to be of stratigraphic utility in the North Pacific appear to be nearly isochronous within the level of resolution constrained by sample spacing. The assemblages are characterized by species typical of middle-to-high latitudes and regions of high surface-water productivity, predominantly by Coscinodiscus marginatus, Stephanopyxis species, Proboscia barboi, and Thalassiothrix longissima. Latest Miocene through Pliocene assemblages in the region of the California Current, however, are intermediate between those of subarctic and subtropical areas. As a result, neither the existing tropical nor the subarctic (high latitude) zonal schemes were applicable for this region. An interval of pronounced diatom dissolution detected throughout the Pliocene sequence apparently correspond to a relatively warmer paleoceanographic condition resulting in a slackening of the southward flow of the California Current.
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New paleomagnetic and paleontologic data from Pacific DSDP Sites 463 and 167 define the magnetic reversals that predate the Cretaceous Normal Polarity Superchron (K-N). Data from Mid-Pacific Mountain Site 463 provide the first definition of polarity chron M0 in the Pacific deep-sea sedimentary record. Foraminiferal biostratigraphy suggests that polarity chron M0 is contained entirely within the lower Aptian Hedbergella similis Zone, in agreement with foraminiferal data from the Italian Southern Alps and Atlantic Ocean. Nannofossil assemblages also suggest an early Aptian age for polarity chron M0, contrary to results from the Italian Umbrian Apennines and Southern Alps, which place polarity chron M0 on the Barremian-Aptian boundary. Biostratigraphic dating discrepancies caused by the time-transgressive, preservational, or provincial nature of paleontological species might be reconciled by the use of magnetostratigraphy, specifically polarity chron M0 which lies close to the Barremian-Aptian boundary. At Magellan Rise Site 167, five reversed polarity zones are recorded in Hauterivian to Aptian sediments. Correlation with M-anomalies is complicated by synsedimentary and postsedimentary sliding about 25 m.y. after basement formation, producing gaps in, and duplications of, the stratigraphic sequence. The magnitude and timing of such sliding must be addressed when evaluating the stratigraphy of these oceanic-rise environments.
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Fil: Alvarado, Mariana. Universidad Nacional de Cuyo
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One of the expected scientific results of Ocean Drilling Program Leg 167 was to reconstruct the Neogene history of biogenic calcium carbonate accumulation in the northeastern Pacific along the California margin (Lyle, Koizumi, Richter, et al., 1997). This aims to constrain inorganic carbon burial rates, deep-water hydrography in the North Pacific, and linkages between deep Atlantic and Pacific circulation and carbonate accumulation or dissolution patterns. Data are presented for four sites. Two of them are located in the California bight-East Cortez Basin (Site 1012: 32°16.970?N 118°23.024?W, 1773 m) and San Nicholas Basin (Site 1013: 32°48.040??, 118°53.992?W, 1564 m). The others are the dedicated Hole 1017E at Site 1017 (34°32.099?N, 121°6.430?W, 955 m) and Site 1019 in the Eel River Basin (41¢X40.972?N, 124°55.975?W, 977 m). Reconstruction of paleo-sea-surface temperatures (SST) by determining the alkenone unsaturation index of the extractable organic matter is an independent technique and helps to verify oxygen-isotope-based estimates. Results from the uppermost 600 cm of the dedicated Hole 1017E are expected to reveal the local temperature history of the last 30 k.y.