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- Title
Rock magnetic and petrographical-mineralogical studies of the dredged rocks from the submarine volcanoes of the Sea-of-Okhotsk slope within the northern part of the Kuril Island Arc.
- Authors
Rashidov, V.; Pilipenko, O.; Petrova, V.
- Abstract
The rock magnetic properties of the samples of dredged rocks composing the submarine volcanic edifices within the Sea-of-Okhotsk slope of the northern part of the Kuril Island Arc are studied. The measurements of the standard rock magnetic parameters, thermomagnetic analysis, petrographical studies, and microprobe investigations have been carried out. The magnetization of the studied rocks is mainly carried by the pseudo-single domain and multidomain titanomagnetite and low-Ti titanomagnetite grains. The high values of the natural remanent magnetization are due to the pseudo-single-domain structure of the titanomagnetite grains, whereas the high values of magnetic susceptibility are associated with the high concentration of ferrimagnetic grains. The highest Curie points are observed in the titanomagnetite grains of the igneous rocks composing the edifices of the Smirnov, Edelshtein, and 1.4 submarine volcanoes.
- Subjects
SEA of Okhotsk; KURIL Islands (Russia); MINERALOGICAL research; MAGNETIC properties of rocks; SUBMARINE volcanoes; THERMOMAGNETIC effects
- Publication
Izvestiya, Physics of the Solid Earth, 2016, Vol 52, Issue 4, p550
- ISSN
1069-3513
- Publication type
Article
- DOI
10.1134/S1069351316040066