Results 221 to 230 of about 3,877 (262)

From rifting to oceanic spreading in the Gulf of Aden: a synthesis

Arabian Journal of Geosciences, 2011
We present here a synthesis of the evolution of rifted continental margin systems in the Gulf of Aden. These margins are volcanic to the west of the Gulf of Aden, where they are influenced by the Afar hotspot, and non-volcanic east of longitude 46° E.
Leroy, Sylvie, Razin, Philippe, Autin, Julia, Bache, François, d'Acremont, Elia, Watremez, Louise, Robinet, Jérémy, Baurion, Céline, Denèle, Yoann, Bellahsen, Nicolas, Lucazeau, Francis, Rolandone, Frédérique, Rouzo, Stéphane, Serra-Kiel, Josep, Robin, Cécile, Guillocheau, François, Tiberi, Christel, Basuyau, Clémence, Beslier, Marie-Odile, Ebinger, Cynthia, Stuart, Graham, Ahmed, Abdulhakim, Khanbari, Khaled, Al-Ganad, Ismael, de Clarens, Philippe, Unternehr, Patrick, Al Toubi, Khalfan, Al-Lazki, Ali   +27 more
openaire   +3 more sources

Ocean Warming and Spread of Pathogenic Vibrios in the Aquatic Environment

Microbial Ecology, 2013
Vibrios are among the most common bacteria that inhabit surface waters throughout the world and are responsible for a number of severe infections both in humans and animals. Several reports recently showed that human Vibrio illnesses are increasing worldwide including fatal acute diarrheal diseases, such as cholera, gastroenteritis, wound infections ...
VEZZULLI, LUIGI, R. R. Colwell, PRUZZO, CARLA   +2 more
openaire   +2 more sources

Analytic beam spread function for ocean optics applications

Applied Optics, 2002
A discrete ordinates code is developed with which to compute the beam spread function (BSF) without invoking the small-angle scattering approximation or performing Monte Carlo calculations. The computed BSF is used to predict the response of a detector versus its distance to the origin of a highly collimated beam, its angle with respect to the beam ...
Richard, Sanchez, Norman J, McCormick
openaire   +2 more sources

Dating the Growth of Oceanic Crust at a Slow-Spreading Ridge

Science, 2005
Nineteen uranium-lead zircon ages of lower crustal gabbros from Atlantis Bank, Southwest Indian Ridge, constrain the growth and construction of oceanic crust at this slow-spreading midocean ridge. Approximately 75% of the gabbros accreted within error of the predicted seafloor magnetic age, whereas ∼25% are significantly older.
Joshua J, Schwartz, Barbara E, John, Michael J, Cheadle, Elena A, Miranda, Craig B, Grimes, Joseph L, Wooden, Henry J B, Dick   +6 more
openaire   +2 more sources

Andean Orogeny and Ocean Floor Spreading

Nature, 1971
The periodicity and eastward migration of the Andean orogeny is explained in terms of periodic loss of marginal continental crust by crustal subduction.
openaire   +1 more source

The Indian Ocean: Aseismic Ridges, Spreading Centers, and Oceanic Basins

1982
The Indian Ocean has often been considered as the most complex of the world’s major oceans. In fact, it has been the last of the three oceans to be studied, and now, in spite of its real complexity, the Indian Ocean appears to be as well understood as the other oceans.
openaire   +1 more source

Against the hypothesis of ocean-floor spreading

Tectonophysics, 1970
Abstract The presently fashionable hypothesis of ocean-floor spreading is examined and conclusion is drawn that this hypothesis is unacceptable.
openaire   +1 more source

Simple empirical model of the oceanic point spread function

Applied Optics, 1991
The point spread function (PSF) is an important property for predicting beam propagation and imaging system performance. Measurements of the PSF in three different locations (Pacific Ocean, Tongue of the Ocean, and Sargasso Sea) are presented. These measurements are used to validate extensive laboratory measurements [S. Q. Duntley, "Underwater Lighting
openaire   +2 more sources

Tholeiitic basalts from spreading ocean ridges the growth of the oceanic crust

Naturwissenschaften, 1981
The oceanic earth's crust has mainly grown from magmatic productivity in spreading meridional ridges during the past 100–200 million years. The specific rock formed from these magmas is the ocean ridge tholeiitic basalt (ORT). From both melting experiments on peridotites and relative abundances of incompatible elements (La, Ce, Th, Rb etc.) the ...
openaire   +1 more source

Binary mixing in ocean-ridge spreading segments

Nature, 1981
Compositional mixing trends in eruptive mid-ocean ridge basalt (MORB) seem to be confined to short time–space intervals, possibly corresponding to single fracture-zone-bounded segments of a spreading ridge axis. Binary mixing is discernible from the variation in Ta, Hf, Rb, Sr and rare earth elements (REEs), and may be interpreted as reflecting dual ...
openaire   +1 more source