Medvezhya (; , ''Moyoro-dake'') is a volcanic complex located at the northern end of
Iturup
Iturup (; ), also historically known by #Names, other names, is an island in the Kuril Archipelago separating the Sea of Okhotsk from the North Pacific Ocean. The town of Kurilsk, administrative center of Kurilsky District, is located roughly mi ...
Island, Kuril Islands, Russia.
Rheniite, a
rhenium
Rhenium is a chemical element; it has symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one ...
sulfide
Sulfide (also sulphide in British English) is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions. Solutions of sulfide salts are corrosive. ''Sulfide'' also refers to large families o ...
mineral (ReS
2), was discovered within the active hot
fumarole
A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...
s of the
volcano
A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
On Earth, volcanoes are most oft ...
in 1994
See also
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Fumarole mineral
Fumarole minerals (or fumarolic minerals) are minerals which are deposited by fumarole exhalations. They form when gases and compounds Deposition (phase transition), desublimate or precipitate out of condensates, forming mineral deposits. They are ...
*
List of volcanoes in Russia
This is a list of active and extinct volcanoes in Russia.
European Russia
Kamchatka
Volcanoes of the Kamchatka Peninsula of the northwestern Pacific Ocean and the Russian Far East.
Kuril Islands
Volcanoes of the Kuril Islands, in the ...
References
External links
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Iturup
Active volcanoes
Volcanoes of the Kuril Islands
Calderas
VEI-7 volcanoes
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