Blind mud volcanoes of Black sea

Shnyukov, Ye.F.; Коболев, В.П.

doi:10.15407/gpimo2020.02.049

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…The development of subsidence phenomena can be observed on many MVs. Most likely, in the Black Sea, gas hydrate deposits are concentrated around the most powerful central vents of MVs, e.g., hypothetical recessed synclines [11,18,19]. This can be exemplified by the well-studied Haakan Mosby MV in the Norwegian Sea, discussed above.…”

Section: Resultsmentioning

confidence: 99%

“…In the course of numerous expeditions carried out by different organizations, gas hydrates were recovered by gravity cores in 60% of all studied MVs located below isobath 600-700 m (compensation depth of gas hydrate formation) [11,[20][21][22][23][24].…”

Section: Resultsmentioning

confidence: 99%

“…About 80 MVs are known today in the Black Sea. Most of them are localized in deep water, but some of them have been found at relatively shallow depths as well [11] (Fig. 2).…”

Section: Structural-tectonic Position Of Mvs Of the Black Seamentioning

confidence: 99%

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Mud-volcanic deposits of methane gas hydrates in the Black Sea

2021

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This paper discusses the formation of a special mud-volcanic type of gas hydrate accumulation in the deep-water part of the Black Sea. The main conclusions are based on the results of geological and geophysical studies of mud volcanoes carried out in the course of numerous scientific cruises between 1970-2015. Comparison of the Black Sea submarine mud volcanoes with their on-land analogues indicates the possible use of compensatory depressions, called “recessed synclines”, accompanying mud volcanoes, which is revealed in the course of prospecting and exploration of mineral deposits. In the sea they are represented by ring deposits of methane gas hydrates.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Mud-volcanic deposits of methane gas hydrates in the Black Sea

2021

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“…В рамках цього проекту були визначені перспективні ділянки родовищ твердих корисних копалин Міжнародного району морського дна, а також напрями юридичного оформлення ділянки для України. Аналіз геологічних особливостей ресурсів Міжнародного району морського дна показав, що поклади мінеральних ресурсів на морському дні є надзвичайно перспективними для розробки [26,34,48]…”

Section: геологічний напрямunclassified

Marine geological and geophysical expeditionary researches of NAS of Ukraine: History, reality and prospects

Shnyukov

Shchyptsov

Коболев

2019

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Deep structure, tectonics, evolution and hydrocarbon potential of the north-western shelf of the Black Sea along 31°20’E

Kozlenko¹,

Kozlenko²

2021

Geol. polezn. iskop. mirov. okeana

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A density modeling of the north-western shelf of the Black Sea along 31°20’ E was carried out. According to its results, a complex block structure of the area is determined, which is closely connected with the history of its development. Signs of Baikal tectonic activation of the southern edge of the pre-Riphean Eastern European platform, as well as the adjacent part of the Scythian plate have been revealed. Areas formed during the Hercynian and Cimmerian epochs of tectogenesis have been identified within the Scythian plate. At the base of the Karkinit Trough, two areas of reduced crust resulting from riftogenesis with varying degrees of intensity of basification have been established. Two ancient volcanos of ryolite composition were found on the basement surface on the northern slope of the Kalamit swell. It is highly probable that the Gamburtsev uplift is an eastern extension of the Gubkin swell. According to the structure and value of the calculated densities, it is established that the Gamburtsev uplift is a «blind» mud volcano, which was formed during the second stage of the late Cimmerian cycle and was active throughout the Cretaceous period. A detailed analysis of the deep structure and fault tectonics of the local structures of the sedimentary cover in the intersection of the profile and the area of gas seeps was carried out. It was found that the Flangova, Partizanska and Hamburtseva structures are more promising for hydrocarbon accumulation. The hydrocarbon potential of the Ushakov structure (H-41) is questionable, because structurally and tectonically it is analogous to the Delphin structure, which was deemed unproductive based on drilling results. The area of gas seeps was found to be confined to a mantle fault, which separates two blocks with distinctly different structures and Meso-Cenozoic evolution of the Earth’s crust. It is proposed to conduct a detailed seismic survey in this area in order to identify local structures in the sedimentary cover, promising for hydrocarbons.

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Blind mud volcanoes of Black sea

Cited by 4 publications

References 12 publications

Mud-volcanic deposits of methane gas hydrates in the Black Sea

Mud-volcanic deposits of methane gas hydrates in the Black Sea

Marine geological and geophysical expeditionary researches of NAS of Ukraine: History, reality and prospects

Deep structure, tectonics, evolution and hydrocarbon potential of the north-western shelf of the Black Sea along 31°20’E

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