Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin

We characterize the mineralogy and geochemistry of Fe, Zn, Pb, Sb, As, Hg, Ag sulfide assemblages from mud masses currently extruded by the onshore South Sakhalin and Pugachev mud volcanoes (Sakhalin Island, Russia). Abundant Tl-rich pyrite in sulfide concentrate samples from the mud volcanoes coexi...

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Autores principales:	Ella V. Sokol, Svetlana N. Kokh, Anna V. Nekipelova, Adam Abersteiner, Yurii V. Seryotkin, Valeriy V. Ershov, Olga A. Nikitenko, Anna S. Deviatiiarova
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	sphalerite metacinnabar cinnabar ZnS-HgS series Pb-Sb sulfosalts LA-ICPMS Mineralogy QE351-399.2
Acceso en línea:	https://doaj.org/article/4cc86dae6344448eabe4de8ed3aa00e2
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spelling	oai:doaj.org-article:4cc86dae6344448eabe4de8ed3aa00e22021-11-25T18:26:04ZGe-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin10.3390/min111111862075-163Xhttps://doaj.org/article/4cc86dae6344448eabe4de8ed3aa00e22021-10-01T00:00:00Zhttps://www.mdpi.com/2075-163X/11/11/1186https://doaj.org/toc/2075-163XWe characterize the mineralogy and geochemistry of Fe, Zn, Pb, Sb, As, Hg, Ag sulfide assemblages from mud masses currently extruded by the onshore South Sakhalin and Pugachev mud volcanoes (Sakhalin Island, Russia). Abundant Tl-rich pyrite in sulfide concentrate samples from the mud volcanoes coexists with common Hg- and Ge-rich sphalerite, as well as with sporadic boulangerite, robinsonite, bournonite, galena, realgar, metacinnabar, cinnabar, acanthite, and chalcopyrite. Sphalerites are remarkably enriched in Hg (locally reaching 27 wt%) and coupled zwith permanent abnormal enrichment in Ge (3008–3408 ppm). According to single-crystal XRD analyses and Raman spectroscopy, both Hg-poor and Hg-rich sphalerites are single-phase (Zn,Hg)S<sub>cub</sub> compounds. Pyrite is of diagenetic origin, judging by its trace-element chemistry, particular morphology, and heavy S isotope composition. Another assemblage, composed of Pb-Sb-(Hg) sulfide minerals and lesser As, Cu, Ag, and Bi compounds, results from hydrothermal alteration and is genetically related to Neogene volcano-sedimentary rocks found among the ejecta of the mud volcanoes. The composition of impurities in sphalerite from mud masses indicates crystallization at temperatures lower than ~100 °C, under the leaching effect of mud volcano waters.Ella V. SokolSvetlana N. KokhAnna V. NekipelovaAdam AbersteinerYurii V. SeryotkinValeriy V. ErshovOlga A. NikitenkoAnna S. DeviatiiarovaMDPI AGarticlesphaleritemetacinnabarcinnabarZnS-HgS seriesPb-Sb sulfosaltsLA-ICPMSMineralogyQE351-399.2ENMinerals, Vol 11, Iss 1186, p 1186 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sphalerite metacinnabar cinnabar ZnS-HgS series Pb-Sb sulfosalts LA-ICPMS Mineralogy QE351-399.2
spellingShingle	sphalerite metacinnabar cinnabar ZnS-HgS series Pb-Sb sulfosalts LA-ICPMS Mineralogy QE351-399.2 Ella V. Sokol Svetlana N. Kokh Anna V. Nekipelova Adam Abersteiner Yurii V. Seryotkin Valeriy V. Ershov Olga A. Nikitenko Anna S. Deviatiiarova Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
description	We characterize the mineralogy and geochemistry of Fe, Zn, Pb, Sb, As, Hg, Ag sulfide assemblages from mud masses currently extruded by the onshore South Sakhalin and Pugachev mud volcanoes (Sakhalin Island, Russia). Abundant Tl-rich pyrite in sulfide concentrate samples from the mud volcanoes coexists with common Hg- and Ge-rich sphalerite, as well as with sporadic boulangerite, robinsonite, bournonite, galena, realgar, metacinnabar, cinnabar, acanthite, and chalcopyrite. Sphalerites are remarkably enriched in Hg (locally reaching 27 wt%) and coupled zwith permanent abnormal enrichment in Ge (3008–3408 ppm). According to single-crystal XRD analyses and Raman spectroscopy, both Hg-poor and Hg-rich sphalerites are single-phase (Zn,Hg)S<sub>cub</sub> compounds. Pyrite is of diagenetic origin, judging by its trace-element chemistry, particular morphology, and heavy S isotope composition. Another assemblage, composed of Pb-Sb-(Hg) sulfide minerals and lesser As, Cu, Ag, and Bi compounds, results from hydrothermal alteration and is genetically related to Neogene volcano-sedimentary rocks found among the ejecta of the mud volcanoes. The composition of impurities in sphalerite from mud masses indicates crystallization at temperatures lower than ~100 °C, under the leaching effect of mud volcano waters.
format	article
author	Ella V. Sokol Svetlana N. Kokh Anna V. Nekipelova Adam Abersteiner Yurii V. Seryotkin Valeriy V. Ershov Olga A. Nikitenko Anna S. Deviatiiarova
author_facet	Ella V. Sokol Svetlana N. Kokh Anna V. Nekipelova Adam Abersteiner Yurii V. Seryotkin Valeriy V. Ershov Olga A. Nikitenko Anna S. Deviatiiarova
author_sort	Ella V. Sokol
title	Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
title_short	Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
title_full	Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
title_fullStr	Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
title_full_unstemmed	Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
title_sort	ge-hg-rich sphalerite and pb, sb, as, hg, and ag sulfide assemblages in mud volcanoes of sakhalin island, russia: an insight into possible origin
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4cc86dae6344448eabe4de8ed3aa00e2
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Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin

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