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Osipenko, A B; Sidorov, E G; Shevchenko, S S; Konilov, A N; Rassulov, V A; Rudashevskii, N S (2007): Chemical and isotopic compositions of zircons from amphibolites of the Kamchatksky Cape Peninsula [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.788247, Supplement to: Osipenko, AB et al. (2007): Geochemistry and U-Pb geochronology of zircon in garnet amphibolites from Kamchatkskii Cape Peninsula, Eastern Kamchatka. Translated from Geokhimiya, 2007, 3, 259-268, Geochemistry International, 45(3), 226-234, https://doi.org/10.1134/S0016702907030020

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Published: 2007 (exact date unknown) • DOI registered: 2012-10-03

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Abstract:
The paper reports the first data on geochemistry and U-Pb SHRIMP geochronology of zircons from garnet amphibolites whose fragments are hosted by the sole of the ophiolite complex of the Kamchatsky Cape, eastern Kamchatka. The zircons compose homogeneous sampling, have relatively small sizes, are anhedral, have no oscillatory zoning, and possess practically no inclusions. Chemical and photoluminescent characteristics of the zircons testify to their metamorphic genesis. U-Pb SHRIMP dates of the zircons (81.4+/-9.6 Ma) indicate that metamorphism of the amphibolite complex took place in Campanian, Late Cretaceous. These dates seem to correspond to the peak of high-pressure metamorphism, which is thought to be related to origin of an ophiolite complex of the suprasubduction type and its uplift within the Kronotsky Island arc.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 56.178000 * Median Longitude: 162.923500 * South-bound Latitude: 56.173000 * West-bound Longitude: 162.893000 * North-bound Latitude: 56.183000 * East-bound Longitude: 162.954000
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Osipenko, AB; Sidorov, EG; Shevchenko, SS et al. (2007): (Table 1) Chemical composition of zircons from amphibolites of the Kamchatksky Cape Peninsula. https://doi.org/10.1594/PANGAEA.788245
  2. Osipenko, AB; Sidorov, EG; Shevchenko, SS et al. (2007): (Table 2) Results of U-Pb SHRIMP isotopic study of zircons from amphibolites of the Kamchatksky Cape Peninsula. https://doi.org/10.1594/PANGAEA.788246