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The Pleistocene Barkhatnaya Sopka ring complex of andesitic-to-rhyolitic lava domes, located along the Paratunka River NW of Vilyuchik volcano, also contains Holocene basaltic pyroclastic cones. Most of the younger cones lie on the south and SE sides of the dome complex. The Barkhatnaya Sopka cinder cone formed after the middle Holocene (Ponomareva 1992, pers. comm.).
Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|3550 BCE (after)||Unknown||Confirmed||Tephrochronology|
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Feature Name||Feature Type||Elevation||Latitude||Longitude|
|Gozyachaya Sopka||Dome||52° 48' 0" N||158° 9' 0" E|
|Holocene cinder cones of the Barkhatnaya Sopka volcanic field overlie a plateau 14 km north of Viliuchik volcano. The cinder cones are sitting on an uplifted block of eroded Miocene-Pliocene rocks. Mt. Barkhatnaya ("Velvet Mountain"), which formed 3000-4000 years ago, is at the left, and the reddish hill at the right is an early Holocene cinder cone. The white hill in the center between Barkhatnaya and the early Holocene cinder cone is a part of an eroded rhyolitic sub-volcanic body.
Coyrighted photo by Oleg Dirksen (Holocene Kamchataka volcanoes; http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm).
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
Luchitsky I V (ed), 1974. History of the Development of Relief of Siberia and the Far East. Kamchatka, Kurile and Komander Islands. Moscow: Nauka Pub, 439 p (in Russian).
Ponomareva V V, 1992. . (pers. comm.).