Sentences with phrase «with subducting»

Not exact matches

One by the subducting pacific plate and the other by India colliding with the Asian plate at measuarable rates.

The complex regional tectonic activity includes movement of three plates: the Caribbean plate that is subducting or being forced beneath Colombia in the north; the Panama block or Panama plate that is colliding with Colombia in the central part of the country; and the Nazca plate, which is an oceanic plate that is subducting beneath the southern part of Colombia from the Pacific.

«Tearing and breakoff of the subducted slabs as the result of a collision of the Panama arc - indenter with northwestern South America,» appears in the June 2013 issue of BSSA.

They looked to compare the density of subducting slabs at that time with the density of the surrounding mantle, the difference of which would determine how far slabs would have sunk.

The shallow tremors had similar migration properties to deep low - frequency tremors that occur at the deep subducting plate interface, and that they also occurred synchronized in time and space with shallow very - low - frequency tremors that also thought to be triggered by slow slip events.

That's because the rising magma that produced the lavas probably mixed with upper mantle rocks, which have been contaminated with isotopically heavy surface water that got dragged down by subducting slabs of tectonic plates.

In contrast, off the coast of central Oregon, the thick layer of subducting sediments are less compact, with water in the pore space between the grains.

As a result, mantle plumes entrain a variable combination of relatively young oceanic crust directly from the subducting slab, older oceanic crust that has been stirred with ancient more primitive material and background, depleted mantle.

«Some material might be associated with former basaltic oceanic crust that got subducted deeply.

«For seismic structure, I am focused on delineating the geometry of the Cocos plate, and on characterizing the mantle transition zone and how the subducted plate interacts with it,» she said.

Now a team of researchers, led by Teh - Ru Alex Song of the Carnegie Institution's Department of Terrestrial Magnetism, has found that an anomalous layer at the top of a subducting plate coincides with the locations of slow earthquakes and non-volcanic tremors.

The most threatening earthquakes in Cascadia are those associated with the Cascadia subduction zone, which is the tectonic plate boundary between the subducting oceanic Juan de Fuca, Gorda, and Explorer Plates and the over-riding continental North America Plate.

The CO2 tectonic source grew from 60 to 50 Myr BP as India subducted carbonate - rich ocean crust while moving through the present Indian Ocean prior to its collision with Asia about 50 Myr BP [8], causing atmospheric CO2 to reach levels of the order of 1000 ppm at 50 Myr BP [9].

With Venus storing up enough heat so as to finally subduct its entire surface when it got so much heat energy that it couldn't hold it any more.