995 resultados para Petersen, Johann Wilhelm, 1649-1727.
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[Johann Wilhelm Joseph Braun]
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We studied sediment cores from Lake Vens (2,327 m asl), in the Tinée Valley of the SW Alps, to test the paleoseismic archive potential of the lake sediments in this particularly earthquake-sensitive area. The historical earthquake catalogue shows that moderate to strong earthquakes, with intensities of IX–X, have impacted the Southern Alps during the last millennium. Sedimentological (X-ray images, grain size distribution) and geochemical (major elements and organic matter) analyses show that Lake Vens sediments consist of a terrigenous, silty material (minerals and organic matter) sourced from the watershed and diatom frustules. A combination of X-ray images, grain-size distribution, major elements and magnetic properties shows the presence of six homogenite-type deposits interbedded in the sedimentary background. These sedimentological features are ascribed to sediment reworking and grain sorting caused by earthquake-generated seiches. The presence of microfaults that cross-cut the sediment supports the hypothesis of seismic deposits in this system. A preliminary sediment chronology is provided by 210Pb measurement and AMS 14C ages. According to the chronology, the most recent homogenite events are attributable to damaging historic earthquakes in AD 1887 (Ligure) and 1564 (Roquebillière). Hence, the Lake Vens sediment recorded large-magnitude earthquakes in the region and permits a preliminary estimate of recurrence time for such events of ~400 years.
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Vorlage d. Digitalisats aus dem Besitz der Theol. Hochschule St. Georgen Frankfurt am Main; Sammelband: Biblische Zeit- und Streitfragen, R. 6, Bd. 7-12 zusammengebunden; Im Freimann-Kat. nur Bd 9., 10/11 und 12 aufgeführt
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di Telemann
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von J. W. L. Luce
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par W. A. Haueisen
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del S. Telemann. [Textverf.: Gottfried Simonis]
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[Johann Wilhelm Christern]
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del Sige. Telemann. [Textverf.: Gottfried Simonis]
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gehalten von Johann Wilhelm Fischer, Königlichem Consistorial-Rath und Pastor der genannten Kirche
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Contiene: Indice a dos col., p. Y-Z4, 2A2
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Mode of access: Internet.
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Vol. 3 has added t.-p.: Beiträge zur geschichte, statistik und zoologie von Mexico ...
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Includes bibliographical references and index.
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Cover title.