HIGH-TEMPERATURE DENSITIES OF SOME MANTLE MELTS
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dc.contributor.author | Courtial P. | |
dc.contributor.author | Ohtani E. | |
dc.contributor.author | Dingwell D.B. | |
dc.date.accessioned | 2020-12-14T06:56:39Z | |
dc.date.available | 2020-12-14T06:56:39Z | |
dc.date.issued | 1997 | |
dc.identifier | https://elibrary.ru/item.asp?id=31747363 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 1997, , 15, 3111-3119 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/20681 | |
dc.description.abstract | One-atmosphere density measurements at very high temperatures have been performed on four mantle melts in the FeO-Fe2O3-CaO-MgO-Al2O3-SiO2 system (FeO-rich peridotite, PHN 1611, komatiite, and fayalite), using the Ir-based double-bob Archimedean method in air. The one-atmosphere density of the investigated materials ranges from 2.6 to 3.6 g/cm3 from their respective melting points up to 2123 K. Combined with earlier high-pressure static experiments on the same compositions, the present one-atmosphere densities provide robust constraints on the isothermal compression curves of such Fe-bearing silicate melts and yield new values of the isothermal bulk modulus (KT) and its pressure derivative (K′T) through application of the third order Birch-Mumaghan equation of state. The present KT and K′T values are significantly different from those previously reported using the high-pressure dataset together with calculated one-atmosphere densities using existing schemes. Comparisons with KT - K′T systematics from the literature are also made. | |
dc.title | HIGH-TEMPERATURE DENSITIES OF SOME MANTLE MELTS | |
dc.type | Статья |
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