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Plechov, Pavel Yu; Shishkina, T A; Ermakov, V A; Portnyagin, Maxim V (2008): Composition of melts and minerals from volcanic rocks of the Kuril-Kamchatka Arc [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.744594

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Abstract:
In this paper allivalites, coarse- and giant-textured olivine-anorthite rocks occurring as separate blocks in the eruption products of many volcanoes from the frontal part of the Kuril-Kamchatka Arc are under consideration. New data are reported on petrography, mineralogy, and composition of melt inclusions in minerals from ten allivalite samples collected at Ksudach, Ilinsky, Zavaritsky, Kudryavy, and Golovnin Volcanoes. Crystallization temperatures of allivalite minerals were estimated as 970-1080°C at melt water content of 3.0-3.5 wt % and oxygen fugacity NNO=1-2. Genetic connection was established between compositions of melt inclusions and interstitial glasses in allivalites and volcanic rocks. Cumulate nature of allivalites was demonstrated. Using mass balance calculations, degree of fractionation of primary melts during formation of cumulate layers was estimated for various volcanoes as 22-46%.
Related to:
Plechov, Pavel Yu; Shishkina, T A; Ermakov, V A; Portnyagin, Maxim V (2008): Formation conditions of allivalites, olivine-anorthite crystal enclaves, in volcanics of the Kuril-Kamchatka Arc. Petrologiya, 16(3), 232-260, https://doi.org/10.1134/S0869591108030028
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 47.235471 * Median Longitude: 150.724713 * South-bound Latitude: 43.843100 * West-bound Longitude: 145.505600 * North-bound Latitude: 51.816700 * East-bound Longitude: 157.553300
Event(s):
Golov-vlc * Latitude: 43.843100 * Longitude: 145.505600 * Location: Golovnin Volcano, Kunashir Is., Kuril Islands
Ilin-vlc * Latitude: 51.500000 * Longitude: 157.200000 * Location: Ilinsky Volcano, Kamchatka
Ksud-vlc * Latitude: 51.816700 * Longitude: 157.553300 * Location: Ksudach Volcano, Kamchatka
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
7 datasets

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Datasets listed in this publication series

  1. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 2) Compositions of major rock-forming minerals from allivalites. https://doi.org/10.1594/PANGAEA.744587
  2. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 3) Compositions of phenocrysts from basalts of the Golovnin Volcano. https://doi.org/10.1594/PANGAEA.744588
  3. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 4) Compositions of minerals and glass from groundmass of allivalites. https://doi.org/10.1594/PANGAEA.744589
  4. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 5) Compositions of minerals from crystallized melt inclusions. https://doi.org/10.1594/PANGAEA.744590
  5. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 6) Compositions of melt inclusions in olivines. https://doi.org/10.1594/PANGAEA.744591
  6. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 7) Cotectic compositions of melts in allivalites. https://doi.org/10.1594/PANGAEA.744592
  7. Plechov, PY; Shishkina, TA; Ermakov, VA et al. (2008): (Table 8) Compositions of melt inclusions recalculated to account for iron-loss effect. https://doi.org/10.1594/PANGAEA.744593