Results 151 to 160 of about 424 (186)

Atoll islets reshaping processes induced by extreme cyclonic waves and calm weather. Evidence from two centuries of megablocks emergences and coral rubble displacements in Anaa, Rangiroa and Tikehau atolls (western Tuamotu archipelago - French Polynesia)

Marine Geology, 2023
International audienceUnderstanding the islets morphodynamics of polynesian atolls requires a study of their evolution over several decades. These low-lying islands are exposed to highly variable ocean/weather conditions, especially high energy events ...
Remy Canavesio, Edwige Pons-Branchu
exaly   +2 more sources

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Megablocks and Rafts

Developments in Quaternary Sciences, 2007
exaly   +2 more sources

Radiogeochronology of Suture Zone of the Dniester-Bug and Ros'-Tikych Megablocks. Article 2. Geochronology of Rock Complexes of the Dniester-Bug Megablock

Mineralogic Journal (Ukraine), 2016
T Dovbush
exaly   +3 more sources

Layered MegaBlocks in the central uplifts of impact craters

Icarus, 2012
Abstract A database of bedrock exposed in crater central uplifts has been compiled from multiple orbital datasets. In this study we focus on uplifts which show decameter-scale layers within the exposed megablocks derived from the bedrock of the preexisting target.
Shane Byrne, Lujendra Ojha, L L Tornabène   +2 more
exaly   +2 more sources

Megablocks and the Stratigraphic Record of Continental Margins: How Large an Event Do They Materialise?

Springer Geology, 2014
Three-dimensional seismic data from continental slopes commonly show submarine landslide deposits that contain large-scale megablocks, suggesting sudden catastrophic instability events.
Tiago M. Alves
exaly   +2 more sources

Rate-distortion improvement of directional wavelets by megablocking

2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2011
The inefficiency of separable wavelets in representing smooth edges has motivated the researchers to pursue new two dimensional transformations. One of the successful transformations in image compression is the directional wavelets. Although researchers have empirically shown that the directional wavelets outperform the separable wavelets in ...
Arian Maleki, Boshra Rajaei, Hamid Reza Pourreza   +2 more
openaire   +2 more sources

AGE OF THE HANNIVKA GRANITE (MIDDLE-DNIEPER MEGABLOCK OF THE UKRAINIAN SHIELD)

Mineralogical Journal, 2022
The Middle-Dnieper megablock, which is a fragment of the craton, differs from other cratons found on Earth. This is because of the large variety of granitoids (Tokiv, Mokro-Moskowka, and Demuryne complexes) in the former that were formed after the Mesoarchean TTG.
G.V. Artemenko, L.V. Shumlyanskyy, I.A. Shvaika, V.K. Butyrin   +3 more
openaire   +1 more source

Authors’ reply: megablocks are nice but not really necessary

Journal of Clinical Pathology
Murali Varma
exaly   +3 more sources

STRUCTURAL CONTROLS ON KIMBERLITE FORMATION IN THE ANABAR MEGABLOCK

International Geology Review, 1986
(1986). STRUCTURAL CONTROLS ON KIMBERLITE FORMATION IN THE ANABAR MEGABLOCK. International Geology Review: Vol. 28, No. 11, pp. 1336-1345.
A. A. Dukhovskiy, N. A. Artamonova, G. M. Belyayev, K. N. Nikishov   +3 more
openaire   +1 more source

A preliminary geoelectrical model of the Karelian megablock of the Baltic shield

Physics of the Earth and Planetary Interiors, 1983
Abstract Three groups of electromagnetic data have been considered in order to construct a preliminary geoelectrical depth model of the old basement of the Baltic shield: (i) audiomagnetotelluric data in the period range 1 3700 − 1 8 s; (ii) magnetotelluric data in the period range 25–1000 s; and (iii) global magnetovariation-sounding ...
P. Kaikkonen, L.L. Vanyan, S.E. Hjelt, A.P. Shilovsky, K. Pajunpää, P.P. Shilovsky   +5 more
openaire   +1 more source