Results 31 to 40 of about 797 (113)
Echo character mapping and depositional processes on the western Svalbard continental margin
Polar ResearchAn echo character mapping study of the western Svalbard continental margin, based on ca. 3980 km of archived sub-bottom profile data, is presented. Four distinct echo character types are recognized.
Niamh I. Doherty, John A. Howe
doaj +1 more source
Changes in macroinvertebrate community structure provide evidence of neutral mine drainage impacts [PDF]
, 2013 Contamination of aquatic environments as a consequence of metal mining is an international issue. Most historic studies have considered the impact of acid mine drainage (pH < 6) on instream communities and comparatively little attention has been given ...
Armitage +65 more
core +1 more source
Gramscatho-Mylor facies relationships; Hayle, south Cornwall [PDF]
, 2013 The Gramscatho Group and the Mylor Slate Formation are the two main lithostratigraphic groups that outcrop in south Cornwall. Their mutual relationship has been disputed for some time because of poor palaeontological control and the effects of polyphase ...
Shail, RK
core
Pitfalls and limitations in seismic attribute interpretation of tectonic features [PDF]
, 2015 Seismic attributes are routinely used to accelerate and quantify the interpretation of tectonic features in 3D seismic data. Coherence (or variance) cubes delineate the edges of megablocks and faulted strata, curvature delineates folds and flexures ...
Alves, Tiago Marcos, Marfurt, Kurt J.
core +2 more sources
Facies analysis provides new insights into event bed deposition in a hadal trench environment
Sedimentology, Volume 73, Issue 2, Page 441-477, February 2026.ABSTRACT Hadal trenches preserve exceptional sedimentary archives of past geological events, yet their depositional processes remain poorly constrained. The Japan Trench captures complex earthquake‐triggered event beds that record repeated sediment‐gravity flows that deliver terrigenous and biogenic material into the trench, informing palaeoseismic ...
Mishelle Muthre +6 more
wiley +1 more source
A Possible Tsunamigenic Near‐Trench Strike‐Slip Fault, Offshore North Ecuador–South Colombia
Journal of Geophysical Research: Solid Earth, Volume 130, Issue 12, December 2025.Abstract Seismic reflection and bathymetry collected along the Ecuador–Colombia obliquely convergent margin allow the first characterization of the NNE‐trending, near‐trench strike‐slip Ancon Fault in the possible source region of the 1906‐Mw8.6–8.8 and 1979‐Mw8.2 earthquakes, which produced devastating tsunamis.
J.‐Y. Collot +8 more
wiley +1 more source
Sedimentology, Volume 72, Issue 7, Page 2323-2360, December 2025.ABSTRACT Despite high convergence velocity, the southern Ryukyu subduction has relatively low and sparse instrumental seismicity, in contrast with the Yaeyama Islands, hit by huge tsunamis over the last few thousand years. This study explores the potential of deep marine sediments to record past large earthquakes and tsunamis.
Nathalie Babonneau +52 more
wiley +1 more source
An approach for characterising the weathering behaviour of Flysch slopes applied to the carbonatic Flysch of Alicante (Spain) [PDF]
, 2014 Various studies indicate that most of the slope instabilities affecting Flysch heterogeneous rock masses are related to differential weathering of the lithologies that make up the slope. Therefore, the weathering characteristics of the intact rock are of
Cano, Miguel, Tomás, Roberto
core +2 more sources
Flood‐Driven Turbidite Deposition in a Highstand‐Detached Submarine Canyon
Geophysical Research Letters, Volume 52, Issue 21, 16 November 2025.Abstract Turbidites on active margins represent key archives of great earthquakes, yet turbidity currents triggered by non‐seismic events complicate paleoearthquake records and influence geochemical budgets. Sediment cores collected from highstand‐detached Astoria Canyon address whether non‐seismic turbidity currents are preserved in canyon ...
Evan Lahr +4 more
wiley +1 more source