Results 21 to 30 of about 16,283 (208)

Great earthquakes along the Western United States continental margin: implications for hazards, stratigraphy and turbidite lithology [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2012
We summarize the importance of great earthquakes (<i>M</i><sub>w</sub> &gtrsim; 8) for hazards, stratigraphy of basin floors, and turbidite lithology along the active tectonic continental margins of the Cascadia subduction ...
C. H. Nelson   +3 more
doaj   +1 more source

Distinguishing between Deep-Water Sediment Facies: Turbidites, Contourites and Hemipelagites

open access: yesGeosciences, 2020
The distinction between turbidites, contourites and hemipelagites in modern and ancient deep-water systems has long been a matter of controversy. This is partly because the processes themselves show a degree of overlap as part of a continuum, so that the
Dorrik Stow, Zeinab Smillie
doaj   +1 more source

Stratigraphy of the central parts of the Palaeoproterozoic Tampere Schist Belt, southern Finland: review and revision [PDF]

open access: yesBulletin of the Geological Society of Finland, 1998
The arc-type Palaeoproterozoic volcanic-sedimentary Tampere Schist Belt (TSB), close to the centre of the Svecofennian Orogen, comprises an E-W-striking major synform in its central parts.
Y. Kähkönen
doaj   +1 more source

Linear-stability analysis of plane beds under flows with suspended loads [PDF]

open access: yesEarth Surface Dynamics, 2023
Plane beds develop under flows in fluvial and marine environments; they are recorded as parallel lamination in sandstone beds, such as those found in turbidites.
K. Ohata, H. Naruse, N. Izumi
doaj   +1 more source

Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan

open access: yesKuwait Journal of Science, 2021
Depositional environments, provenance and tectonic settings of Ispikan group exposed in south west Makran, were revealed by lithofacies, petrography and geochemistry studies.
Muhammad Ahmed Farooqui   +4 more
doaj   +1 more source

Selective organic matter preservation in "burn-down" turbidites on the Madeira Abyssal Plain [PDF]

open access: yes, 2003
Oxidized intervals of five organic-rich Madeira Abyssal Plain (MAP) turbidites deposited during the Miocene, Pliocene, and Pleistocene all displayed comparable major loss of total organic carbon (TOC) (84 ± 3.1%) accompanied by a negative isotopic (δ13C)
Benner   +49 more
core   +2 more sources

Defining Petrophysical Units of the Palmer Deep Sites from Leg 178 [PDF]

open access: yes, 2002
Palmer Deep, on the inner continental shelf southwest of Anvers Island off the Antarctic Peninsula, is a glacially overdeepened basin consisting of three subbasins. Two sites, 1098 and 1099, were drilled in the Palmer Deep area.
Evans, A.J.   +2 more
core   +1 more source

Deformation in Moffat Shale detachment zones in the western part of the Scottish Southern Uplands [PDF]

open access: yes, 2004
A study of the décollement zones in the Moffat Shale Group in the Ordovician Northern Belt of the Southern Uplands of Scotland reveals a progressive sequence of deformation and increased channelization of fluid flow.
Needham, D.T.
core   +1 more source

The Carboniferous Southern Pennine Basin, UK [PDF]

open access: yes, 2014
Many of the Carboniferous outcrops located in the Derbyshire region of the Peak District National Park, UK, have provided sites for both significant and pioneering research relating to the clastic sedimentology of marine palaeoenvironments, particularly ...
Mountney, NP, Pringle, JK, Southern, SJ
core   +4 more sources

A Review of Event Deposits in Lake Sediments

open access: yesQuaternary, 2022
Event deposits in lake sediments provide invaluable chronicles of geodynamic and climatic natural hazards on multi-millennial timescales. Sediment archives are particularly useful for reconstructing high-impact, low-frequency events, which are rarely ...
Pierre Sabatier   +6 more
doaj   +1 more source

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