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Browsing ELibrary by Title
Now showing items 3115-3134 of 21934
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(2001)Atmospheric dust is an important feedback in the climate system, potentially affecting the radiative balance and chemical composition of the atmosphere and providing nutrients to terrestrial and marine ecosystems. Yet the ...
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(2002)Examines the phenomenon of dissolution in the formation of the crystal faces of the minerals. Evidence of the etching of the crystal; Problems with the phenomenon; Examples of interrupted growth in tourmaline indicating ...
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(1989)Quantization of structure and abrupt discontinuity of natural processes typical in nature. This property has long been known and has been formulated as law of dialectical materialism, which states that quantitative ...
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(2002)Presents an abstract of the article 'Discovering New Minerals in the Comfort of Your Home,' by J.A. Mandarino presented at the 28th Rochester Mineralogical Symposium.
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DISCOVERY OF A CHAMPSODONTID (PISCES, TELEOSTEI, PERCIFORMES) IN THE EOCENE OF THE NORTHERN CAUCASUS (2004)Eochampsodon elongatus gen. et sp. nov. is described from the Middle Eocene (Bartonian, Kuma Regional Stage) of the northern Caucasus (Gornyi Luch locality). This is the second genus of the previously monotypic family ...
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(1988)The authors analyze time series recorded at stations located in Eurasia and North America and produced by explosions in Nevada (N) and Kazakhstan (K). The series were recorded at epicentral distances Δ ranging from 1° to ...
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(2001)A new primitive sauropterygian from the Donskaya Luka locality (Don River, European Russia) is described as a new genus and species of the family Cymatosauridae, Tanaisosaurus kalandadzei gen. et sp. nov. This is the first ...
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(1999)We report here the first discovery of impact diamonds on the Fennoscandian shield, in the deeply eroded Lappajarvi impact structure, Finland. The tabular morphology and microstructural twin bands provide evidence for the ...
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(2004)The Altay mafic granulite (AMG). representing metamorphic product of granulite-facies in the lower crust, was first found in the Fuyun Wuqiagou, Altay progenic bell through detailed field survey and mineral-chemical study. ...
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(1989)One of the tasks of the 21st cruise of the RV Yevpatoriya in the Black Sea in 1988 was to search for accumulations of gas hydrates supplied by an underwater mud volcano, and inferred to exist there by analogy with those ...
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(2003)Many studies have shown that discrete (blind) faults at depth are commonly linked to more distributed deformation, in particular folding, at higher levels. One category of fault-related folds, forced folds, is common where ...
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(2003)Tomographic inversions of geophysical data generally include an underdetermined component. To compensate for this shortcoming, assumptions or a priori knowledge need to be incorporated in the inversion process. A possible ...
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(2004)A semi-analytical, semi-numerical method of seismogram synthesis is presented for piecewise heterogeneous media resulting from an arbitrary source. The method incorporates the discrete wavenumber Green's function representation ...
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(2004)The statistical method of linear discriminant analysis has been applied to distinguish Pliocene to Recent basic rocks on the basis of their major-element composition. Studied basic rock suites are from four tectonic settings: ...
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(1997)High-frequency regional records from small earthquakes (magnitude <4.5) and comparable magnitude chemical explosions are analyzed to find a reliable seismic discriminant in southern Russia near Kislovodsk. The digital, ...
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DISCUSSION OF RECENT PAPERS ON CARBONATED PERIDOTITE, BEARING ON MANTLE METASOMATISM AND MAGMATISM (1987)The solidus temperature for peridotite-CO2 drops sharply within a narrow temperature interval, with increasing pressure, to an invariant point where dolomite becomes stable at the solidus. This geometry presents a barrier ...
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(1989)The attainment of equilibrium between basalt and residual peridotite depends on the relative magnitudes of melt segregation rate and solid residue re-equilibration rate. Garnets and pyroxenes (and perhaps spinels) require ...
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(2003)Melt migration and segregation, and the rheology of partially molten rocks in the upper mantle and lower crust, strongly depend on the grain-scale distribution of the melt. Current theory for monomineralic aggregates ...
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(2001)A series of experiments were designed to investigate the textural and compositional changes that take place during disequilibrium partial melting of chondritic material. Chips of the L6 chondrite, Leedey, were heated at ...
Now showing items 3115-3134 of 21934