Confined channel-levee complex development in an elongate depo-center: Deep-water Tertiary strata of the Austrian Molasse basin

Hubbard, Stephen M.; Ruig, M.J. De; Graham, Stephan A.

doi:10.1016/j.marpetgeo.2007.11.006

Cited by 101 publications

(131 citation statements)

References 59 publications

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“…Turbidites are deposited by turbidity currents, in which sand and mud are suspended by the upward component of fluid turbulence; debrites are deposited by debris flows, in which large grains and gravel are supported by a cohesive matrix of interstitial fluid and mud with finite yield strength (Middleton and Hampton, 1973). Channel deposits commonly exhibit the following facies that represent a spectrum of submarine mass-movement processes (Mutti and Normark, 1987;Clark and Pickering, 1996;Campion et al, 2000;Sullivan et al, 2000;Barton et al, 2010;Hubbard et al, 2009Hubbard et al, , 2014 (Fig. 1): 1) thick-bedded, amalgamated sandstone and/or sand-matrix conglomerate deposited from the collapse of high-density turbidity currents (suspended load) and through tractional reworking of sediment (bed load);…”

Section: Submarine-channel Faciesmentioning

confidence: 99%

The Stratigraphic Record of Submarine-Channel Evolution

Covault¹,

Sylvester²,

Hubbard³

et al. 2016

TSR

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Section: Submarine-channel Faciesmentioning

confidence: 99%

The Stratigraphic Record of Submarine-Channel Evolution

Covault¹,

Sylvester²,

Hubbard³

et al. 2016

TSR

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“…Contemporaneous sediments of the deep-water Lower and Upper Puchkirchen Formation (Egerian) are represented by coal-bearing continental to brackish clays and sands along the northern margin of the study area (Krenmayer 1999). In the Early Burdigalian (Eggenburgian), deep-water conditions persisted during deposition of the Hall Formation when a gradual transition to shallow-water sedimentation occurred with continental slope-delta progradation across the area (Hinsch 2008;Hubbard et al 2009). …”

Section: Geological Settingmentioning

confidence: 99%

Neogene uplift and erosion in the Alpine Foreland Basin (Upper Austria and Salzburg)

Gusterhuber¹,

Dunkl²,

Hinsch³

et al. 2012

Geologica Carpathica

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Abstract:In the present paper we apply a multi-technique approach (shale compaction data, seismic stratigraphy, isopach maps, moisture content of lignite, fission track data) to assess timing and amount of uplift and erosion of the Alpine Foreland Basin. The combination of the different techniques allows us to discriminate the effects of two different erosion events during the Neogene: (1) Seismic stratigraphy and isopach maps indicate a Karpatian (Early Miocene) regional tilting of the basin to the west (slope of about 0.5 %) and a minor erosion phase. (2) Moisture content of lignite combined with fission track data provides evidence for extensive regional uplift after deposition of Late Miocene fluvial deposits. It is estimated that sediments, 500 to 900 m thick, have been eroded. Shale compaction data derived from sonic logs indicates additional uplift of the eastern part of the basin (near the river Enns). Here, 300 to 1000 m of sediments were additionally eroded (giving a total erosion of about 1000 to 1900 m!), with a general increase of erosion thickness towards the northeast. While the regional uplift is probably related to isostatic rebound of the Alps after termination of thrusting, the local uplift in the east could be affected by Late Neogene E-W compressional events within the Alpine-Pannonian system. Both, tilting and erosion influence the hydrocarbon habitat in the Molasse Basin (tilting of oil-water contacts, PVT conditions, biodegradation).

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“…9A and 9B) or as part of progressive channel migration (cf. Hubbard et al, 2009). In the former case, FA2 represents the beginning of the waning stages within larger channelized packages.…”

Section: • Facies Association 1 (Fa1): Thin-bedded Turbiditesmentioning

confidence: 99%

Facies architecture and provenance of a boulder-conglomerate submarine channel system, Panoche Formation, Great Valley Group: A forearc basin response to middle Cretaceous tectonism in the California convergent margin

Greene¹,

Surpless²

2017

Geosphere

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Tectonic reorganization induced by a rapid increase in plate motion obliquity and rate beginning at ca. 100 Ma affected California's Andean-style convergent margin, with concomitant changes in the accretionary prism of the Franciscan Complex, the Great Valley forearc basin, and the Sierran continental arc. Using facies analysis and a combined provenance approach, we suggest that this ca. 100 Ma tectonic signal is preserved in a Cenomanian (Upper Cretaceous) boulder-conglomerate outcrop along the San Luis Reservoir (SLR) in the southern Great Valley, which represents the thickest and coarsest deep-water deposit ever described in the Great Valley Group (GVG). We document a 1.8-km-thick by 4-km-long depositional-dip profile of an interpreted SE-directed (axial) submarine channel system that is part of a conglomeratic package that stretches 20 km along the east-central Diablo Range. Our facies analysis of the SLR area documents five facies associations within four aggradational channel complex sets, followed by regional abandonment.Sandstone petrography and mudrock geochemical data suggest a dissected continental Sierra Nevadan arc source. Conglomerate clast counts show abundant ophiolitic-type clasts that may be derived from the Coast Range Ophiolite and/or the Western Sierra Nevada Metamorphic Belt. Detrital-zircon geochronology data also indicate western and central Sierra Nevadan sources; however, we interpret an anomalous (relative to other Cenomanian localities) 105-95 Ma zircon population to indicate the initial erosional products from the volcanic carapace associated with the Late Cretaceous magmatic flare-up within the eastern Sierran arc. This flare-up has been linked to an increase in arc-parallel plate motion that induced deformation along shear zones in the eastern Sierra Nevada, allowing for widespread plutonism. Our provenance interpretation makes the SLR area the earliest Upper Cretaceous GVG locality to receive significant detritus from the flare-up, effectively linking tectonic plate motion changes and coarse-grained, deep-water forearc sedimentation.

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Confined channel-levee complex development in an elongate depo-center: Deep-water Tertiary strata of the Austrian Molasse basin

Cited by 101 publications

References 59 publications

The Stratigraphic Record of Submarine-Channel Evolution

The Stratigraphic Record of Submarine-Channel Evolution

Neogene uplift and erosion in the Alpine Foreland Basin (Upper Austria and Salzburg)

Facies architecture and provenance of a boulder-conglomerate submarine channel system, Panoche Formation, Great Valley Group: A forearc basin response to middle Cretaceous tectonism in the California convergent margin

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