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190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka. / Vlasov, E. A.; Ivanova, E. S.; Mochalov, A. G.; Yakubovich, O.V.

In: Doklady Earth Sciences, Vol. 507, No. 1, 01.11.2022, p. 881-886.

Research output: Contribution to journal › Article › peer-review

Harvard

Vlasov, EA, Ivanova, ES, Mochalov, AG & Yakubovich, OV 2022, '190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka', Doklady Earth Sciences, vol. 507, no. 1, pp. 881-886. https://doi.org/10.1134/S1028334X22700350

APA

Vlasov, E. A., Ivanova, E. S., Mochalov, A. G., & Yakubovich, O. V. (2022). 190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka. Doklady Earth Sciences, 507(1), 881-886. https://doi.org/10.1134/S1028334X22700350

Vancouver

Vlasov EA, Ivanova ES, Mochalov AG, Yakubovich OV. 190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka. Doklady Earth Sciences. 2022 Nov 1;507(1):881-886. https://doi.org/10.1134/S1028334X22700350

Author

Vlasov, E. A. ; Ivanova, E. S. ; Mochalov, A. G. ; Yakubovich, O.V. / 190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka. In: Doklady Earth Sciences. 2022 ; Vol. 507, No. 1. pp. 881-886.

BibTeX

@article{4996ce4247474b8581bb2a7741649672,
title = "190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka",
abstract = "Abstract: The results of 190Pt–4He dating of placer-forming minerals of platinum (PMP) from the Baimka gold placer cluster (Western Chukotka, Russia) are reported. PMPs are represented by isoferroplatinum with a composition of Pt3 + xFe1 – x and Pt3Fe. The concentrations of 190Pt and 4He in 14 PMP samples were obtained. The results of 190Pt–4He dating showed the existence of two age clusters of PMP (148 ± 6 and 188 ± 4 Ma) for the first time. The primary sources of PMP, which are similar in their genetic type, but have different ages, are assumed: (1) later, 148 ± 6 Ma of the Baimka Complex (J3b) and (2) earlier, 188 ± 4 Ma. PMPs enter alluvial gold placers mainly from the intermediate PGM reservoir, which is composed of rocks of the Volgian stage J3v2–3 (Tithonian). Thus, sedimentary rocks or explosive breccia of andesite–basalt of the Volgian stage could be the PMP source reservoir.",
keywords = "190Pt–4He dating, Baimka gold placer cluster, Western Chukotka, platinum group minerals",
author = "Vlasov, {E. A.} and Ivanova, {E. S.} and Mochalov, {A. G.} and O.V. Yakubovich",
year = "2022",
month = nov,
day = "1",
doi = "10.1134/S1028334X22700350",
language = "русский",
volume = "507",
pages = "881--886",
journal = "Doklady Earth Sciences",
issn = "1028-334X",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "1",

}

RIS

TY - JOUR

T1 - 190Pt–4He Age of Native Platinum Minerals of the Baimka Gold Placer Cluster, Western Chukotka

AU - Vlasov, E. A.

AU - Ivanova, E. S.

AU - Mochalov, A. G.

AU - Yakubovich, O.V.

PY - 2022/11/1

Y1 - 2022/11/1

N2 - Abstract: The results of 190Pt–4He dating of placer-forming minerals of platinum (PMP) from the Baimka gold placer cluster (Western Chukotka, Russia) are reported. PMPs are represented by isoferroplatinum with a composition of Pt3 + xFe1 – x and Pt3Fe. The concentrations of 190Pt and 4He in 14 PMP samples were obtained. The results of 190Pt–4He dating showed the existence of two age clusters of PMP (148 ± 6 and 188 ± 4 Ma) for the first time. The primary sources of PMP, which are similar in their genetic type, but have different ages, are assumed: (1) later, 148 ± 6 Ma of the Baimka Complex (J3b) and (2) earlier, 188 ± 4 Ma. PMPs enter alluvial gold placers mainly from the intermediate PGM reservoir, which is composed of rocks of the Volgian stage J3v2–3 (Tithonian). Thus, sedimentary rocks or explosive breccia of andesite–basalt of the Volgian stage could be the PMP source reservoir.

AB - Abstract: The results of 190Pt–4He dating of placer-forming minerals of platinum (PMP) from the Baimka gold placer cluster (Western Chukotka, Russia) are reported. PMPs are represented by isoferroplatinum with a composition of Pt3 + xFe1 – x and Pt3Fe. The concentrations of 190Pt and 4He in 14 PMP samples were obtained. The results of 190Pt–4He dating showed the existence of two age clusters of PMP (148 ± 6 and 188 ± 4 Ma) for the first time. The primary sources of PMP, which are similar in their genetic type, but have different ages, are assumed: (1) later, 148 ± 6 Ma of the Baimka Complex (J3b) and (2) earlier, 188 ± 4 Ma. PMPs enter alluvial gold placers mainly from the intermediate PGM reservoir, which is composed of rocks of the Volgian stage J3v2–3 (Tithonian). Thus, sedimentary rocks or explosive breccia of andesite–basalt of the Volgian stage could be the PMP source reservoir.

KW - 190Pt–4He dating

KW - Baimka gold placer cluster

KW - Western Chukotka

KW - platinum group minerals

UR - https://www.mendeley.com/catalogue/badcbe1f-c184-3228-8e45-33a0a178eef2/

U2 - 10.1134/S1028334X22700350

DO - 10.1134/S1028334X22700350

M3 - статья

VL - 507

SP - 881

EP - 886

JO - Doklady Earth Sciences

JF - Doklady Earth Sciences

SN - 1028-334X

IS - 1

ER -

ID: 105597304