Sentence examples for the deep crust from inspiring English sources

In granulite-gneiss belts the roots of many Andean-type active continental margins are exposed, the rocks being highly deformed and recrystallized during metamorphism in the deep crust.

Few mineral deposits occur in granulite-gneiss belts, in common with the deep crust of younger orogenic belts, which are relatively barren of ore concentrations.

The friction involved in this "subduction" will produce both earthquakes, such as the tsunami-generating ones off Japan in 2011 and off Aceh in 2004, and volcanoes, the fires of which are fed by the melting of the deep crust.

Prof Sherwood Lollar said the hunt for life in the deep crust was now a priority.

It means that great swathes of the deep crust could be harbouring life.

Hi-net is designed for the detection of small earthquakes and very weak signals from the deep crust.

In the deeper crust the influence of topographic effects is lost and the depth to the thermal LAB dominates the evolving temperature pattern.

Clear later arrivals propagating through the crusts and the Moho reflection (P m P) shown in Fig. 5(a) could constrain P-wave velocities (V p ) of the deeper crust and the Moho.

A second effect is caused by the upper crystalline crust, which is characterized by a much higher radiogenic heat production than the sediments or the deeper crust and the mantle.

They interpreted that these magnetic anomalies reflected magnetization of the deeper crust along the arcs and that the similarity of the three rows of anomalies was due to their separation from a single paleo Izu Ogasawara island arc.

These surface low velocities are the corollary of an overall more pronounced velocity contrast with the deeper crust velocity that hence foster the formation of local Love waves on valley edges.