Medvezhya (russian: Медве́жий; ja, 茂世路岳, ''Moyoro-dake'') is a volcanic complex located at the northern end of
Iturup
, other_names = russian: Итуру́п; ja, 択捉島
, location = Sea of Okhotsk
, coordinates =
, archipelago = Kuril Islands
, total_islands =
, major_islands =
, area_km2 = 3139
, length_km = 200
, width_km = 27
, coastline =
, highest_moun ...
Island, Kuril Islands, Russia.
Rheniite
Rheniite is a very rare rhenium sulfide mineral with the chemical formula ( ). It forms metallic, silver grey platey crystals in the triclinic - pinacoidal class. It has a specific gravity of 7.5.
It was discovered at the Kudriavy Volcano, Iturup ...
, a
rhenium
Rhenium is a chemical element with the 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 (British English also sulphide) 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 chemical compounds lar ...
mineral (ReS
2), was discovered
and approved in 2004. It is found in active hot
fumarole
A fumarole (or fumerole) is a vent in the surface of the Earth or other 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 on the
volcano
A volcano is a rupture 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 often found where tectonic plates are ...
.
See also
*
Fumarole mineral
Fumarole minerals are minerals which are deposited by fumarole exhalations. They form when gases and compounds desublimate or precipitate out of condensates, forming mineral deposits. They are mostly associated with volcanoes (as volcanic sublimat ...
*
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 nor ...
References
External links
*
Iturup
Active volcanoes
Volcanoes of the Kuril Islands
Calderas
VEI-7 volcanoes
{{SakhalinOblast-geo-stub