Pitchblende in an underground vein proved rich enough to trigger fission.

The slam evening proved rich with images of revels and regrets.

Yet it may all prove a little rich for the broader crossover audience the CD appears to be seeking.

Her career there proved rich and varied.

This cool tone, despite an occasional lapse into the merely breezy, proves rich and engaging.

The file on her that the system assembled for him proved surprisingly rich.

The mine proved so rich in silver ore that its production beat that of all the other mines.

As the site was never reoccupied, archaeological finds (particularly inscriptions and sculpture) proved rich.

He said that was true enough, but they would hang to it until it did prove rich.

So large a city as this would prove too rich a ground to be forsaken quickly.