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Sulfide Mineralization Related to the Chiney Plutonстатья
Информация о цитировании статьи получена из
Scopus
Дата последнего поиска статьи во внешних источниках: 13 мая 2020 г.
- Авторы: Bronislav Gongalsky, Nadezhda Krivolutskaya
- Сборник: World-Class Mineral Deposits of Northeastern Transbaikalia, Siberia, Russia
- Серия: Modern Approaches in Solid Earth Sciences
- Том: 17
- Глава в коллективной монографии
- Год издания: 2019
- Место издания: Springer Nature Switzerland AG
- Первая страница: 203
- Последняя страница: 242
- DOI: 10.1007/978-3-030-03559-4_8
- Аннотация: There are five main sulfide deposits related to the Chiney pluton: Kontaktovyi, Skvoznoe, Pravoingamakitskoe, Verkhne-Chineyskoe, and Rudnoe. The high Cu/Ni ratio (Cu:Ni:Co = 76:7:1) is a distinguishing feature of the sulfide mineralization. The highest PGE tenor (up to 355 ppm PGE, Pd/Pt ~3–4) typically occurs in the massive ore. In contrast, the average grades of Pd and Pt in the disseminated sulfide are ~2 and ~0.5 ppm, respectively. The Rudnoe and Kontaktovyi deposits have the most important potential economic value. The Rudnoe is localized in gabbro rocks of the endocontact zone in the eastern offset of the Chiney pluton and in the exocontact zone with sedimentary rocks of the Udokan Supergroup. The disseminated sulfide in the endocontact is frequently related to magmatic breccia. Chalcopyrite dominates among sulfides, whereas pentlandite is a subordinate and even a rare mineral. Pyrrhotite and pyrite are also major sulfides, especially in the Kontaktovyi deposit. The other sulfide minerals are sphalerite, siegenite, galena, violarite, millerite, cobaltite, gersdorffite, safflorite, loellingite, argentopentlandite, michenerite, merenskyite, sperrylite, and other platinum group minerals.
- Добавил в систему: Гонгальский Бронислав Иосифович