Classification of mud volcanoes in the South Caspian Basin, offshore Azerbaijan

Yusifov, Mehdi; Rabinowitz, Philip D.

doi:10.1016/j.marpetgeo.2004.06.002

Cited by 70 publications

(45 citation statements)

References 15 publications

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“…The observations of mound depressions, boulders on the rims, and flow-like features can be interpreted as vent-like structures of the subsurface conduits, mud breccias, and mud flows of typical mud volcanoes on Earth, respectively. The various morphology of cone summits on mud volcanoes in cross-section, reported in Yusifov and Rabinowitz (2004), well correspond to the observations of cone morphologies in Fig. 7.…”

Section: Possible Origin Of the Moundssupporting

confidence: 88%

Distribution, morphology, and morphometry of circular mounds in the elongated basin of northern Terra Sirenum, Mars

Hemmi

Miyamoto

2017

Prog Earth Planet Sci

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An elongated, flat-floored basin, located in the northern part of Terra Sirenum on Mars, holds numerous enigmatic mounds (100 m wide) on the surface of its floor. We investigated their geological context, spatial distribution, morphological characteristics, and morphometric parameters by analyzing a variety of current remote sensing data sets of Mars. Over 700 mounds are identified; mapping of the mounds shows the spatial density of about 21 per 100 km 2 and appearances of several clusters, coalescence, and/or alignment. Most of the mounds have smoother surface textures in contrast to the rugged surrounding terrain. Some of the mounds display depressions on their summits, meter-sized boulders on their flanks, and distinct lobate features. We also perform high-resolution topographic analysis on 50 isolated mounds, which reveals that their heights range from 6 to 43 m with a mean of 18 m and average flank slopes of most mounds are below 10°. These characteristics are consistent with the deposition and extension of mud slurries with mud breccia and gases extruded from subsurface, almost equivalent to terrestrial mud volcanism. If so, both abundance of groundwater and abrupt increase in pore fluid pressure are necessary for triggering mud eruption. Absolute crater retention ages suggest that the floor of the basin located among middle Noachian-aged highland terrains has been resurfaced during the Late Hesperian Epoch. Because of cross-cutting relationships with the basin and the mounds superposed on the basin floor, the faults and fissures (part of Memnonia Fossae) are thought to have formed during and/or after the period of mound formation. Compressional stress fields which likely formed Memnonia Fossae and Mangala Valles, expected from the dike emplacement model of Wilson and Head (JGR 107:1-1-1-24, 2002), may have facilitated undercompaction or overpressurization of subsurface fluids, focused pore fluids beneath the basin, and opened conduits along faults for upwelling voluminous sediments and fluids.

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Section: Possible Origin Of the Moundssupporting

confidence: 88%

Distribution, morphology, and morphometry of circular mounds in the elongated basin of northern Terra Sirenum, Mars

Hemmi

Miyamoto

2017

Prog Earth Planet Sci

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“…Three main relationships have been identified between mud volcano development and geological environments (Dimitrov, 2002): (1) the occurrence of a close relationship between mud volcanism and tectonics (Kopf, 2002;Huguen et al, 2004;Panahi, 2005), especially in compressional settings (Milkov, 2000); (2) the existence of deep potential source layers in the sedimentary succession (Feyzullayev et al, 2005); and (3) the location of mud volcanoes where hydrocarbons have been or are actively being generated (Guliyev and Feizullayev, 1997;Yusifov and Rabinowitz, 2004). The Gulf of Cadiz fulfils all these interrelations Garda Mojonero and Martlnez del Olmo, 2001;Ovsyannikov et al, 2003;Van Rensbergen et al, 2005;Pinheiro et al, 2006;Lean et al, 2007;Femandez-Puga et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Tectonics and mud volcano development in the Gulf of Cádiz

et al. 2009

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“…1) [13]. Most of these mud volcanoes are thought to have begun their activity in the Pliocene around 3.5 Ma [14], thereby in close connection with the development of onshore and offshore folds that probably started to form during Early-Late Pliocene times [e.g.,14] and that are generally considered to be active.…”

Section: Greater Caucasus Mud Volcanoesmentioning

confidence: 99%

Proceedings of Fringe 2015: Advances in the Science and Applications of SAR Interferometry and Sentinel-1 InSAR Workshop

2015

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Mud volcanism consists in the surface extrusion of gases, saline waters and mud breccias, which produce conical edifices of various sizes with morphology similar to that of magmatic volcanoes. In this work, DInSAR technique has been used to investigate the ground deformation related to the activity of Azerbaijan mud volcanoes during the period October 2003-November 2005. This work focuses on two important deformation events at the Ayaz-Akhtarma and Khara-Zira mud volcanoes. The ground deformations at mud volcanoes are generally originated by fluid pressure and volume variations in the reservoir. The observed deformation pattern is characterized by pre-eruptive inflation that reaches a cumulative value of up to 20 cm at Ayaz-Akhtarma in about two years. Similar pre-eruptive bulging has been observed at magmatic volcanoes, where uplift is typically associated with magma intrusion. We conclude that mud and magmatic volcanoes display some similarities in the behavior of ground deformation during pre-eruptive stages.

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Classification of mud volcanoes in the South Caspian Basin, offshore Azerbaijan

Cited by 70 publications

References 15 publications

Distribution, morphology, and morphometry of circular mounds in the elongated basin of northern Terra Sirenum, Mars

Distribution, morphology, and morphometry of circular mounds in the elongated basin of northern Terra Sirenum, Mars

Tectonics and mud volcano development in the Gulf of Cádiz

Proceedings of Fringe 2015: Advances in the Science and Applications of SAR Interferometry and Sentinel-1 InSAR Workshop

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