avulse

“We realized this spectacular archive recorded a major event that reorganized the delta’s water pathways,” Chamberlain says, adding that the delta’s river channel probably hasn’t avulsed since then.

For example, the vast Pantanal, in the heart of South America, is kept rich and muddy by the avulsing Taquari River.

“His left hand was completely avulsed with part of the bones attached to the body while the hand skin and muscle got detached,” Dr. Abhishek Ghosha, a micro-vascular surgeon who treated the boy, said.

In the last seven thousand years, the river has avulsed six times, and each time it has set about laying down a new bulge of land.

The X-ray showed that a bit of bone had avulsed from his pelvis.