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Now showing items 12357-12376 of 39126
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(Buchdruckerei der Kaiserlichen Academie der Wissenschaften, 1900)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
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(2003)Voluminous, unzoned, phenocryst-rich pyroclastic deposits, considered as erupted batholiths, provide a unique opportunity to investigate magmatic processes in silicic magmas. The Fish Canyon Tuff, a well-documented example ...
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(2001)This paper is concerned with the question of how to relate laboratory measurements of the rheology of rocks to the rheological assumptions that need to be made in geodynamic modelling. First, there is a brief resume of the ...
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(1999)In a thermodynamic description of a mineral solid solution, it is customary to select a minimal group of end-members that constitutes an independent set, and yet in practical calculations it commonly occurs that a different ...
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(2004)We present evidence that the Hurst exponent of the ultra low frequency component of the geomagnetic field varies similarly to the energy release of the local swarm of earthquakes observed in Japan in 2000. Similarity is ...
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(1998)Evidence from the Late Mesozoic Okhotsk-Chukchi Volcanogenic Belt confirmed the view of V.V. Averiev that 'the hot aqueous fluid should be regarded as the main agent in a special form of volcanism wherein explosive phenomena, ...
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(1996)On the basis of seismic data analysis and the Debye model of solid bodies it is proved for the first time that fundamental connections exist between the source volume, elastic waves distribution velocity, boundary vibrational ...
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(2001)The objectives of this common research project are to evaluate deformation field variations observed with different means in different geodynamical areas of high and low seismic hazards. By the combined analysis of differenet ...
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(2000)A new relation is proposed to connect energy class KF68 and magnitude MS for Kamchatka, incorporating the corner point at KF68 12.5 in the recurrence relation for Kamchatka based on energy class KF68. The relation consists ...
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(1997)The composition of mollusks from the hole near the town of Anan'ev (Ukraine) has been analyzed. The green sand and clay beds, which in Moldavia and Western Ukraine (Podolia) are referred to as the Podolian Formation, do ...
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(2004)Relations between reflection and transmission responses of horizontally layered media were formulated by Claerbout in 1968 and by many others. In this paper we derive similar relations for 3-D inhomogeneous media. As the ...
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(2003)The petrological properties, and O and Al-Mg isotopic compositions of two spinel-bearing chondrules from the Allende CV chondrite were investigated using scanning electron microscopy and secondary ion mass spectrometry. A ...
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(2004)A large number of seismic records are discovered for the first time in the historical materials about Wudalianchi volcanic group eruption in 1720–1721, which provides us with abundant volcanic earthquake information. Based ...
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(2002)The hypothesis that the parent stratigraphy of a coal seam, i.e. its lithotype and band distribution, can be used to estimate the input and output size distributions of broken coal for a fragmentation event(s) was tested ...
Now showing items 12357-12376 of 39126