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Relatividade geral e geotérmica

Authors: Machado, Frederico;

Relatividade geral e geotérmica

Abstract

ABSTRACT: Rotation of the Sun in the Galaxy, as well as a possible oscillation perpendicular to the galactic plane, are acceptable mechanisms for producing the main tectonic phenomena, if we assume along that orbit, the existence of changes in gravitation (or in the so-called gravitational «constant»). The oscillation, with a semi-period of 11 years, seems to produce the earthquake swarms of the Azores. The effect of the Earth's movement round the Sun, superimposed on that oscillation, could also be responsible for some pulsation of the magma chambers of Azorean volcanoes.

O movimento galáctico do Sol, juntamente com uma possível oscilação perpendicular ao plano galáctico constituem mecanismos suficientes para produzir os principais fenómenos tectónicos, se admitirmos que ao longo da órbita há variantes da gravitação (ou da correspondente «constante»). A oscilação com um semiperíodo de 11 anos parece produzir as crises sísmicas dos Açores. O efeito do movimento da Terra em torno do Sol, sobreposto àquela oscilação, pode também ser responsável pela pulsação de câmaras magmáticas dos vulcões açorianos.

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Portugal
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Keywords

Geotectónica, Relatividade Geral

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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