КОСМОХЛОР (NACRSI206) ИЗ ПРИБРЕЖНО-МОРСКИХ ОСАДКОВ ТЕРСКОГО ПОБЕРЕЖЬЯ БЕЛОГО МОРЯ, КОЛЬСКИЙ ПОЛУОСТРОВ
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dc.contributor.author | Зозуля Д.Р. | |
dc.contributor.author | Гавриленко Б.В. | |
dc.contributor.author | Савченко Е.Э. | |
dc.date.accessioned | 2021-12-17T07:25:33Z | |
dc.date.available | 2021-12-17T07:25:33Z | |
dc.date.issued | 2003 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=26371221 | |
dc.identifier.citation | Записки Всероссийского минералогического общества, 2003, 132, 3, 101-108 | |
dc.identifier.issn | 0869-6055 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/33524 | |
dc.description.abstract | Kosmochlor was found in these coastal sediments while sluicing for diamonds in Quaternary sediments of this region; the grains are emerald-green and as large as 0.17 x 0.15 x 0.15 mm. EPMA gave SiO2 52.31, TiO2 0.05, Al2O3 1.86, Cr2O3 25.57, FeO 1.29, MnO 0.01, MgO 2.79, CaO 4.33, Na2O 11.73, V2O5 0.10, = 100.04; this is a similar composition to that of kosmochlor in meteorites. The grains of kosmochlor contain microveinlets with Cr-diopside, similar to pyroxenes associated with diamonds in kimberlite, indicating P as high as 25 kbar, at relatively low T (800– 850°C). A possible source of the Tersky kosmochlor could be the deep-seated xenoliths from kimberlite and alkaline-ultramafic explosive pipes of Arkhangelsky and/or Kola region. | |
dc.subject | Космохлор | |
dc.title | КОСМОХЛОР (NACRSI206) ИЗ ПРИБРЕЖНО-МОРСКИХ ОСАДКОВ ТЕРСКОГО ПОБЕРЕЖЬЯ БЕЛОГО МОРЯ, КОЛЬСКИЙ ПОЛУОСТРОВ | |
dc.type | Статья | |
dc.subject.age | Кайнозой::Четвертичная |
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