Results 41 to 50 of about 797 (113)

Near Steady Late Pleistocene Tropical Denudation Rates in SW Madagascar

Journal of Geophysical Research: Earth Surface, Volume 130, Issue 7, July 2025.
Abstract Denudation is a key parameter controlling the evolution of the Earth's surface, the production of soils, the stability of relief, or the long‐term evolution of climate. Climate fluctuations conversely have a strong impact on denudation, but these complex feedback mechanisms are still under‐constrained.
Etienne Large, Julien Charreau, Pierre‐Henri Blard, Germain Bayon, Eduardo Garzanti, Bernard Dennielou, Gwenaël Jouet, Natalia Vazquez Riveiros, Jacques Giraudeau, Laurie Reisberg, Aimeryc Shcumacher, Alfred Andriamamonjy, Amos Fety Michel Rakotondrazafy   +12 more
wiley   +1 more source

Variations in Event‐Bed Thickness‐Frequency Distributions Near Volcanic Islands: Indicators of Varied Geological Processes

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 6, June 2025.
Abstract A variety of subaerial and submarine events, including mass‐wasting and volcanism, can generate sediment gravity flows and fallout deposits that are preserved in deep‐water stratigraphic records. This study examines whether event beds with differing depositional and transport histories exhibit distinct thickness‐frequency distributions ...
Yu‐Chun Chang, José C. F. Kling, Julie C. Schindlbeck‐Belo, Neil C. Mitchell, Kan‐Hsi Hsiung, Toshiya Kanamatsu   +5 more
wiley   +1 more source

How Did Westward Volcaniclastic Deposits Accumulate in the Deep Sea Following the January 2022 Eruption of Hunga Volcano?

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 4, April 2025.
Abstract Most volcanic eruptions on Earth take place below the ocean surface and remain largely unobserved. Reconstruction of past submerged eruptions has thus primarily been based on the study of seafloor deposits. Rarely before the 15 January 2022 eruption of Hunga volcano (Kingdom of Tonga) have we been able to categorically link deep‐sea deposits ...
Marcus Chaknova, Thomas Giachetti, Joali Paredes‐Mariño, Adam Soule, Alexa R. Van Eaton, Roxanne Beinart, Martin Crundwell, Shane J. Cronin, Martin Jutzeler, Kristen E. Fauria, Michael A. Clare, Isobel A. Yeo, Shawn Arellano, Liam Kelly, Sally Watson, Rebecca Carey, Taaniela Kula, Craig M. Young   +17 more
wiley   +1 more source

Enigmatic Deep‐Water Seafloor Depressions East of Tortue Island, Northern Haiti Margin

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 4, April 2025.
Abstract A widespread area of seafloor depressions ‐ circular, arcuate to elongated‐shaped ‐ has been found along the Northern Haitian coast, at water depths between 600 and 2,000 m. Characterized by wavelengths spanning several hundred meters and heights of tens of meters, these depressions are linked with a series of narrow ridges boasting varied ...
A. Oliveira de Sá, S. Lafuerza, S. Leroy, E. d’Acremont, E. Ducassou, R. Deschamps, K. Fauquembergue, S. Zaragosi, J. L. Granja‐Bruña, R. Momplaisir, D. Boisson   +10 more
wiley   +1 more source

Sourcing of Miocene accretionary lapilli on ‘Eua, Tonga; atypical dispersal distances and tectonic implications for the central Tonga Ridge [PDF]

, 2016
Volcaniclastics hosting accretionary lapilli on the Tonga Ridge were sourced from the remnant Lau Ridge, prior to Lau back-arc basin opening. For the ‘Eua occurrences, an atypical dispersal distance of not less than 70 km is estimated, partly arising ...
Beard, Andy, Cunningham, John
core   +1 more source

Coeval Transverse and Axial Sediment Delivery to the Northern Hikurangi Trough During the Late Quaternary

Basin Research, Volume 37, Issue 1, January–February 2025.
Sediment delivery to the northern Hikurangi Trough has been driven by transverse gravity flows funnelled through the Māhia Canyon, alongside contributions from the overspill of the axial Hikurangi Channel. Large‐scale sediment waves and scours were formed by flows from the Māhia Canyon during MIS2 in response to substantially higher sediment fluxes ...
Anthony E. Shorrock, Lorna J. Strachan, Philip M. Barnes, Gregory F. Moore, Adam D. McArthur, Davide Gamboa, Adam D. Woodhouse, Rebecca E. Bell, Sam R. Davidson, Helen C. Bostock   +9 more
wiley   +1 more source

Tectonics of the Dalrymple Trough and uplift of the Murray Ridge (NW Indian Ocean) [PDF]

, 2014
International audienceThe Dalrymple Trough is a 150-km-long, 30-km-wide basin located at the northern termination of the Owen Fracture Zone (OFZ), which is the present-day active India-Arabia plate boundary.
CHAMOT-ROOKE, Nicolas, DELESCLUSE, Matthias, FOURNIER, Marc, HUCHON, Philippe, LALLEMANT, Siegfried, MOUCHOT, Nicolas, RODRIGUEZ, Mathieu, ROOKE, Nicolas Chamot, ZARAGOSI, Sebastien   +8 more
core   +4 more sources

Using pollen in turbidites for vegetation reconstructions

Journal of Quaternary Science, Volume 39, Issue 7, Page 1053-1063, October 2024.
ABSTRACT Turbidites, deposited by sub‐aqueous gravity flows, are common in sedimentary archives worldwide and present a unique challenge and opportunity when reconstructing past vegetation through pollen analysis. When sampling pollen from a sediment core for palaeovegetation records, it is common practice to target background sediments (i.e.
Laura S. McDonald, Lorna J. Strachan, Katherine Holt, Adam D. McArthur, Philip M. Barnes, Katherine L. Maier, Alan R. Orpin, Mark Horrocks, Aratrika Ganguly, Jenni L. Hopkins, Helen C. Bostock   +10 more
wiley   +1 more source

Processing and interpretation of multichannel seismic reflection data ( SWIN-06 cruise): from the horsehoe to seine abyssal plains (Gulf of Cadiz) [PDF]

, 2007
Martech 2007 International Workshop on Marine Technology, 15-16 november 2007, Vilanova i la Geltrú, Spain.-- 2 pages, 1 figureThe authors acknowledge the support of the SWIM project (REN2002-11234- E-MAR), National project EVENT (CGL 2006-12861-C02-02 ...
Bartolomé, Rafael, Dañobeitia, Juan José, Gràcia, Eulàlia, Martínez-Loriente, S., Sallarès, Valentí, SWIM-06 cruise party   +5 more
core  

The role of the Messinian evaporites in the identification of potential gas storage sites: A review of the Adriatic foreland basin system (Italy)

Basin Research, Volume 36, Issue 5, September–October 2024.
A thick and continuous Messinian unit of primary sulfate evaporites recognized in the Adriatic foredeep represent an effective seal for potential gas storage sites that can be located in the underlying late Miocene carbonate or siliciclastic porous units.
V. Manzi, D. Bigi, S. Lugli, F. Balsamo, N. Chizzini, A. Lucca, F. Storti   +6 more
wiley   +1 more source