GEODYNAMICS, MAGMATISM, AND DEGASSING OF THE EARTH
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dc.contributor.author | Azbel I.Y. | |
dc.contributor.author | Tolstikhin I.N. | |
dc.date.accessioned | 2020-10-31T07:53:50Z | |
dc.date.available | 2020-10-31T07:53:50Z | |
dc.date.issued | 1990 | |
dc.identifier | https://elibrary.ru/item.asp?id=31090352 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 1990, , 1, 139-154 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/18274 | |
dc.description.abstract | In this study terrestrial degassing processes are identified, formalized both on local and global scales, and combined in a single model of evolution of the upper mantle (which constitutes of the silicate Earth), the crust, and the atmosphere; unknown parameters of these processes are estimated by means of numerical modelling. The model envisages: early intensive convection and fractionation in the upper mantle resulting in sharp degassing of its matter; later, relatively slow convection in this reservoir, accompanied by partial melting of silicate matter in rift and subduction zones; uplift of melts into the oceanic and continental crust and their degassing; early formation and subsequent recycling of the continental crust and its degassing due to intracrustal magmatism and metamorphism; and accumulation of gases (excepting He) in the atmosphere. | |
dc.title | GEODYNAMICS, MAGMATISM, AND DEGASSING OF THE EARTH | |
dc.type | Статья |
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