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Andrews B.J., Gardner J.E., Tait S., Ponomareva V.V., Melekestsev I.V. Dynamics of the 1800 14C yr BP caldera-forming Eruption of Ksudach Volcano, Kamchatka, Russia / Volcanism and Subduction: The Kamchatka Region. Geophysical Monograph Series. Washington, D. C.: American Geophysical Union. 2007. Vol. 172. P. 325-342. doi: 10.1029/GM172.
   Annotation
The 1800 14C yr BP Ksudach KS1 rhyodacite deposits present an opportunity to study the effects of caldera collapse on eruption dynamics and behavior. Stratigraphic relations indicate four Phases of eruption, Initial, Main, Lithic, and Gray. Well-sorted, reverse-graded pumice fall deposits overlying a silty ash compose the Initial Phase layers. The Main, Lithic, and Gray Phases are represented by pumice fall layers interbedded with pyroclastic flow and surge deposits (proximally) and co-ignimbrite ashes (distally). Although most of the deposit is <30 wt.% lithics, the Lithic Phase layers are >50 wt.% lithics. White and gray pumice are compositionally indistinguishable, however vesicle textures and microlite populations indicate faster ascent by the white pumice prior to eruption of the Gray Phase. The eruption volume is estimated as ∼8.5 km3 magma (dense rock equivalent) and ∼3.6 km3 lithics. Isopleth maps indicate mass flux ranged from 5–10×10^7 kg/s during the Initial Phase to >10^8 kg/s during the Main, Lithic, and Gray Phases. Caldera Collapse during the Lithic Phase is reflected by a large increase in lithic particles and the abrupt textural change from white to gray pumice; collapse began following eruption of ∼66% of the magma, and finished when ∼72% of the magma was erupted. Stratigraphic, granulometric, and component analyses indicate simultaneous eruption of buoyant plumes and non-buoyant flows during the Main, Lithic, and Gray Phases. Although mass flux did not change significantly following caldera collapse, the Gray Phase of eruption was dominated by non-buoyant flows in contrast to the earlier Phases that erupted mostly buoyant plumes.
Barmina G.S., Ariskin A.A., Neilsen R.L., Ozerov A.Yu. Formation of high-Al basalt by polybaric fractionation of a high-magnesia parent: Klyuchevskoi volcano (Kamchatka, Russia) / AGU Spring Meeting 1995. Eos Trans. Abstract V42A-06. Baltimore, Maryland, USA: AGU. 1995. P. 298
Belousov Alexander, Belousova Marina Eruptive process, effects and deposits of the 1996 and the ancient basaltic phreatomagmatic eruptions in Karymskoye lake, Kamchatka, Russia / Volcaniclastic Sedimentation in Lacustrine Settings. Oxford, UK: Blackwell Publishing Ltd. 2001. P. 35-60. doi: 10.1002/9781444304251.ch3.
Bogoyavlenskaya G.E., Ozerov A.Yu., Khubunaya S.A. The Klyuchevskoy Volcano Eruption in 1993 and 1994 and Its Activity During the Last Decade / IUGG XXI General Assembly, 1995, (Abstract VB11B-03). 1995. P. 410
Chapter 1 Recent tectonics of the crust and volcanism in Kamchatka / Quaternary volcanism and tectonics in Kamchatka. Bull. Volcanol.. // Bulletin Volcanologique. 1979. Vol. 42. Vol. 1-4. P. 9-112. doi: 10.1007/BF02597042.
Chapter 2 Basalt and basalt-andesite volcanism in Kamchatka / Quaternary volcanism and tectonics in Kamchatka. Bull. Volcanol.. // Bulletin Volcanologique. 1979. Vol. 42. Vol. 1-4. P. 113-174. doi: 10.1007/BF02597043.
Chapter 3 Acid volcanism in Kamchatka / Quaternary volcanism and tectonics in Kamchatka. Bull. Volcanol.. // Bulletin Volcanologique. 1979. Vol. 42. Vol. 1-4. P. 175-254. doi: 10.1007/BF02597044.
Churikova T., Gordeychik B., Wörner G. Mantle and fluid sources below Klyuchevskoy-Kamen-Bezymianny line (Kamchatka) / Geofluid-3. Nature and Dynamics of fluids in Subduction Zones. Tokyo, Japan, February 28 - March 3, 2014. Tokyo, Japan: Tokyo Institute of Technology. 2014. P. 72
   Annotation
Kamen volcano is an extinct volcanic complex located in the central part of the Klyuchevskaya group of volcanoes (KGV) between active Klyuchevskoy, Bezymianny, and Ploskie Sopky volcanoes. Kamen volcano was mapped by V.A. Ermakov only in the 1970s. However the modern geochemical studies of Kamen volcano have not been previously carried out and its relationship and petrogenesis in comparison to other active neighbors are unknown. A modern geochemical study of Kamen volcano is needed because it will shed light not only on the history of the volcano itself and its closest neighbors, but also on the history and magmatic evolution of the KGV melts in general. The distance between the summits of Kamen and Klyuchevskoy is only 5 km, the same as between Kamen and Bezymianny. The close relationship in space and time of the KGV and the common zone of seismicity below them suggests a common source and a possible genetic relationship between their magmas. However, the Late-Pleistocene-Holocene lavas of all these neighboring volcanoes are very different: high-Mg and high-Al Ol-Cpx-Pl basalts and basaltic andesites occur at Klyuchevskoy volcano, and Hbl-bearing andesites and dаcites dominate at Bezymianny volcano. The rocks of Ploskie Sopky volcano, situated only 10 km NW of Kamen, are represented by medium-high-K subalkaline lavas.
Clarke Amanda B., Ongaro Tomaso, Belousov Alexander Vulcanian Eruptions / Encyclopedia of Volcanoes. Academic Press: Elsevier. 2015. P. 505-518.
Erlich E.N. Chapter 4 General problems of tectonics and volcanism of island arcs and associated tectonic systems / Quaternary volcanism and tectonics in Kamchatka. Bull. Volcanol.. // Bulletin Volcanologique. 1979. Vol. 42. Vol. 1-4. P. 255-298. doi: 10.1007/BF02597045.