Paleoliquefaction features on Tenerife (Canary Islands) in Holocene sand deposits

Vallejo, Luis I. González de; Tsigé, Meaza; Cabrera, Luis Carrasco

doi:10.1016/j.enggeo.2004.07.006

Cited by 18 publications

(10 citation statements)

References 14 publications

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“…, 2001; Netoff & Shroba, 2001Draganits et al. , 2003) and seismic shock (Plint, 1983; Netoff, 2002; González de Vallejo et al. , 2005).…”

Section: Discussionmentioning

confidence: 99%

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An integrated model of extrusive sand injectites in cohesionless sediments

Ross¹,

Peakall²,

Keevil³

2011

Sedimentology

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Clastic injection and surface expression of subsurface sediment remobilization is a phenomenon which is becoming increasingly recognized. However, understanding of the physical mechanisms that control these features remains limited, dominated by inference from outcrop and seismic studies. Here, this limitation is addressed through a set of experiments focused on the development and evolution of fluidization features in non‐cohesive bedded sequences. Fluidization and the onset of piping are shown to occur progressively through a sequence of discrete phases, with initial void formation, development of infiltration horizons, rupture and finally pipe formation. Critically, the style of piping, the stability of piping and the temporal evolution of venting are shown to exhibit considerable variability. In particular, pipes may either be stable or very mobile, migrating laterally over large distances; these produce deposits that are typically interpreted in outcrop as being the product of en masse liquefaction rather than localized, dynamic fluidization. These differing elements are synthesized to produce a model of sand extrudites. In addition, the implications of this model are explored.

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“…, 2001; Netoff & Shroba, 2001Draganits et al. , 2003) and seismic shock (Plint, 1983; Netoff, 2002; González de Vallejo et al. , 2005).…”

Section: Discussionmentioning

confidence: 99%

“…Such an experimental set‐up is a good analogue for many of the environments where sand injectites occur, in particular those where thin silt, silty‐sand or finer sand layers are present between thicker coarser cleaner sands (e.g. Netoff, 2002; González de Vallejo et al. , 2005; Fernandes et al.…”

Section: Introductionmentioning

confidence: 99%

An integrated model of extrusive sand injectites in cohesionless sediments

Ross¹,

Peakall²,

Keevil³

2011

Sedimentology

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“…Rapid sedimentation was followed by liquefaction and overpressuring of fluidized sediments (Moretti and Sabato 2007). Cylindrical, elliptical, and funnel-shaped pipes and sediment injections have been described in outcrop and attributed to water table fluctuations (Massari et al 2001;Netoff and Shroba 2001) as well as seismic shocks (Plint 1983;González de Vallejo et al 2005).…”

Section: Sediment Injection Structures (Clastic Dikes)mentioning

confidence: 98%

Types of soft-sediment deformation structures in a lacustrine Ploužnice member (Stephanian, Gzhelian, Pennsylvanian, Bohemian Massif), their timing, and possible trigger mechanism

Stárková

Martínek

Mikuláš

et al. 2015

Int J Earth Sci (Geol Rundsch)

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facies associations preserve from 22.5 to 20.5 cm SSDS/m, and in palustrine carbonate, 13.5 cm mechanical SSDS/m was found. SSDS in fluvial facies are rare (2.9 cm SSDS/m). The distribution of SSDS in the Sm-1 borehole shows clear relationships to sedimentary facies and processes such as density flows or fluctuation of water level. The relationships of particular structures indicate a relative timing of formation which is as follows: sediment deposition was followed by the formation of mechanical SSDS, then by bioturbation, and finally by deformations due to early diagenetic growth of carbonates and silica. The distribution of SSDS in vertical sections and their direct relationship to sedimentary facies point to endogenic rather than external trigger mechanisms such as seismic activity. The main endogenic trigger mechanisms responsible for the origin of SSDS included a Stephanian semi-humid seasonal climate, basin morphology with relatively steep gradients, and elevated source areas, which created a conducive environment for rapid and repeated deposition of sheetfloods and hyperconcentrated flows and turbidites causing syndepositional loading.

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“…However, as volcanic and tectonic earthquakes are common on the Canary Islands (e.g. Mezcua et al 1992;González de Vallejo et al 2005), seismic acceleration due to a volcanic or tectonic earthquake could have been the trigger of the TDA.…”

Section: Possible Triggering Causementioning

confidence: 99%

Characterisation of a Pleistocene debris-avalanche deposit in the Tenteniguada Basin, Gran Canaria Island, Spain

et al. 2008

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We studied a large debris-avalanche deposit of Pleistocene age in the Tenteniguada Basin, Gran Canaria Island, Spain. This deposit, which is well preserved because it is mostly covered by basanite lava flows, has distinctive matrix and block facies, hummocky topography and internal structures typical of debris avalanches. However, neither syneruptive lavas nor some characteristic features of volcanic debris-avalanche deposits, such as a stratovolcano edifice or a horseshoe-shaped crater, are present. The occurrence of internal features characteristic of volcanic avalanche deposits could be attributed to the volcanic materials involved in the movement rather than to the triggering of the avalanche during a volcanic eruption. The conditioning factors are shown to be associated with specific structural and hydrological conditions, such as the presence of old volcanic domes, strength reduction of the rocks, effective stress decrease, active gully erosion and water table rise during Pleistocene humid episodes. We finally suggest that the possible triggering factor of the avalanche was a neighbouring volcanic or tectonic earthquake.

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Paleoliquefaction features on Tenerife (Canary Islands) in Holocene sand deposits

Cited by 18 publications

References 14 publications

An integrated model of extrusive sand injectites in cohesionless sediments

An integrated model of extrusive sand injectites in cohesionless sediments

Types of soft-sediment deformation structures in a lacustrine Ploužnice member (Stephanian, Gzhelian, Pennsylvanian, Bohemian Massif), their timing, and possible trigger mechanism

Characterisation of a Pleistocene debris-avalanche deposit in the Tenteniguada Basin, Gran Canaria Island, Spain

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