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K-Ar age and chemical composition of volcanites from the Sea of Okhotsk

Authors
Publisher
PANGAEA
Publication Date
Identifiers
DOI: 10.1594/pangaea.779116
Keywords
  • 1
  • 6 Sigma
  • 40Ar
  • 40Ar Std Dev
  • Age
  • Age
  • 40K/40Ar Potassium-Argon
  • Age
  • Standard Deviation
  • Age Std Dev
  • Al2O3
  • Aluminium Oxide
  • Archive Of Ocean Data
  • Arcod
  • Area
  • Area/Locality
  • Argon 40
  • Argon 40
  • Standard Deviation
  • Ba
  • Barium
  • Calcium Oxide
  • Calculated
  • Cao
  • Chromium
  • Co
  • Cobalt
  • Cr
  • Dredge
  • Epoch
  • Fe2O3
  • Feo
  • Flame Photometry
  • H2O
  • Iron Oxide
  • Fe2O3
  • Iron Oxide
  • Feo
  • K
  • K2O
  • K Std Dev
  • Label
  • Loi
  • Loss On Ignition
  • Lv27-14
  • Lv27-19
  • Magnesium Oxide
  • Manganese Oxide
  • Mass Spectrometry
  • Mgo
  • Mno
  • Na2O
  • Nb
  • Ni
  • Nickel
  • Niobium
  • P2O5
  • Phosphorus Oxide
  • Potassium
  • Potassium
  • Standard Deviation
  • Potassium Oxide
  • Rb
  • Rock
  • Rock Type
  • Rubidium
  • Sample Code/Label
  • Sea Of Okhotsk
  • Silicon Dioxide
  • Sio2
  • Sodium Oxide
  • Soo03-2120
  • Soo03-2122
  • Soo03-2357
  • Soo03-3105
  • Soo03-3110
  • Soo03-3111
  • Soo03-3115
  • Soo03-3116
  • Soo03-3118
  • Soo03-3120
  • Soo03-3125
  • Soo03-3133
  • Soo03-3157
  • Soo03-4218
  • Sr
  • Strontium
  • Sum
  • Tio2
  • Titanium Oxide
  • V
  • Vanadium
  • Water In Rock
  • Wet Chemistry
  • X-Ray Fluorescence (Xrf)
  • Y
  • Yttrium
  • Zirconium
  • Zr
Disciplines
  • Chemistry

Abstract

Volcanogenic rocks from the Sea of Okhotsk are divided into seven age complexes: Late Jurassic, Early Cretaceous, Late Cretaceous, Eocene, Late Oligocene, Late Miocene, and Pliocene-Pleistocene. All these complexes are united into two groups - Late Mesozoic and Cenozoic. Each group reflects a certain stage of development of the Sea of Okhotsk region. Late Mesozoic volcanites build the geological basement of the Sea of Okhotsk, and their petrochemical features are similar to those of the volcanic rocks from the Okhotsk-Chukotka Volcanogen. Pliocene-Pleistocene volcanites reflect stages of tectono-magmatic activity; the latter destroyed the continental margin and produced riftogenic troughs. Geochemical features of volcanites from the Sea of Okhotsk indicate influence of the sialic crust on magma formation and testify formation of the Okhotsk Sea Basin on the destructive margin of the Asian continent.

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