Scheelite of the Kekura Gold Deposit, Western Chukchi Peninsula: Trace Elements and Fluid Inclusionsстатья
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Статья опубликована в журнале из перечня ВАК
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 сентября 2021 г.
Аннотация:Scheelite from the Kekura gold deposit in the Western Chukchi Peninsula is reported for the first time. Three generations of the mineral have been identified. According to the LA-ICP-MS data, the Mo content in scheelite does not exceed 0.02 ppm and total REE ranges from 20 to 150 ppm. The REE distribution patterns of all three scheelite generation have a string positive Eu anomaly (Eu/Eu* 4,4–55,6), which is typical of scheelite from intrusion-related and orogenic gold deposits. The high Sr concentration (1300-12000 ppm) is characteristic of the hypabyssal intrusion-retaled Au deposits. According to the fluid inclusion study, the minimal crystallization temperature of scheelite and associated quartz is data, 200–250°С.