Ore-forming Ages and Sulfur Isotope Study of Hydrothermal Deposits in Kamchatka, Russia

Ryohei Takahashi, Hiroharu Matsueda, Victor M. Okrugin, Naotatsu Shikazono, Shuji Ono, Akira Imai, Elena D. Andreeva, Koichiro Watanabe

Research output: Contribution to journalArticle

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Abstract

In Kamchatka, Central Koryak, Central Kamchatka and East Kamchatka metallogenic belts are distributed from northwest to southeast. K-Ar age, sulfur isotopic composition of sulfide minerals, and bulk chemical compositions of ores were analyzed for 13 ore deposits including hydrothermal gold-silver and base metal, in order to elucidate the geological time periods of ore formation, relationship to regional volcanic belts, type of mineralization, and origin of sulfur in sulfides. The dating yielded ore-forming ages of 41Ma for the Ametistovoe deposit in the Central Koryak, 17.1Ma for the Zolotoe deposit and 6.9Ma for the Aginskoe deposit in the Central Kamchatka, and 7.4Ma for the Porozhistoe deposit and 5.1Ma for the Vilyuchinskoe deposit in the East Kamchatka metallogenic belt. The data combined with previous data of ore-forming ages indicate that the time periods of ore formation in these metallogenic belts become young towards the southeast. The averaged δ34SCDT of sulfides are -2.8‰ for the Ametistovoe deposit in Central Koryak, -1.8‰ to +2.0‰ (av. -0.1‰) for the Zolotoe, Aginskoe, Baranievskoe and Ozernovskoe deposits in Central Kamchatka, and -0.7 to +3.8‰ (av. +1.7‰) for Bolshe-Bannoe, Kumroch, Vilyuchinskoe, Bystrinskoe, Asachinskoe, Rodnikovoe, and Mutnovskoe deposits in East Kamchatka. The negative δ34SCDT value from the Ametistovoe deposit in Central Koryak is ascribed to the contamination of 32S-enriched sedimentary sulfur in the Ukelayat-Lesnaya River trough of basement rock. Comparison of the sulfur isotope compositions of the mineral deposits shows similarity between the Central Koryak and Magadan metallogenic belts, and East Kamchatka and Kuril Islands belts. The Central Kamchatka belt is intermediate between these two groups in term of sulfur isotopic composition.

Original languageEnglish
Pages (from-to)210-223
Number of pages14
JournalResource Geology
Volume63
Issue number2
DOIs
Publication statusPublished - Apr 1 2013

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Sulfur Isotopes
hydrothermal deposit
sulfur isotope
Ores
Deposits
sulfur
Sulfur
sulfide
isotopic composition
Sulfides
Chemical analysis
volcanic belt
geological time
mineral deposit
base metal
basement rock
ore deposit
Sulfide minerals
ore
Ore deposits

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology

Cite this

Ore-forming Ages and Sulfur Isotope Study of Hydrothermal Deposits in Kamchatka, Russia. / Takahashi, Ryohei; Matsueda, Hiroharu; Okrugin, Victor M.; Shikazono, Naotatsu; Ono, Shuji; Imai, Akira; Andreeva, Elena D.; Watanabe, Koichiro.

In: Resource Geology, Vol. 63, No. 2, 01.04.2013, p. 210-223.

Research output: Contribution to journalArticle

Takahashi, R, Matsueda, H, Okrugin, VM, Shikazono, N, Ono, S, Imai, A, Andreeva, ED & Watanabe, K 2013, 'Ore-forming Ages and Sulfur Isotope Study of Hydrothermal Deposits in Kamchatka, Russia', Resource Geology, vol. 63, no. 2, pp. 210-223. https://doi.org/10.1111/rge.12005
Takahashi, Ryohei ; Matsueda, Hiroharu ; Okrugin, Victor M. ; Shikazono, Naotatsu ; Ono, Shuji ; Imai, Akira ; Andreeva, Elena D. ; Watanabe, Koichiro. / Ore-forming Ages and Sulfur Isotope Study of Hydrothermal Deposits in Kamchatka, Russia. In: Resource Geology. 2013 ; Vol. 63, No. 2. pp. 210-223.
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