Active seeps and carbonates from the Kamchatsky Gulf (East Kamchatka)
Author(s) -
Nokolay Seliverstov,
P. I. Torokhov,
V. N. Dubrovsky,
S. G. Kokarev
Publication year - 1994
Publication title -
bulletin of the geological society of denmark
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.674
H-Index - 28
eISSN - 2245-7070
pISSN - 0011-6297
DOI - 10.37570/bgsd-1995-41-05
Subject(s) - calcite , seafloor spreading , geology , canyon , petroleum seep , cementation (geology) , carbonate , geochemistry , methane , cold seep , paleontology , geomorphology , cement , chemistry , archaeology , organic chemistry , history
A zone of suginarine gas seepages was discovered on the seafloor of the Kamchatsky Gulf (East Kamchatkar, Gas plumes have been detected in the upper part of the Kamchatsky canyon within a depth range of 40-250 m. Sandstones with carbonate cementation were recovered from the seafloor near the seep locations. Cement occurs as calcite and Mg-calcite. the isotopic composition of carbon from carbonates (613C = -62%0 PDB provides grounds for believing that they originate as a result of methane oxidation.
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