The Influence of Sediment Composition on Physical Properties Interrelationships

Bayer, U.

doi:10.2973/dsdp.proc.71.145.1983

Cited by 3 publications

(8 citation statements)

References 12 publications

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“…This aspect is emphasized because decompaction of sediments provides an important step in basin analysis (e.g., BEAUMONT et al, 1982;GUIDISH et al, 1985;CHADWICK, 1985) and the reconstruction of ancient sea-level (HARDENBOL et al, 1981). The decompaction process is rather sensitive to the assumed initial porosity (BAYER, 1986).…”

Section: (6)mentioning

confidence: 99%

“…Applying the standard relationship between wet bulk density (es) and porosity for water saturated sediments (e.g., BAYER, 1983),…”

Section: Mathematical Treatment Of Data and Athy's Equationmentioning

confidence: 99%

“…Within this interval they can be approximated by a common regression function, as indicated. The regression function was derived from data of DSDP Site 511 (BAYER, 1983(BAYER, , 1986, indicating that some rather general ,,laws<, may exist for clay-rich sediments (cf. Figures 6 to 10 for the non-linear analysis).…”

Section: Mathematical Treatment Of Data and Athy's Equationmentioning

confidence: 99%

“…Furthermore, time-dependent compaction is observed (DZEVANSHIR et al, 1986), or indicated by overpressure. In the last case, the dynamic theory of consolidation must be applied (BIOT, 1941;CHRISTIAN, 1977) with its specific complications which are discussed elsewhere (BAYER, 1988). Here we will consider only stationary compaction models, as mentioned above.…”

Section: Introductionmentioning

confidence: 99%

“…Here we will consider only stationary compaction models, as mentioned above. These models request hydrostatic pressure conditions within the porefluid which is reached after a sufficiently long time when a sediment column was loaded or whenever the sedimentation rates are sufficiently low (BAYER 1978 a,b).…”

Section: Introductionmentioning

confidence: 99%

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Compactional behavior of fine-grained sediments — examples from Deep Sea Drilling Project cores

Bayer

Wetzel

1989

Geol Rundsch

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ZusammenfassungDie Synthese experimenteller Labor&ten, statistischer Analysen yon Messungen an Kernen und theoretischer Modellierung der Kompaktion im Gleichgewicht mit der Auflast erm6glicht die Definition yon Typ-Kurven fiir das Kompaktionsverhalten yon verschiedenen Tiefsee-Sedimenten. Eine erweiterte und verbesserte Form der Athy'schen Gleicbung erlanbt zusammen mit Laborexperimenren, Sedimente entsprechend des Anteils an strukmrell gebundenem Porenwasser zu klassifizieren. Anhand yon Saugspannungsexperimenten k6nnen die Bindungskf~ifte zwischen Wasser and Partikeloberfl~ichen abgesch~itzt werden. Die untersuch-~:en Sedimente reichen yon ,,suspendierten K6rnern,, bis zu einem ,,kolloidalen System,,. Die notwendigen Methoden ,and Gleichungen zur Bestimmung der relevanten Parameter aus Bohrlochdaten und Laborexperimenten werden diskualert. AbstractLaboratory experiments, statistical analysis of field data and theoretical models are combined in the attempt to derive ,;tandard compaction curves for various deep-sea sediments which are in compaction equilibrium with the overburden. A revised and generalized version of Athy's law together with laboratory experiments allows the classification of ,;ediments in terms of the amount of porewater structurally bound to the particles' surfaces. Especially suction pressure experiments are useful in quantifying the forces that bind water on the particle surfaces. The sediments analyzed almost range from systems of ~,suspended grains,, to nearly perfect ,~colloidal systems,,. The methods and equations required to derive the relevant parameters are given for both, downhole porosity/density measurements and laboratory experiments. . Present address: GeologischPal~iontologisches Institut, UniversMt Basel, Bernoullistraf~e 32, CH-4056 Basel, Switzerland. R6sum6A partir d'une synth~se de r&ultats d'exp6riences de laboratoires, d'analyses statistiques de donn6es de terrain et d'une mod61isation th6orique, il est possible d'&ablir des courbes standard du processus de compaction pour divers types de s6diments de mer profonde, pour lesquels la compaction est en 6quilibre avec la charge. Une version revue et g6n&alis6e de la loi d'Athy permet, en accord avec les r6sultats exp&i-mentaux, de classer les s6diments selon la quantit6 d'eau intersticielle li6e structuralement ~ la surface des particules. Les s6diments analys6s correspondent ~i des syst~mes qui vont du type ~ ~,grains suspendus,, ~t des colloYdes presque parfaits. Les auteurs pr6sentent une discussion d6taill6e des m6thodes et des 6quations n6ssaires ~ l'obtention des param~tres significatifs rant ~ partir des exp6riences de laboratoire qu'~t partir des mesures de porositUdensit6 effectu6es dans les forages. Kpa'l~oe co,~epxanneHpOCMOTp aaHHbIX sm6opaTopm,~x Hccae~oBami~, CTa-THCTW-IecKa~ o6pa6oTKa ~anm, ix H3MepennfI Ha KepHax rI weopeTrmecKoe uo~earIposanrre ynaoTneHrt~ ce~nMeHTa npn ycYtosrLqx paBnOBeCn~t C HarpysKofi pa3pema~oT oxapaKwepn3oBawh THYIbI KpnBt, IX, OI~ChIBalO~rIX IIoBe~erme pa3ar~qrIblX ray6OKOBO~m, IX ce~nM...

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Section: (6)mentioning

confidence: 99%

“…Applying the standard relationship between wet bulk density (es) and porosity for water saturated sediments (e.g., BAYER, 1983),…”

Section: Mathematical Treatment Of Data and Athy's Equationmentioning

confidence: 99%

Section: Mathematical Treatment Of Data and Athy's Equationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Compactional behavior of fine-grained sediments — examples from Deep Sea Drilling Project cores

Bayer

Wetzel

1989

Geol Rundsch

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Anisotropy and Modes of Deposition of Pelitic Mississippi Fan Deposits

Wetzel¹

1986

Initial Reports of the Deep Sea Drilling Project

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The predominant mode of deposition (turbidity current vs. hemipelagic) within entire sequences is related to the general trends in anisotropy, determined by both shrinkage and sonic velocity measurements, of fine-grained sediments cored during DSDP Leg 96 in the Mississippi Fan. Anisotropy increases in fining-upward sequences with decreasing abundances of density-current deposits upsection. In coarsening-upward sequences with increasing abundance of density-current deposits upsection, the inverse trend is found. Increasing compaction generally leads to increasing anisotropy, but the primary differences between turbidites and hemipelagic sediments are not significantly affected.

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Footprints of palaeocurrents in sedimentary sequences of the Cenozoic across the Maurice Ewing Bank

Najjarifarizhendi¹,

Uenzelmann-Neben²

2021

Preprint

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<p>High-resolution 2D multichannel seismic data collected by the Alfred Wegener Institute in 2019 across the Maurice Ewing Bank, the high-altitude easternmost section of the Falkland Plateau in the SW South Atlantic, are integrated with information from DSDP Leg 36, Sites 327, 329, and 330 and Leg 71 Site 511. A seismostratigraphic model is defined, including five units ranging in age from the Middle Jurassic to Quaternary and are interpreted with respect to the evolutional history of the oceanic circulations in the South Atlantic sector of the Southern Ocean. Sedimentary sequences of late Cretaceous and early Paleogene include little and restricted evidence of current activity, attributable to shallow-intermediate depth connections between the developing South Atlantic and Southern Ocean. In contrast, sedimentary sequences of the late Eocene/Oligocene and Neogene reveal a strong history of current-related erosion and deposition. These features exhibit specific water-depth expressions attesting to the long-term activity of different water masses, in stable circulation patterns as those of the present day. We thus suggest that proto-Upper and -Lower Circumpolar Deep Waters have been shaping the bank since the Oligocene. This implies that this bathymetric high has been acting as a barrier for the deep and bottom water masses flowing within the Antarctic Circumpolar Current since its establishment about the Eocene-Oligocene boundary.</p>

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The Influence of Sediment Composition on Physical Properties Interrelationships

Cited by 3 publications

References 12 publications

Compactional behavior of fine-grained sediments — examples from Deep Sea Drilling Project cores

Compactional behavior of fine-grained sediments — examples from Deep Sea Drilling Project cores

Anisotropy and Modes of Deposition of Pelitic Mississippi Fan Deposits

Footprints of palaeocurrents in sedimentary sequences of the Cenozoic across the Maurice Ewing Bank

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