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Series: GSA Special Papers
Published: 01 September 2016
DOI: 10.1130/2016.2522(02)
... where oscillatory waves striking viscous mud banks are transformed into fluid solitary-like waves that open surface cracks on their trailing limbs and close the cracks on their leading limbs as they pass through the viscous mud. Crinkle cracks preserved in rocks are hypothetically attributed...
Series: SEPM Special Publication
Published: 01 January 2016
DOI: 10.2110/sepmsp.106.06
EISBN: 9781565763432
..., Suriname, and Guyana). Four major lithologic facies (Pre-Holocene silty clay; peat-rich silty clay; sandy mud; silty clay with cheniers) were derived from the Late Holocene sea level rise and influx of sediments emitted from the Amazon River. Since approximately 6000 BP, ~10 to 20% of Amazon-derived...
Series: GSA Special Papers
Published: 01 September 2015
DOI: 10.1130/2015.2515(01)
...-margin depositional environments based on trends in bathymetry and lake-floor sediment particle size. Sedimentary geochemical analyses indicate that organic carbon–rich muds accumulate in profundal environments during the extant lake-level highstand. The lateral variability of organic facies is minimal...
Series: GCSSEPM
Published: 01 January 2014
DOI: 10.5724/gcs.14.33.0350
EISBN: 978-0-9836097-9-0
... play definition and prospectivity. Stratal packages #8 and 9, developed only in the southern part of the study area, seem mud-dominated from seismic character. These packages are interpreted as late LSTs and transgressive in origin, the focus of much syn-depositional slumping...
FIGURES | View All (12)
Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0541
EISBN: 978-0-9836097-8-0
.... These deposits manifest themselves as a series of compensationally stacked channel-levee, lobe, and channel complex sets within a progradational mud-dominated slope. The deeper seated Raven-Taurus anticline has grown episodically throughout Pliocene times, and the northwesterly draping turbidite channels...
Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0701
EISBN: 978-0-9836097-8-0
... paleoenvironmental changes. Finally, the western Black Sea basin constitutes an asymmetric subsident basin bordered by a northern passive margin containing confined mid-size, mud-rich turbiditic systems, and a tectonically active southern turbiditic ramp margin. The nature and rate...
Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0761
EISBN: 978-0-9836097-8-0
... Abstract Organo-clay fabric and physico-chemistry of marine mud play important roles in early sediment diagenesis including the development of mass physical properties, consolidation behavior, and sequestration of organic matter (OM) in sediments over geologic time. Transmission electron...
Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0779
EISBN: 978-0-9836097-8-0
... Santonian-Maastrichtian. Each system is comprised of an updip delta top linked via a shale detachment to a down-dip delta toe or deep-water fold-thrust belt. These delta lobes are separated by a transgressive sequence of Turonian-Santonian age that deposited a thick marine mud, up to 2000 m in places. Like...
FIGURES | View All (13)
Series: GSA Special Papers
Published: 01 May 2009
DOI: 10.1130/2009.2450(03)
... in lake level resulted in erosion of shallow-water deposits, which were redeposited into the deeper lake. These sediment-focusing episodes are recognized by mixing of different mineralogies and crystal habits and mixing of a range of diatom fauna into poorly sorted mud layers. Lake-level drops are also...
Journal Article
Journal: Geology
Published: 01 December 2000
Geology (2000) 28 (12): 1095-1098.
...Panagiotis Michalopoulos; Robert C. Aller; Richard J. Reeder Abstract In coastal muds downdrift from the Amazon River mouth, marine diatom frustules are rapidly converted to various forms of authigenic aluminosilicate phases during burial. The dominant neoformed crystalline phases have...
FIGURES | View All (4)
Journal Article
Published: 01 September 2000
Journal of Sedimentary Research (2000) 70 (5): 1026-1035.
... to the Geology Department at the University of Delaware, where they were cut open, photographed, and described. The composition of the sediments described in the study area is a mixture of organic matter, mud, sand, and gravel. Sediments were classified following the method of Pizzuto and Rogers (1992...
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Journal Article
Published: 01 September 2000
Journal of Sedimentary Research (2000) 70 (5): 1250-1253.
FIGURES
Journal Article
Published: 01 May 2000
Journal of the Geological Society (2000) 157 (3): 643-653.
... discharges was linked to the Dansgaard–Oeschger cycle. The Barra Fan sedimentation record responded strongly to the cooling events with increased terrestrial input in the form of fine‐grained material. The extent of sediment input is highest during the glacial period. Input of glacimarine muds and clays...
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Journal Article
Published: 01 May 2000
Journal of Sedimentary Research (2000) 70 (3): 491-503.
...) Inversely graded middle part of Bed A conglomerate with large protruding boulders. The conglomerate is underclain by a normally graded sandstone layer. D) A mound-like gravel pod at the left margin of Bed A. The intersitices of the gravel pod are filled by hemipelagic mud that is identical...
FIGURES | View All (10)
Journal Article
Journal: Clay Minerals
Published: 01 March 2000
Clay Minerals (2000) 35 (1): 5-12.
...I. SPARK; I. PATEY; B. DUNCAN; A. HAMILTON; C. DEVINE; C. McGOVERN-TRAA Abstract Anaerobic bacteria were identified in live drilling muds and cores from nine different North Sea and Irish Basin oilfields, varying in depth from 3500 to 15000 ft, and at temperatures up to 150°C. The anaerobic...
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Journal Article
Published: 01 January 2000
Journal of Sedimentary Research (2000) 70 (1): 140-150.
...Peter F. Ballance; Harry A. Follas; Paul C. Froggatt; Eugene V. Mikhailic Abstract Bimodal volcanogenic sediments dredged from depths greater than 7 km on the Kermadec Trench inner slope at latitude 31°S comprise diamictons of mudstone, basalt, and dolerite clasts enclosed in noncalcareous mud...
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Journal Article
Published: 01 September 1999
Journal of Sedimentary Research (1999) 69 (5): 1011-1026.
...-July 1995, deposition of sediment varied from highly non-steady-state at ice-proximal stations to steady-state at a mid-fjord station. Deposition rates systematically decreased down fjord from >0.3 cm d (super -1) to <0.02 cm d (super -1) . Laminated muds were forming daily in Icy Bay at upper...
Journal Article
Published: 01 September 1999
Journal of Sedimentary Research (1999) 69 (5): 1041-1049.
... of individual burrows often display an array of complex, convoluted features, apparently due to mixing of soft to soupy black and gray muds. Assuming that the burrowers were elongate worm-like organisms, experiments were made to study the relationships between the general morphology of burrowers (simple worms...
Journal Article
Journal: Geology
Published: 01 January 1999
Geology (1999) 27 (1): 3-6.
...Tim K. Lowenstein; Jianren Li; Christopher Brown; Sheila M. Roberts; Teh-Lung Ku; Shangde Luo; Wenbo Yang Abstract A 186-m-long core (DV93-1) from Death Valley, California, composed of interbedded salts and muds contains a 200 k.y. record of closed-basin environments and paleoclimates, interpreted...
Journal Article
Journal: Geology
Published: 01 January 1999
Geology (1999) 27 (1): 87-90.
...Achim Kopf Abstract Drilling results from two mud volcanoes on the Mediterranean Ridge accretionary complex as well as extensive geophysical surveys have provided new insights about the geometry of these domes at depth. Mud extrusion is related to buoyancy and plate convergence between Africa...