Urals Yield Secret of a Lasting Bond

Science  11 Oct 1996:
Vol. 274, Issue 5285, pp. 181
DOI: 10.1126/science.274.5285.181


By probing the rock beneath the Ural Mountains with artificial seismic waves, an international team of researchers has drawn a portrait of the mountains' deep underpinnings. As they report in this issue (beginning on (220)), their deep cross section reveals why the Urals, which mark the 250-million-year-old suture between Europe and Asia, never rifted apart again. Unlike most continental bonds, the Urals are built on strong, thick crust