ON THE PROBLEM OF THE FORMATION AND GEOCHEMICAL ROLE OF BITUMINOUS MATTER IN PEGMATITES OF THE KHIBINY AND LOVOZERO ALKALINE MASSIFS, KOLA PENINSULA, RUSSIA
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dc.contributor.author | Chukanov N.V. | |
dc.contributor.author | Pekov I.V. | |
dc.contributor.author | Sokolov S.V. | |
dc.contributor.author | Naumova I.S. | |
dc.contributor.author | Nekrasov A.N. | |
dc.contributor.author | Ermolaeva V.N. | |
dc.date.accessioned | 2024-10-23T07:15:43Z | |
dc.date.available | 2024-10-23T07:15:43Z | |
dc.date.issued | 2006 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13508562 | |
dc.identifier.citation | Geochemistry International, 2006, 44, 7, 715-728 | |
dc.identifier.issn | 0016-7029 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/46105 | |
dc.description.abstract | Solid bituminous matter (SBM) typically occurs in the late hydrothermal assemblages of pegmatites of the Khibiny and Lovozero massifs, being confined to a microporous framework Ti-, Nb-, and Zr-silicates, which are sorbents of small molecules and efficient catalysts of the polymerization, reforming, and selective oxidation of organic matter. Bituminous matter from the pegmatites of the Lovozero Massif typically have elevated contents of aliphatic hydrocarbons, sulfur, and sodium, but are depleted in oxygen and trace elements. SBM from the pegmatites of the Khibiny Massif are depleted in sulfur and enriched in oxygen-bearing derivatives of polycyclic aromatic hydrocarbons. Being complexing agents for Th, REE, Ba, Sr, and Ca, they play a key role in the transfer and accumulation of Th and in the accumulation of alkali earth and rare earth elements during the hydrothermal stage of mineral formation. Oxidized SBM bearing rare and alkali earth elements are complex microheterogenous systems, which contain mineral (Th silicates, calcite, etc.), metalorganic (with REE, Ca, Sr, Ba), and predominantly organic phases formed by the exsolution of initial metalorganic material with decreasing temperature. © Pleiades Publishing, Inc. 2006. | |
dc.subject | solid bituminous matter | |
dc.subject | Khibiny | |
dc.subject | Lovozero | |
dc.subject | Kola peninsula | |
dc.title | ON THE PROBLEM OF THE FORMATION AND GEOCHEMICAL ROLE OF BITUMINOUS MATTER IN PEGMATITES OF THE KHIBINY AND LOVOZERO ALKALINE MASSIFS, KOLA PENINSULA, RUSSIA | |
dc.type | Статья | |
dc.identifier.doi | 10.1134/S0016702906070081 |
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