New monoaromatic steroids in organic matter of the apocatagenesis zone

V. A. Kashirtsev, A. N. Fomin, N. P. Shevchenko, K. V. Dolzhenko

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

4 Цитирования (Scopus)

Аннотация

According to the materials of geochemical study in the core of the ultradeep hole SV-27 of aromatic fractions of bitumoids of the Vilyui syneclise (East Siberia) by the method of chromatography–mass spectrometry, starting from the depth of >5000 m, four diastereomers of previously unknown hydrocarbons, which become predominant in the fraction at a depth of ∼6500 m, were distinguished. Similar hydrocarbons were found in organic matter of Upper Paleozoic rocks of the Kharaulakh anticlinorium in the Verkhoyansk folded area. According to the intense molecular ion m/z 366 and the character of the basic fragmental ions (m/z 238, 309, and 323), the major structure of the compounds studied was determined as 17-desmethyl-23-methylmonoaromatic steroid C27. The absence of such steroids in oil of the Vilyui syneclise shows that deep micro-oils did not participate in the formation of oil fringes of gas condensate deposits of the region.

Язык оригиналаанглийский
Страницы (с-по)815-818
Число страниц4
ЖурналDoklady Earth Sciences
Том469
Номер выпуска2
DOI
СостояниеОпубликовано - 1 авг 2016
Опубликовано для внешнего пользованияДа

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